Random tools I've found interesting

[Scott Moser]

> == LXD Login ==
>
>   $ lxc alias add login 'exec @ARGS@ --mode interactive -- bash -xac $@bryce - exec /bin/login -p -f '
>

This is similar to 'ctool exec --container=mycontainer --user=bryce'.

It doesn't use 'login', so I'm not sure what effect that actually has
on things, but you don't need 'script /dev/null'.

ctool is part of the scripts ubuntu server team uses for different
things.  It lives
https://github.com/CanonicalLtd/uss-tableflip/tree/master/scripts .

I just put a pull request up to add some better usage doc:

   https://github.com/CanonicalLtd/uss-tableflip/pull/38/files

On Thu, Mar 5, 2020 at 2:53 PM Bryce Harrington
<bryce.harrington at canonical.com> wrote:
>
> As followup to our retrospective, this past year I've found and played
> with several tools, that I thought might be worth show-and-telling
> about, and given our corona-sprint we're in will do so via email:
>
>
> == so-trello ==
>
> This CLI allows programmatic interaction with Trello boards.  It was
> written by our own Kernel team's Andy Whitcroft.
>
> This looks like it could be handy for bulk operations, cronned/automated
> card update tasks, and the like.
>
> So-trello can be downloaded from the snap store
> (https://snapcraft.io/so-trello), or installed directly:
>
>   $ sudo snap install so-trello
>
>
> == LXD Login ==
>
> I'm always looking for ways to improve my user experience with lxc
> containers.  Logging in has always felt a bit baroque, so I've been
> scouring for simpler solutions.  I found out that LXD supports
> 'aliases', and that you can construct a login alias, which works pretty
> good.
>
>   $ lxc alias add login 'exec @ARGS@ --mode interactive -- bash -xac $@bryce - exec /bin/login -p -f '
>
> (The trailing space after the -f is important).  Replace 'bryce' with
> 'ubuntu' or whatever username you use in your containers.
>
> Unfortunately, it still requires running `script /dev/null` after
> logging in... would love to figure out how to eliminate that step.
>
> Bonus, here's an alias to make a prettier lxc listing:
>
>   $ lxc alias add ls 'list -c ns4,user.comment:comment'
>
> If I'm late to the party and y'all already know about lxd aliases, well
> boo, but show me *your* aliases!  (And we should add this to starter
> docs...)
>
>
> == YAML Parser for Bash scripts - yaml.sh ==
>
> I like YAML and I like writing in Bash, but the two don't fit together
> naturally.  Scouring the web for solutions, I found AdrianDC's yaml.sh
> which reads a YAML file and registers its parameters as prefixed ENV
> vars.  Quite handy.
>
> yaml.sh can be downloaded from:
>
>   $ wget https://raw.githubusercontent.com/jasperes/bash-yaml/master/script/yaml.sh
>
>
> == shellcheck ==
>
> Probably known to all Bash aficionados already, but 'shellcheck' is so
> handy worth extra mention.  It runs a lint check on bash scripts to
> identify syntax improvements.  Very helpful for catching errors too.
>
>   $ sudo apt-get install shellcheck
>
>
> == distro-info ==
>
> Another one I'm sure you all already know about, but if not, distro-info
> is another handy tool for looking up information about Debian and Ubuntu
> releases.  Good way to avoid hardcoding things in your own scripts.
>
>   $ sudo apt-get install distro-info
>
> What's the current development version's codename?
>
>   $ distro-info -d
>   focal
>
> What's bionic's release number?
>
>   $ distro-info --release --series bionic | cut -d' ' -f1
>   18.04
>
> Is disco still supported?
>
>   $ (distro-info --supported | grep disco) || echo "Nope!"
>   Nope!
>
>
>
>
>
>
> --
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