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add arch linux instructions to stupid_kvm_tricks
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@ -22,7 +22,55 @@ virt-install \
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--location ./ubuntu-16.04.3-server-amd64.iso \
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--extra-args 'console=ttyS0,115200n8 serial'
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```
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## virt-install Arch Linux
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The `--extra-args` option lets you use a serial console. But the
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`--extra-args` option only works if you also use an `--location`
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option. But the `--location` option can only be used with certain isos.
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So use `--cdrom` instead of `--location`, drop the `--extra-args`,
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and instruct the kernel to boot with a serial console with a parameter
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at the boot splash screen.
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```bash
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qemu-img create -f qcow2 /var/lib/libvirt/images/arch.qcow2 20G
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virt-install --name arch --ram 4096 \
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--disk path=/var/lib/libvirt/images/arch.qcow2,size=20 \
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--vcpus 2 \
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--os-type linux \
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--os-variant ubuntu16.04 \
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--network bridge=virbr0 \
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--graphics none \
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--console pty,target_type=serial \
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--cdrom /var/lib/libvirt/images/archlinux-2018.02.01-x86_64.iso
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```
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the arch boot splash screen will appear in your terminal and you can
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tap the "tab" key to edit boot parameters
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add "console=ttyS0" to kernel command line parameters
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before
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```bash
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> .linux boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201802 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img
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```
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after
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```bash
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> .linux boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201802 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img console=ttyS0
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```
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```bash
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arch boots ...
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...
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...
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...
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root@archiso ~ # lsblk
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
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loop0 7:0 0 432M 1 loop /run/archiso/sfs/airootfs
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sr0 11:0 1 539M 0 rom /run/archiso/bootmnt
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vda 254:0 0 20G 0 disk
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root@archiso ~ #
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```
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## Change the Network Interface
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br0 gets addresses from the network router, but what if you want
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your vm to have be on the virbr0 192.168.122.0/24 subnet?
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@ -177,3 +225,4 @@ Delete snapshot
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```bash
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virsh snapshot-delete --domain dcing --snapshotname dcing-snap0
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```
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@ -261,5 +261,5 @@
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<!--
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MkDocs version : 0.17.2
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Build Date UTC : 2018-02-11 16:32:53
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Build Date UTC : 2018-02-13 12:50:47
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-->
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File diff suppressed because one or more lines are too long
@ -4,7 +4,7 @@
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<url>
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<loc>/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -12,7 +12,7 @@
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<url>
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<loc>/apt_pinning_artful_aardvark_packages_in_xenial_xerus/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -20,7 +20,7 @@
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<url>
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<loc>/lxd_container_home_server_networking_for_dummies/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -28,7 +28,7 @@
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<url>
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<loc>/lxd_container_foo/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -36,7 +36,7 @@
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<url>
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<loc>/how_to_reassign_a_static_ip_address_with_dnsmasq/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -44,7 +44,7 @@
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<url>
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<loc>/serve_and_share_apps_from_your_phone_with_fdroid/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -52,7 +52,7 @@
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<url>
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<loc>/nspawn/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -60,7 +60,7 @@
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<url>
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<loc>/gentoo_lxd_container/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -68,7 +68,7 @@
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<url>
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<loc>/mastodon_on_arch/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -76,7 +76,7 @@
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<url>
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<loc>/debian_nspawn_container_on_arch_for_testing_apache_configurations/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -84,7 +84,7 @@
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<url>
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<loc>/dynamic_cacheing_nginx_reverse_proxy_for_pacman/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -92,7 +92,7 @@
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<url>
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<loc>/freebsd_jails_on_freenas/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -100,7 +100,7 @@
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<url>
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<loc>/arch_redis_nspawn/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -108,7 +108,7 @@
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<url>
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<loc>/arch_postgresql_nspawn/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -116,7 +116,7 @@
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<url>
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<loc>/misc_tips_troubleshooting/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -124,7 +124,7 @@
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<url>
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<loc>/self_signed_certs/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -132,7 +132,7 @@
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<url>
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<loc>/selfoss_on_centos7/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -140,7 +140,7 @@
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<url>
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<loc>/stupid_package_manager_tricks/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -148,7 +148,7 @@
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<url>
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<loc>/stupid_kvm_tricks/</loc>
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<lastmod>2018-02-11</lastmod>
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<lastmod>2018-02-13</lastmod>
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<changefreq>daily</changefreq>
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</url>
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@ -148,6 +148,8 @@
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<li><a class="toctree-l3" href="#virt-install-ubuntu1604">virt-install ubuntu16.04</a></li>
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<li><a class="toctree-l3" href="#virt-install-arch-linux">virt-install Arch Linux</a></li>
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<li><a class="toctree-l3" href="#change-the-network-interface">Change the Network Interface</a></li>
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<li><a class="toctree-l3" href="#clone-the-vm">Clone the VM</a></li>
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@ -219,6 +221,51 @@
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--extra-args 'console=ttyS0,115200n8 serial'
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</code></pre>
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<h2 id="virt-install-arch-linux">virt-install Arch Linux</h2>
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<p>The <code>--extra-args</code> option lets you use a serial console. But the
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<code>--extra-args</code> option only works if you also use an <code>--location</code>
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option. But the <code>--location</code> option can only be used with certain isos.
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So use <code>--cdrom</code> instead of <code>--location</code>, drop the <code>--extra-args</code>,
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and instruct the kernel to boot with a serial console with a parameter
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at the boot splash screen.</p>
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<pre><code class="bash">qemu-img create -f qcow2 /var/lib/libvirt/images/arch.qcow2 20G
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virt-install --name arch --ram 4096 \
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--disk path=/var/lib/libvirt/images/arch.qcow2,size=20 \
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--vcpus 2 \
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--os-type linux \
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--os-variant ubuntu16.04 \
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--network bridge=virbr0 \
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--graphics none \
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--console pty,target_type=serial \
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--cdrom /var/lib/libvirt/images/archlinux-2018.02.01-x86_64.iso
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</code></pre>
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<p>the arch boot splash screen will appear in your terminal and you can
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tap the "tab" key to edit boot parameters</p>
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<p>add "console=ttyS0" to kernel command line parameters</p>
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<p>before</p>
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<pre><code class="bash">> .linux boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201802 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img
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</code></pre>
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<p>after</p>
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<pre><code class="bash">> .linux boot/x86_64/vmlinuz archisobasedir=arch archisolabel=ARCH_201802 initrd=boot/intel_ucode.img,boot/x86_64/archiso.img console=ttyS0
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</code></pre>
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<pre><code class="bash">
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arch boots ...
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...
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...
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...
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root@archiso ~ # lsblk
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
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loop0 7:0 0 432M 1 loop /run/archiso/sfs/airootfs
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sr0 11:0 1 539M 0 rom /run/archiso/bootmnt
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vda 254:0 0 20G 0 disk
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root@archiso ~ #
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</code></pre>
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<h2 id="change-the-network-interface">Change the Network Interface</h2>
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<p>br0 gets addresses from the network router, but what if you want
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your vm to have be on the virbr0 192.168.122.0/24 subnet?</p>
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