2017-07-23 23:22:56 -07:00
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< a class = "" href = "../arch_postgresql_nspawn/" > Quick Dirty Postgresql Nspawn Container on Arch Linux< / a >
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< li > < a class = "toctree-l3" href = "#sending-commands-to-lxd-containers" > Sending commands to LXD containers< / a > < / li >
2017-07-26 09:30:44 -07:00
< li > < a class = "toctree-l3" href = "#move-lxd-container-to-another-server" > Move LXD container to another Server< / a > < / li >
2018-01-28 12:19:18 -08:00
< li > < a class = "toctree-l3" href = "#ubuntu-mate-welcome-center-doesnt-work-for-some-repos" > Ubuntu-Mate-Welcome-Center doesn't work for some repos< / a > < / li >
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< h1 id = "misc-tips-troubleshooting" > Misc Tips, TroubleShooting< / h1 >
< h2 id = "sending-commands-to-lxd-containers" > Sending commands to LXD containers< / h2 >
< p > Use < code > bash -c "< command> "< / code > for commands with wildcards. i.e.< / p >
< pre > < code class = "bash" > for machine in $(lxc list | grep RUNNING | awk '{print $2}') ;\
do lxc exec " ${machine}" -- bash -c " cat /etc/apt/apt.conf.d/02*" ; done
< / code > < / pre >
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< p > fish shell is actually a little bit cleaner< / p >
< pre > < code class = "fish" > for machine in (lxc list | grep RUNNING | awk '{print $2}') ; \
lxc exec $machine -- bash -c " cat /etc/apt/apt.conf.d/02*" ; end
< / code > < / pre >
< pre > < code class = "fish" > # change all their time zones
for machine in (lxc list | grep RUNNING | awk '{print $2}') ; \
lxc exec $machine -- bash -c " timedatectl set-timezone America/Los_Angeles" ; end
# check to see if anyone is logged in before rebooting
for machine in (lxc list | grep RUNNING | awk '{print $2}') ; echo ; \
echo $machine ; lxc exec $machine -- bash -c " who" ; end
< / code > < / pre >
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< h2 id = "move-lxd-container-to-another-server" > Move LXD container to another Server< / h2 >
< pre > < code class = "bash" > # stop the container
lxc stop < container name>
# publish image of container to local *storage*
lxc publish < container name> --alias < image name>
# export the new image to tarball
lxc image export < image name>
# scp tarball to other box
scp a4762b114fecee2e2bc227b9032405642c5286c02009babef7953e011e597bfe.tar.gz server:
# on other box import the image
lxc image import < tarball file name> --alias < image name>
# launch container
lxc launch < image name> < container name>
# assign profile to container
lxc profile assign < container name> < profile name>
< / code > < / pre >
< p > Shell into the new running container, update any network interface
configurations that you need to, and then restart the container.< / p >
< p > See also
< a href = "../lxd_container_home_server_networking_for_dummies/" > LXD Container Home Server Networking For Dummies< / a > < / p >
2018-01-28 12:19:18 -08:00
< h2 id = "ubuntu-mate-welcome-center-doesnt-work-for-some-repos" > Ubuntu-Mate-Welcome-Center doesn't work for some repos< / h2 >
2017-07-23 23:22:56 -07:00
< p > Perhaps your apt-cacher-ng proxy server isn't configured to allow
traffic through from https sources. Make sure the following is
uncommented. This applies for all PPA's that use https.< / p >
< pre > < code class = "conf" > # /etc/apt-cacher-ng/acng.conf
PassThroughPattern: .*
< / code > < / pre >
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< h2 id = "quitting-mosh" > Quitting Mosh< / h2 >
< p > The key combination to quit mosh it < code > ctrl+6+.< / code >
Also, WTF?< / p >
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< h2 id = "updating-caddy-server" > Updating Caddy Server< / h2 >
< p > You update Caddy Server with a new Go Binary, try to restart caddy.service, and it fails.
Maybe you get an error message such as the following < code > listen tcp :80: bind: permission denied< / code > and/or
< code > listen tcp :443: bind: permission denied< / code > .< br / >
Fix this error with the following command < code > sudo setcap CAP_NET_BIND_SERVICE=+eip /path/to/caddy< / code > < / p >
2017-09-07 09:50:46 -07:00
< h2 id = "zfs-disc-error-disc-identification" > ZFS Disc Error Disc Identification< / h2 >
< p > You created a zpool using /dev/disk-by-id to specify the devices, and now you want to figure out
which disks are causing you trouble. For instance, your system log, < code > journalctl | grep -i fail< / code >
shows read error on /dev/sdc. < / p >
< p > You can use < code > lsblk -o MODEL,SERIAL< / code > to match the information generated by < code > zpool status< / code > .< / p >
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< h2 id = "byobutmux-copy-mode" > Byobu/Tmux copy mode< / h2 >
< ol >
< li >
< p > Enter Copy Mode < / p >
< ul >
< li > in byobu use key < code > F7< / code > < / li >
< li > in tmux use < code > < prefix> [< / code > < / li >
< / ul >
< / li >
< li >
< p > Navigate around less/copy buffer using < code > h,j,k,l< / code > < / p >
< / li >
< li >
< p > Select text< / p >
< ul >
< li > < code > < space> < / code > begins text selection< / li >
< li > move cursor around using < code > h,j,k,l< / code > < / li >
< li > < code > < enter> < / code > ends text selection< / li >
< / ul >
< / li >
< li >
< p > Paste selection in any tmux/byobu window< / p >
< ul >
< li > in byobu use < code > alt+insert< / code > < / li >
< li > in tmux use < code > < prefix> ]< / code > < / li >
< / ul >
< / li >
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