2430 lines
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2430 lines
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Ansible KVM Router Lab Part 5
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Backup /etc/sysctl.conf
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#enable-ipv4-forwarding" class="md-nav__link">
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Enable ipv4 forwarding
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#start-ipv4-forwarding" class="md-nav__link">
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Start ipv4 forwarding
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#configure-iptables-workaround" class="md-nav__link">
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Configure iptables workaround
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#apply-iptables-workaround" class="md-nav__link">
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Apply iptables workaround
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#configure-iptables" class="md-nav__link">
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Configure iptables
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#apply-iptables-firewall" class="md-nav__link">
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Apply iptables firewall
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</a>
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</li>
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<li class="md-nav__item">
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<a href="#traceroute-test" class="md-nav__link">
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traceroute test
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="#to-be-continued" class="md-nav__link">
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To Be Continued
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="../ansible-kvm-router-lab-part-4/" class="md-nav__link">
|
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Ansible KVM Router Lab Part 4
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../ansible-kvm-router-lab-part-3/" class="md-nav__link">
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Ansible KVM Router Lab Part 3
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../ansible-kvm-router-lab-part-2/" class="md-nav__link">
|
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Ansible KVM Router Lab Part 2
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../ansible-kvm-router-lab-part-1/" class="md-nav__link">
|
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Ansible KVM Router Lab Part 1
|
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../add-kvm-network-with-virsh/" class="md-nav__link">
|
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Add KVM Network With Virsh
|
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</a>
|
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</li>
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<li class="md-nav__item">
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<a href="../kvm-on-arch/" class="md-nav__link">
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KVM On Arch
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../raspberrypi-lte-failover-router-with-dns-caching/" class="md-nav__link">
|
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RaspberryPi LTE-Failover Router With DNS Caching
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../debian-11-nspawn-flutter-integration-test-server/" class="md-nav__link">
|
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Flutter Integration Test Server in Debian 11 Nspawn Container
|
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</a>
|
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</li>
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<li class="md-nav__item">
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<a href="../debian-11-ttrss/" class="md-nav__link">
|
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Debian 11 TT-RSS
|
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</a>
|
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</li>
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<li class="md-nav__item">
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<a href="../trents-favorite-podcasts/" class="md-nav__link">
|
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Trent's Favorite Podcasts
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../test-qr-svg-django/" class="md-nav__link">
|
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Test QR SVG Django
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../prosody-photo-uploads/" class="md-nav__link">
|
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Prosody Photo Uploads
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="../xmpp-apt-notifications/" class="md-nav__link">
|
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XMPP Apt Notification
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../apache-virtual-hosts/" class="md-nav__link">
|
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Apache Virtual Hosts
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../sendxmpp-handler-for-python-logging/" class="md-nav__link">
|
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SENDXMPP Handler for Python Logging
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="../instructions-for-tethering-from-phone/" class="md-nav__link">
|
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Instruction For Tethering From Phone
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="../lmde4-custom-partitions-disk-encryption/" class="md-nav__link">
|
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LMDE4 Custom Partitions for Disk Encryption
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="../linux-move-cursor-with-keyboard/" class="md-nav__link">
|
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Linux Move Cursor With Keyboard
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="../simplified-raspberry-streaming/" class="md-nav__link">
|
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Simplified Raspberry Streaming
|
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</a>
|
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</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="../clear-linux-encrypted-xfs-root/" class="md-nav__link">
|
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Clear Linux Encrypted XFS Root
|
|
</a>
|
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</li>
|
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<li class="md-nav__item">
|
|
<a href="../clear-linux-guest-virt-manager/" class="md-nav__link">
|
|
Clear Linux Guest Virt Manager
|
|
</a>
|
|
</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="../faster-partitioning-with-sgdisk/" class="md-nav__link">
|
|
Faster Partitioning with Sgdisk
|
|
</a>
|
|
</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="../lmde3-xfs-full-disk-encryption/" class="md-nav__link">
|
|
LMDE3 XFS Full Disk Encryption
|
|
</a>
|
|
</li>
|
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<li class="md-nav__item">
|
|
<a href="../rewrite-hugo-themes-report-in-python/" class="md-nav__link">
|
|
Rewrite Hugo Themes Report In Python
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2" type="checkbox" id="__nav_2" >
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<label class="md-nav__link" for="__nav_2">
|
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RSS
|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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<nav class="md-nav" aria-label="RSS" data-md-level="1">
|
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<label class="md-nav__title" for="__nav_2">
|
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<span class="md-nav__icon md-icon"></span>
|
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RSS
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../../rss/" class="md-nav__link">
|
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RSS
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
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<a href="/feed_rss_created.xml" class="md-nav__link">
|
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RssCreated
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="/feed_rss_updated.xml" class="md-nav__link">
|
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RssUpdated
|
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</a>
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</li>
|
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</ul>
|
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" type="checkbox" id="__nav_3" >
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<label class="md-nav__link" for="__nav_3">
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Links
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" aria-label="Links" data-md-level="1">
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<label class="md-nav__title" for="__nav_3">
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<span class="md-nav__icon md-icon"></span>
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Links
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../../links/" class="md-nav__link">
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Links
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="https://git.boringonian.com/trent/trents_blog" class="md-nav__link">
|
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Source
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
|
<a href="https://trentpalmer.org" class="md-nav__link">
|
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TrentReads
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="https://blog.trentpalmer.org" class="md-nav__link">
|
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AttentionSpanHistory
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="https://github.com/TrentSPalmer" class="md-nav__link">
|
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GitHub
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="https://twitter.com/boringtrent" class="md-nav__link">
|
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Twitter
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
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<a href="https://www.facebook.com/trentspalmer" class="md-nav__link">
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Facebook
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="https://docs.trentsonlinedocs.xyz/" class="md-nav__link">
|
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TrentDocs
|
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</a>
|
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</li>
|
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<li class="md-nav__item">
|
|
<a href="https://trentsonlinedocs.xyz/hugo-themes-report/hugo-themes-report.html" class="md-nav__link">
|
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HugoThemesReport
|
|
</a>
|
|
</li>
|
|
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|
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<li class="md-nav__item">
|
|
<a href="https://play.google.com/store/apps/details?id=org.trentpalmer.libre_gps_parser" class="md-nav__link">
|
|
LibreGpsParser
|
|
</a>
|
|
</li>
|
|
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|
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|
|
|
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|
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<li class="md-nav__item">
|
|
<a href="https://concise-pdx.com/" class="md-nav__link">
|
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ConcisePDX
|
|
</a>
|
|
</li>
|
|
|
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|
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|
|
<li class="md-nav__item">
|
|
<a href="https://trentspalmer.github.io/fcc-challenges/" class="md-nav__link">
|
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FreeCodeCampChallenges
|
|
</a>
|
|
</li>
|
|
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|
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|
|
|
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|
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<li class="md-nav__item">
|
|
<a href="https://trentpalmer.work/6a57bbe24d8244289610bf57533d6c6f/" class="md-nav__link">
|
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DeviceLayout
|
|
</a>
|
|
</li>
|
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|
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</ul>
|
|
</nav>
|
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</li>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" type="checkbox" id="__nav_4" checked>
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<label class="md-nav__link" for="__nav_4">
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Posts
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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<nav class="md-nav" aria-label="Posts" data-md-level="1">
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<label class="md-nav__title" for="__nav_4">
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<span class="md-nav__icon md-icon"></span>
|
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Posts
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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|
|
<li class="md-nav__item">
|
|
<a href="../ansible-kvm-router-lab-part-6/" class="md-nav__link">
|
|
Ansible KVM Router Lab Part 6
|
|
</a>
|
|
</li>
|
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<li class="md-nav__item md-nav__item--active">
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<input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
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<label class="md-nav__link md-nav__link--active" for="__toc">
|
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Ansible KVM Router Lab Part 5
|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
|
|
|
<a href="./" class="md-nav__link md-nav__link--active">
|
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Ansible KVM Router Lab Part 5
|
|
</a>
|
|
|
|
|
|
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
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|
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<label class="md-nav__title" for="__toc">
|
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<span class="md-nav__icon md-icon"></span>
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Table of contents
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</label>
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
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|
<li class="md-nav__item">
|
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<a href="#introduction" class="md-nav__link">
|
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Introduction
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</a>
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</li>
|
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|
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<li class="md-nav__item">
|
|
<a href="#setup-ansible" class="md-nav__link">
|
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Setup Ansible
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</a>
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</li>
|
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|
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<li class="md-nav__item">
|
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<a href="#run-ansible" class="md-nav__link">
|
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Run Ansible
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</a>
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</li>
|
|
|
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<li class="md-nav__item">
|
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<a href="#ansible-tasks" class="md-nav__link">
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Ansible Tasks
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</a>
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<nav class="md-nav" aria-label="Ansible Tasks">
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<ul class="md-nav__list">
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<li class="md-nav__item">
|
|
<a href="#install-dnsmasq-iptables-persistent" class="md-nav__link">
|
|
Install dnsmasq, iptables-persistent
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#install-traceroute" class="md-nav__link">
|
|
Install traceroute
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcnetworkinterfaces" class="md-nav__link">
|
|
Backup /etc/network/interfaces
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#update-network-config" class="md-nav__link">
|
|
Update Network Config
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcdnsmasqconf" class="md-nav__link">
|
|
Backup /etc/dnsmasq.conf
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-dnsmasq" class="md-nav__link">
|
|
Configure dnsmasq
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-network-ifup" class="md-nav__link">
|
|
Configure Network ifup
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#restart-network-and-dnsmasq" class="md-nav__link">
|
|
Restart Network and dnsmasq
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcsysctlconf" class="md-nav__link">
|
|
Backup /etc/sysctl.conf
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#enable-ipv4-forwarding" class="md-nav__link">
|
|
Enable ipv4 forwarding
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#start-ipv4-forwarding" class="md-nav__link">
|
|
Start ipv4 forwarding
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-iptables-workaround" class="md-nav__link">
|
|
Configure iptables workaround
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#apply-iptables-workaround" class="md-nav__link">
|
|
Apply iptables workaround
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-iptables" class="md-nav__link">
|
|
Configure iptables
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#apply-iptables-firewall" class="md-nav__link">
|
|
Apply iptables firewall
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#traceroute-test" class="md-nav__link">
|
|
traceroute test
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#to-be-continued" class="md-nav__link">
|
|
To Be Continued
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ansible-kvm-router-lab-part-4/" class="md-nav__link">
|
|
Ansible KVM Router Lab Part 4
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ansible-kvm-router-lab-part-3/" class="md-nav__link">
|
|
Ansible KVM Router Lab Part 3
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ansible-kvm-router-lab-part-2/" class="md-nav__link">
|
|
Ansible KVM Router Lab Part 2
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../ansible-kvm-router-lab-part-1/" class="md-nav__link">
|
|
Ansible KVM Router Lab Part 1
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../add-kvm-network-with-virsh/" class="md-nav__link">
|
|
Add KVM Network With Virsh
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../kvm-on-arch/" class="md-nav__link">
|
|
KVM On Arch
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../raspberrypi-lte-failover-router-with-dns-caching/" class="md-nav__link">
|
|
RaspberryPi LTE-Failover Router With DNS Caching
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debian-11-nspawn-flutter-integration-test-server/" class="md-nav__link">
|
|
Flutter Integration Test Server in Debian 11 Nspawn Container
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../debian-11-ttrss/" class="md-nav__link">
|
|
Debian 11 TT-RSS
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../trents-favorite-podcasts/" class="md-nav__link">
|
|
Trent's Favorite Podcasts
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../test-qr-svg-django/" class="md-nav__link">
|
|
Test QR SVG Django
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../prosody-photo-uploads/" class="md-nav__link">
|
|
Prosody Photo Uploads
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../xmpp-apt-notifications/" class="md-nav__link">
|
|
XMPP Apt Notification
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../apache-virtual-hosts/" class="md-nav__link">
|
|
Apache Virtual Hosts
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../sendxmpp-handler-for-python-logging/" class="md-nav__link">
|
|
SENDXMPP Handler for Python Logging
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../instructions-for-tethering-from-phone/" class="md-nav__link">
|
|
Instruction For Tethering From Phone
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../lmde4-custom-partitions-disk-encryption/" class="md-nav__link">
|
|
LMDE4 Custom Partitions for Disk Encryption
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../linux-move-cursor-with-keyboard/" class="md-nav__link">
|
|
Linux Move Cursor With Keyboard
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../simplified-raspberry-streaming/" class="md-nav__link">
|
|
Simplified Raspberry Streaming
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../clear-linux-encrypted-xfs-root/" class="md-nav__link">
|
|
Clear Linux Encrypted XFS Root
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../clear-linux-guest-virt-manager/" class="md-nav__link">
|
|
Clear Linux Guest Virt Manager
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../faster-partitioning-with-sgdisk/" class="md-nav__link">
|
|
Faster Partitioning with Sgdisk
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../lmde3-xfs-full-disk-encryption/" class="md-nav__link">
|
|
LMDE3 XFS Full Disk Encryption
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="../rewrite-hugo-themes-report-in-python/" class="md-nav__link">
|
|
Rewrite Hugo Themes Report In Python
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://git.boringonian.com/trent/trents_blog" class="md-nav__link">
|
|
Source
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://trentpalmer.org" class="md-nav__link">
|
|
TrentReads
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://blog.trentpalmer.org" class="md-nav__link">
|
|
AttentionSpanHistory
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://github.com/TrentSPalmer" class="md-nav__link">
|
|
GitHub
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://twitter.com/boringtrent" class="md-nav__link">
|
|
Twitter
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://www.facebook.com/trentspalmer" class="md-nav__link">
|
|
Facebook
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://docs.trentsonlinedocs.xyz/" class="md-nav__link">
|
|
TrentDocs
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://trentsonlinedocs.xyz/hugo-themes-report/hugo-themes-report.html" class="md-nav__link">
|
|
HugoThemesReport
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<li class="md-nav__item">
|
|
<a href="https://play.google.com/store/apps/details?id=org.trentpalmer.libre_gps_parser" class="md-nav__link">
|
|
LibreGpsParser
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
|
|
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
|
|
<div class="md-sidebar__scrollwrap">
|
|
<div class="md-sidebar__inner">
|
|
|
|
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
|
|
|
|
|
|
|
|
|
|
<label class="md-nav__title" for="__toc">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
Table of contents
|
|
</label>
|
|
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#introduction" class="md-nav__link">
|
|
Introduction
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#setup-ansible" class="md-nav__link">
|
|
Setup Ansible
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#run-ansible" class="md-nav__link">
|
|
Run Ansible
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#ansible-tasks" class="md-nav__link">
|
|
Ansible Tasks
|
|
</a>
|
|
|
|
<nav class="md-nav" aria-label="Ansible Tasks">
|
|
<ul class="md-nav__list">
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#install-dnsmasq-iptables-persistent" class="md-nav__link">
|
|
Install dnsmasq, iptables-persistent
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#install-traceroute" class="md-nav__link">
|
|
Install traceroute
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcnetworkinterfaces" class="md-nav__link">
|
|
Backup /etc/network/interfaces
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#update-network-config" class="md-nav__link">
|
|
Update Network Config
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcdnsmasqconf" class="md-nav__link">
|
|
Backup /etc/dnsmasq.conf
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-dnsmasq" class="md-nav__link">
|
|
Configure dnsmasq
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-network-ifup" class="md-nav__link">
|
|
Configure Network ifup
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#restart-network-and-dnsmasq" class="md-nav__link">
|
|
Restart Network and dnsmasq
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#backup-etcsysctlconf" class="md-nav__link">
|
|
Backup /etc/sysctl.conf
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#enable-ipv4-forwarding" class="md-nav__link">
|
|
Enable ipv4 forwarding
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#start-ipv4-forwarding" class="md-nav__link">
|
|
Start ipv4 forwarding
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-iptables-workaround" class="md-nav__link">
|
|
Configure iptables workaround
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#apply-iptables-workaround" class="md-nav__link">
|
|
Apply iptables workaround
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#configure-iptables" class="md-nav__link">
|
|
Configure iptables
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#apply-iptables-firewall" class="md-nav__link">
|
|
Apply iptables firewall
|
|
</a>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#traceroute-test" class="md-nav__link">
|
|
traceroute test
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
</nav>
|
|
|
|
</li>
|
|
|
|
<li class="md-nav__item">
|
|
<a href="#to-be-continued" class="md-nav__link">
|
|
To Be Continued
|
|
</a>
|
|
|
|
</li>
|
|
|
|
</ul>
|
|
|
|
</nav>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="md-content" data-md-component="content">
|
|
<article class="md-content__inner md-typeset">
|
|
|
|
|
|
|
|
|
|
|
|
<h1>Ansible KVM Router Lab Part 5</h1>
|
|
|
|
<p>date: 2021-10-17</p>
|
|
<h2 id="introduction">Introduction</h2>
|
|
<p>This is Part 5 of a multi-part series of blog posts for building a
|
|
<a href="https://github.com/TrentSPalmer/router-lab" target="_blank">router lab</a>
|
|
automatically using a series of bash scripts and ansible.</p>
|
|
<p><a href="/posts/ansible-kvm-router-lab-part-1/" target="_blank">Ansible KVM Router Lab Part 1</a>
|
|
is an overview.</p>
|
|
<p>In <a href="/posts/ansible-kvm-router-lab-part-2/" target="_blank">Ansible KVM Router Lab Part 2</a>,
|
|
I break down the script
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/build_vms.bash" target="_blank">build_vms.bash</a>.</p>
|
|
<p>In <a href="/posts/ansible-kvm-router-lab-part-3/" target="_blank">Ansible KVM Router Lab Part 3</a>,
|
|
I explain
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/define_bridge_networks.bash" target="_blank">define_bridge_networks.bash</a>
|
|
and
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/shutdown_vms.bash" target="_blank">shutdown_vms.bash</a>
|
|
scripts which are used to construct the lab.</p>
|
|
<p>In <a href="/posts/ansible-kvm-router-lab-part-4/" target="_blank">Ansible KVM Router Lab Part 4</a>,
|
|
I explain
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/connect_vms_to_bridges.bash" target="_blank">connect_vms_to_bridges.bash</a>,
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/start_vms.bash" target="_blank">start_vms.bash</a>,
|
|
and <a href="https://github.com/TrentSPalmer/router-lab/blob/master/rebuild_known_hosts.bash" target="_blank">rebuild_known_hosts.bash</a>
|
|
scripts which are used to construct the lab.</p>
|
|
<p>In this post I explain how I use Ansible to finish constructing the lab.</p>
|
|
<p>In <a href="/posts/ansible-kvm-router-lab-part-6/" target="_blank">Ansible KVM Router Lab Part 6</a>,
|
|
I explain
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/disconnect_vms_from_bridges.bash" target="_blank">disconnect_vms_from_bridges.bash</a>,
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/undefine_and_remove_vms.bash" target="_blank">undefine_and_remove_vms.bash</a>,
|
|
and <a href="https://github.com/TrentSPalmer/router-lab/blob/master/remove_bridge_networks.bash" target="_blank">remove_bridge_networks</a>
|
|
which are used to destroy the lab.</p>
|
|
<h2 id="setup-ansible">Setup Ansible</h2>
|
|
<ul>
|
|
<li>Configure ansible host file
|
|
<div class="highlight"><pre><span></span><code><span class="c1"># ~/.ansible.cfg</span>
|
|
<span class="k">[defaults]</span>
|
|
<span class="na">inventory</span> <span class="o">=</span> <span class="s">~/router-lab/ansible/hosts.yml</span>
|
|
</code></pre></div></li>
|
|
<li>Setup bashrc
|
|
<div class="highlight"><pre><span></span><code><span class="c1"># ~/.bashrc</span>
|
|
<span class="nb">export</span> <span class="nv">LIBVIRT_DEFAULT_URI</span><span class="o">=</span><span class="s2">"qemu+ssh://<user>@<server>/system"</span>
|
|
|
|
<span class="nb">alias</span> ansible-pb<span class="o">=</span>anspb
|
|
anspb<span class="o">()</span> <span class="o">{</span>
|
|
<span class="nv">ANS_DIR</span><span class="o">=</span>~/router-lab/ansible/playbooks<span class="p">;</span>
|
|
<span class="nb">echo</span> Changing to <span class="s2">"</span><span class="si">${</span><span class="nv">ANS_DIR</span><span class="si">}</span><span class="s2">"</span> and executing: ansible-playbook <span class="s2">"</span><span class="si">${</span><span class="p">@</span><span class="si">}</span><span class="s2">"</span>
|
|
<span class="o">(</span><span class="nb">cd</span> <span class="nv">$ANS_DIR</span> <span class="o">||</span> <span class="nb">exit</span> <span class="p">;</span> ansible-playbook <span class="s2">"</span><span class="si">${</span><span class="p">@</span><span class="si">}</span><span class="s2">"</span><span class="o">)</span>
|
|
<span class="o">}</span>
|
|
</code></pre></div></li>
|
|
<li>install apps
|
|
<div class="highlight"><pre><span></span><code>apt install ansible ansible-lint
|
|
</code></pre></div></li>
|
|
</ul>
|
|
<h2 id="run-ansible">Run Ansible</h2>
|
|
<p><div class="highlight"><pre><span></span><code>ansible-pb build_out_routers.yml -K
|
|
</code></pre></div>
|
|
or if you want to first update all the clients
|
|
<div class="highlight"><pre><span></span><code>ansible-pb update_and_build.yml -K
|
|
</code></pre></div></p>
|
|
<h2 id="ansible-tasks">Ansible Tasks</h2>
|
|
<p>This is an explaination of the tasks in the Ansible Playbook.
|
|
Playbooks are executed from top to bottom.</p>
|
|
<h3 id="install-dnsmasq-iptables-persistent">Install <code>dnsmasq</code>, <code>iptables-persistent</code></h3>
|
|
<p>This task is only run against the first and second lab clients as
|
|
they are the routers.</p>
|
|
<h3 id="install-traceroute">Install <code>traceroute</code></h3>
|
|
<p>Traceroute is parsed in a later task to confirm that traffic is
|
|
following the correct route.
|
|
(Also incidentally installs <code>needrestart</code> and <code>screen</code>.)</p>
|
|
<h3 id="backup-etcnetworkinterfaces">Backup <code>/etc/network/interfaces</code></h3>
|
|
<p>This is a simple bash command that tests if <code>/etc/network/interfaces.bak</code>
|
|
exists, and if not creates it.</p>
|
|
<h3 id="update-network-config">Update Network Config</h3>
|
|
<p>This task updates <code>/etc/network/interfaces</code> in all the lab clients
|
|
to describe the network interfaces needed to connect to each other.</p>
|
|
<p>For instance, here is the new <code>/etc/network/interfaces</code> file for <em>dnettwo</em>.
|
|
<div class="highlight"><pre><span></span><code><span class="c1"># /etc/network/interfaces</span>
|
|
<span class="c1"># This file describes the network interfaces available on your system</span>
|
|
<span class="c1"># and how to activate them. For more information, see interfaces(5).</span>
|
|
|
|
<span class="na">source /etc/network/interfaces.d/*</span>
|
|
|
|
<span class="c1"># The loopback network interface</span>
|
|
<span class="na">auto lo</span>
|
|
<span class="na">iface lo inet loopback</span>
|
|
|
|
<span class="c1"># The primary network interface</span>
|
|
<span class="na">allow-hotplug enp1s0</span>
|
|
<span class="na">iface enp1s0 inet dhcp</span>
|
|
|
|
<span class="c1"># The primary network interface</span>
|
|
<span class="na">allow-hotplug enp7s0</span>
|
|
<span class="na">iface enp7s0 inet dhcp</span>
|
|
|
|
<span class="na">auto enp8s0</span>
|
|
<span class="na">iface enp8s0 inet static</span>
|
|
<span class="na">address 10.4.4.1</span>
|
|
<span class="na">network 10.4.4.0</span>
|
|
<span class="na">netmask 255.255.255.0</span>
|
|
<span class="na">broadcast 10.4.4.255</span>
|
|
</code></pre></div></p>
|
|
<h3 id="backup-etcdnsmasqconf">Backup <code>/etc/dnsmasq.conf</code></h3>
|
|
<p>This is a simple bash command that tests if <code>/etc/dnsmasq.conf.bak</code>
|
|
exists, and if not creates it. (only applies to the two router clients)</p>
|
|
<h3 id="configure-dnsmasq">Configure <code>dnsmasq</code></h3>
|
|
<p>This task copies the templates for <code>/etc/dnsmasq.conf</code> to each of
|
|
the two router clients.</p>
|
|
<p><code>dnsmasq</code> is used to provide <em>DHCP</em> (and name resolution).
|
|
For instance, here is the new <code>/etc/dnsmasq.conf</code> for <em>dnetone</em>.
|
|
<div class="highlight"><pre><span></span><code><span class="c1"># /etc/dnsmasq.conf</span>
|
|
<span class="na">dhcp-range</span><span class="o">=</span><span class="s">10.5.5.50,10.5.5.150</span>
|
|
<span class="na">listen-address</span><span class="o">=</span><span class="s">127.0.0.1, 10.5.5.1</span>
|
|
</code></pre></div></p>
|
|
<h3 id="configure-network-ifup">Configure Network <em>ifup</em></h3>
|
|
<p>This applies to all the lab clients except for the first one,
|
|
changes the default route. A bash script is copied from
|
|
template to <code>/etc/network/if-up.d/ifup-script</code>.</p>
|
|
<p>For instance here is <code>ifup-script</code> for <em>dnetthree</em>.
|
|
<div class="highlight"><pre><span></span><code><span class="ch">#!/bin/bash</span>
|
|
<span class="c1"># /etc/network/if-up.d/ifup-script</span>
|
|
|
|
<span class="nv">default_dev</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span>ip route <span class="p">|</span> head -1 <span class="p">|</span> awk <span class="s1">'{print $5}'</span><span class="k">)</span><span class="s2">"</span>
|
|
<span class="nb">echo</span> <span class="s2">"</span><span class="si">${</span><span class="nv">default_dev</span><span class="si">}</span><span class="s2">"</span>
|
|
|
|
<span class="k">if</span> <span class="o">[</span> <span class="s2">"</span><span class="si">${</span><span class="nv">default_dev</span><span class="si">}</span><span class="s2">"</span> <span class="o">==</span> <span class="s2">"enp1s0"</span> <span class="o">]</span>
|
|
<span class="k">then</span>
|
|
ip route del default via <span class="m">10</span>.55.44.1 dev enp1s0
|
|
<span class="k">fi</span>
|
|
|
|
<span class="k">if</span> <span class="o">[</span> <span class="s2">"</span><span class="si">${</span><span class="nv">default_dev</span><span class="si">}</span><span class="s2">"</span> !<span class="o">=</span> <span class="s2">"enp7s0"</span> <span class="o">]</span>
|
|
<span class="k">then</span>
|
|
ip route add default via <span class="m">10</span>.4.4.1 dev enp7s0
|
|
<span class="k">fi</span>
|
|
</code></pre></div></p>
|
|
<h3 id="restart-network-and-dnsmasq">Restart Network and <code>dnsmasq</code></h3>
|
|
<p>This is sequential:</p>
|
|
<ol>
|
|
<li><em>enp7s0</em> is restarted on <em>dnetone</em></li>
|
|
<li><code>dnsmasq</code> is restarted on <em>dnetone</em>, offering service on <em>enp7s0</em></li>
|
|
<li><em>enp7s0</em> and <em>enp8s0</em> are restarted on <em>dnettwo</em>, thus soliciting dhcp service on <em>enp7s0</em>, and triggering <code>/etc/network/if-up.d/ifup-script</code></li>
|
|
<li><code>dnsmasq</code> is restarted on <em>dnettwo</em>, offering service on <em>enp8s0</em></li>
|
|
<li><em>enp7s0</em> is restarted on <em>dnetthree</em>, <em>dnetfour</em>, and <em>dnetfive</em>, thus soliciting dhcp service on <em>enp7s0</em>, and triggering <code>/etc/network/if-up.d/ifup-script</code></li>
|
|
</ol>
|
|
<h3 id="backup-etcsysctlconf">Backup <code>/etc/sysctl.conf</code></h3>
|
|
<p>This is a simple bash command that tests if <code>/etc/sysctl.conf.bak</code>
|
|
exists, and if not creates it. (only applies to the two router clients)</p>
|
|
<h3 id="enable-ipv4-forwarding">Enable <em>ipv4 forwarding</em></h3>
|
|
<p>This is a simple bash command that uncomments the option for <em>ipv4 forwarding</em>
|
|
in <code>/etc/sysctl.conf</code>, applies only to the two routers.
|
|
<div class="highlight"><pre><span></span><code><span class="c1"># /etc/sysctl.conf</span>
|
|
<span class="na">...</span>
|
|
<span class="c1"># this</span>
|
|
<span class="c1">#net.ipv4.ip_forward=1</span>
|
|
<span class="na">...</span>
|
|
<span class="c1"># becomes this</span>
|
|
<span class="na">net.ipv4.ip_forward</span><span class="o">=</span><span class="s">1</span>
|
|
<span class="na">...</span>
|
|
</code></pre></div></p>
|
|
<h3 id="start-ipv4-forwarding">Start <em>ipv4 forwarding</em></h3>
|
|
<p>This simple bash command starts <em>ipv4 forwarding</em>, applies only
|
|
to the two routers.
|
|
<div class="highlight"><pre><span></span><code>bash -c <span class="s2">"sysctl -w net.ipv4.ip_forward=1"</span>
|
|
</code></pre></div></p>
|
|
<h3 id="configure-iptables-workaround">Configure <code>iptables</code> <em>workaround</em></h3>
|
|
<p>This applies only to the two router clients.
|
|
From <code>iptables</code>'s point of view, the ansible connection isn't a RELATED INPUT
|
|
connection, thus it is necessary to bring up a firewall in a two-step
|
|
process that involves first ACCEPTING RELATED OUTPUT connections in a workaround.</p>
|
|
<p>From ansible template, the following is copied to <code>/dev/shm/iptables_workaround</code>
|
|
<div class="highlight"><pre><span></span><code># /dev/shm/iptables_workaround
|
|
*filter
|
|
:INPUT ACCEPT [0:0]
|
|
:OUTPUT ACCEPT [0:0]
|
|
:FORWARD ACCEPT [0:0]
|
|
|
|
-A INPUT -j ACCEPT -m conntrack --ctstate ESTABLISHED,RELATED
|
|
-A OUTPUT -j ACCEPT -m conntrack --ctstate ESTABLISHED,RELATED
|
|
|
|
COMMIT
|
|
</code></pre></div></p>
|
|
<h3 id="apply-iptables-workaround">Apply <code>iptables</code> <em>workaround</em></h3>
|
|
<p>This applies only to the two router clients.
|
|
The following command is dispatched to apply the above <em>iptables_workaround</em>:
|
|
<div class="highlight"><pre><span></span><code>bash -c <span class="s2">"iptables-restore < /dev/shm/iptables_workaround"</span>
|
|
</code></pre></div></p>
|
|
<h3 id="configure-iptables">Configure <code>iptables</code></h3>
|
|
<p>This applies only to the two router clients.</p>
|
|
<p>From ansible template the following is copied to <code>/etc/iptables/rules.v4</code> on <em>dnetone</em>.
|
|
<div class="highlight"><pre><span></span><code>*nat
|
|
-A POSTROUTING -o enp1s0 -j MASQUERADE
|
|
COMMIT
|
|
|
|
*filter
|
|
-A INPUT -i lo -j ACCEPT
|
|
# allow ssh, so that we do not lock ourselves
|
|
-A INPUT -i enp1s0 -p tcp -m tcp --dport 22 -j ACCEPT
|
|
# allow incoming traffic to the outgoing connections,
|
|
# et al for clients from the private network
|
|
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
# prohibit everything else incoming
|
|
-A INPUT -i enp1s0 -j DROP
|
|
COMMIT
|
|
</code></pre></div></p>
|
|
<p>From ansible template the following is copied to <code>/etc/iptables/rules.v4</code> on <em>dnettwo</em>.
|
|
<div class="highlight"><pre><span></span><code>*nat
|
|
-A POSTROUTING -o enp7s0 -j MASQUERADE
|
|
COMMIT
|
|
|
|
*filter
|
|
-A INPUT -i lo -j ACCEPT
|
|
# allow ssh, so that we do not lock ourselves
|
|
-A INPUT -i enp7s0 -p tcp -m tcp --dport 22 -j ACCEPT
|
|
# allow incoming traffic to the outgoing connections,
|
|
# et al for clients from the private network
|
|
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
# prohibit everything else incoming
|
|
-A INPUT -i enp7s0 -j DROP
|
|
COMMIT
|
|
</code></pre></div></p>
|
|
<h3 id="apply-iptables-firewall">Apply <code>iptables</code> firewall</h3>
|
|
<p>This applies only to the two router clients.
|
|
The following command is dispatched to apply the above from <code>/etc/iptables/rules.v4</code>:
|
|
<div class="highlight"><pre><span></span><code>bash -c <span class="s2">"iptables-restore < /etc/iptables/rules.v4"</span>
|
|
</code></pre></div></p>
|
|
<h3 id="traceroute-test"><code>traceroute</code> test</h3>
|
|
<p>The following script is dispatched to <em>dnettwo</em>:
|
|
<div class="highlight"><pre><span></span><code><span class="ch">#!/bin/bash</span>
|
|
|
|
<span class="nv">RESULT</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span>traceroute <span class="m">8</span>.8.8.8<span class="k">)</span><span class="s2">"</span>
|
|
|
|
<span class="nv">FIRST_HOP</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span><span class="nb">echo</span> <span class="s2">"</span><span class="si">${</span><span class="nv">RESULT</span><span class="si">}</span><span class="s2">"</span> <span class="p">|</span> head -2 <span class="p">|</span> tail -1 <span class="p">|</span> awk <span class="s1">'{print $2}'</span><span class="k">)</span><span class="s2">"</span>
|
|
|
|
<span class="k">if</span> <span class="o">[</span> <span class="s2">"</span><span class="si">${</span><span class="nv">FIRST_HOP</span><span class="si">}</span><span class="s2">"</span> <span class="o">==</span> <span class="s2">"10.5.5.1"</span> <span class="o">]</span>
|
|
<span class="k">then</span>
|
|
<span class="nb">exit</span> <span class="m">0</span>
|
|
<span class="k">else</span>
|
|
<span class="nb">exit</span> <span class="m">1</span>
|
|
<span class="k">fi</span>
|
|
</code></pre></div>
|
|
The following script is dispatched to <em>dnetthree</em>, <em>dnetfour</em>, and <em>dnetfive</em>:
|
|
<div class="highlight"><pre><span></span><code><span class="ch">#!/bin/bash</span>
|
|
|
|
<span class="nv">RESULT</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span>traceroute <span class="m">8</span>.8.8.8<span class="k">)</span><span class="s2">"</span>
|
|
|
|
<span class="nv">FIRST_HOP</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span><span class="nb">echo</span> <span class="s2">"</span><span class="si">${</span><span class="nv">RESULT</span><span class="si">}</span><span class="s2">"</span> <span class="p">|</span> head -2 <span class="p">|</span> tail -1 <span class="p">|</span> awk <span class="s1">'{print $2}'</span><span class="k">)</span><span class="s2">"</span>
|
|
|
|
<span class="k">if</span> <span class="o">[</span> <span class="s2">"</span><span class="si">${</span><span class="nv">FIRST_HOP</span><span class="si">}</span><span class="s2">"</span> !<span class="o">=</span> <span class="s2">"10.4.4.1"</span> <span class="o">]</span>
|
|
<span class="k">then</span>
|
|
<span class="nb">exit</span> <span class="m">1</span>
|
|
<span class="k">fi</span>
|
|
|
|
<span class="nv">SECOND_HOP</span><span class="o">=</span><span class="s2">"</span><span class="k">$(</span><span class="nb">echo</span> <span class="s2">"</span><span class="si">${</span><span class="nv">RESULT</span><span class="si">}</span><span class="s2">"</span> <span class="p">|</span> head -3 <span class="p">|</span> tail -1 <span class="p">|</span> awk <span class="s1">'{print $2}'</span><span class="k">)</span><span class="s2">"</span>
|
|
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|
<span class="k">if</span> <span class="o">[</span> <span class="s2">"</span><span class="si">${</span><span class="nv">SECOND_HOP</span><span class="si">}</span><span class="s2">"</span> <span class="o">==</span> <span class="s2">"10.5.5.1"</span> <span class="o">]</span>
|
|
<span class="k">then</span>
|
|
<span class="nb">exit</span> <span class="m">0</span>
|
|
<span class="k">else</span>
|
|
<span class="nb">exit</span> <span class="m">1</span>
|
|
<span class="k">fi</span>
|
|
</code></pre></div></p>
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<h2 id="to-be-continued">To Be Continued</h2>
|
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<p>In <a href="/posts/ansible-kvm-router-lab-part-6/" target="_blank">Ansible KVM Router Lab Part 6</a>,
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I explain
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<a href="https://github.com/TrentSPalmer/router-lab/blob/master/disconnect_vms_from_bridges.bash" target="_blank">disconnect_vms_from_bridges.bash</a>,
|
|
<a href="https://github.com/TrentSPalmer/router-lab/blob/master/undefine_and_remove_vms.bash" target="_blank">undefine_and_remove_vms.bash</a>,
|
|
and <a href="https://github.com/TrentSPalmer/router-lab/blob/master/remove_bridge_networks.bash" target="_blank">remove_bridge_networks</a>
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|
which are used to destroy the lab.</p>
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