# Various useful-ish scripts
Scripts I wrote at some point or another. Inconsistent quality, no guarantees.

It's likely some never worked or that I got bored writing halfway.

## availability-monitor.py
Low-budget homemade handmade monitoring for homeserver.

Status: active use

Dependencies: python, dnspython, Matrix account

Usage: Run as a daemon, `/usr/local/bin/availability-monitor.py <interval-sec>`

## dnf-search-install.py
Wrapper, marks already installed packages for `dnf search`. Slow.

Status: active use

Dependencies: dnf, python

Setup:
```bash
sudo cp ./dnf-search-installed.py /usr/local/bin/.
alias -s dnf '/usr/local/bin/dnf-search-installed.py'
```
Usage: `dnf search <package>`


## gasquery.py
Query Alchemy API for current ETH L1 basefee.
Intended for consumption by i3status-rs' custom block.

Status: active use

Dependencies: Alchemy API key

Usage: `gasquery.py <alchemy-api-key> <notification-threshold>`


## gentoo-chroot.sh
Automate chrooting from live USB to fix installed system.

Status: active use :(

Dependencies: Nothing unusual

Usage: `chroot.sh`


## gtokei.sh
Wrapper, count lines of code for git repos with [tokei](https://github.com/XAMPPRocky/tokei).

Status: active use

Dependencies: tokei, git

Usage: `gtokei.sh https://github.com/some/repo`


## kernel-update.py
Automate chores when configuring, compiling and updating kernel.

Install step can be simplified by using properly setup installkernel/kernel-install
invocation by `make install`.

Status: active use

Dependencies: python-magic, Gentoo (not really but genkernel, eselect, specific names and paths...)

Usage: `kernel-update.py <old-version> <new-version>`


---

## flac-convert.py
Convert all .m4a into max-compressed .flac

Status: ancient one-off, likely low quality

Dependencies: ffmpeg

Usage: `flac-convert.py /path/to/music`


## from-ca-to-server.sh
Create own CA and use it to sign a certificate

Status: ancient one-off, unknown purpose

Dependencies: openssl

Usage: ???


## jxl-restore.py
Check whether JPEG version of .jxl exists, remove .jxl if does.
Attempt at rescuing collection where conversion got messed up.

Will fix one day. Maybe.

Status: ancient one-off, broken

Dependencies: None

Usage: None


## invoke-magic.bat
Add watermark to photo and create thumbnail.
Contains detailed parameter explanation. Created for friend's blog.

Status: ancient but probably still working

Dependencies: imagemagick

Usage: Run next to `logo.png` and `workdir` directory with photos


## sync-apparmor.py
Scan source directory of profiles and binaries in the system.

Copy profiles that have a corresponding binary from src to dst.
Clean profiles that don't have a corresponding binary from dst.

Useful for initial profile dir setup and mopping up old profiles.

Doesn't work for subprofiles

Status: one-off

Dependencies: apparmor

Usage: `sync-apparmor.py <src> <dst>`


## try-luks-from-kdbx.py
Retrieve known password for a LUKS volume from a KeePass DB.

For those moments when you forget the name of or
mislabel your DB entry.

Status: one-off

Dependencies: pykeepass

Usage: `try-luks-from-kdbx.py /path/to/kdbx /path/to/block-device`