| #!/bin/bash | |
| set -euo pipefail | |
| IFS=$'\n\t' | |
| # Elegant way to test internet speed on the CLI. | |
| # Mostly from https://superuser.com/a/70400/256215 | |
| # | |
| # Does not require large files on a server, | |
| # but requires SSH access to a remote machine. | |
| # |
| #!/bin/bash | |
| # Command download eduVPN credentials, opening a browser window for 2FA, | |
| # then opening a connection using wg-quick. | |
| # | |
| # Eduvpn is used at the University of Passau, for example. | |
| # | |
| # As discussed [1], eduVPN offers an undocumented CLI to download the credentials file. | |
| # This will open a browser window for authentication, upon success, the credentials are | |
| # printed to stdout, together with logging output. |
To enable screen capture in OBS under Wayland, install wlrobs.
Follow the instructions found here.
(Install mercurial first, if required.)
# clone and compile
hg clone https://hg.sr.ht/~scoopta/wlrobs
cd wlrobs
Update July 2026: Simply replacing deb with archive may not always do it.
For example, Debian stretch requires additional replacements, but the principle stays the same.
See https://unix.stackexchange.com/a/744408/56290
When maintaining code and, successively, building old (10+ years) Dockerfile images,
problems may arise because the base image may be based off a Debian distribution,
which is no longer available. I.e. /etc/apt/sources.list cointains references,
which no longer exist. For example, ruby:2.3
| sudo apt install supercollider | |
| pw-jack scide # start supercollider IDE using Pipewire-Jack | |
| # Inside the IDE, test that things are working: | |
| s.boot | |
| { [SinOsc.ar(440, 0, 0.2), SinOsc.ar(442, 0, 0.2)] }.play; # Ctrl+Enter | |
| # Ctrl+. to stop playback |
| # 1. Install official Linux drivers from Brother | |
| # e.g. https://support.brother.com/g/b/downloadtop.aspx?c=us_ot&lang=en&prod=ds640_us_eu_as | |
| # 2. Install sane-utils (Debian) | |
| sudo apt install sane-utils | |
| # 3. Connect scanner, list available scanners | |
| scanimage -L | |
| # device `brother5:bus2;dev2' is a Brother DS-640 USB scanner |
| # Given a comma-separated list of strings, | |
| # quote each string separately in double-quotes | |
| # for exampe, for using the list of strings in Python. | |
| # | |
| # Use sed to replace word boundaries (\b) with a quote character ("). | |
| head -1 some_csv_file.csv | sed -e 's|\b|"|g' | |
| # head -1 topic_to_policy_llm_CORRECTED.csv | |
| # topic_id,match,policy_field_flo,policy_field_llm,topic,source,policy_id_llm |
| # Find PDFs, for example in sorted order, | |
| # using https://gist.github.com/sepastian/5a39eb7aff7adcf2ba2460ca0738664a | |
| find -type f -name '*pdf' | \ | |
| while read f | |
| do | |
| # Append file 2 ... N | |
| if [ -f all.pdf ]; then | |
| ~/go/bin/pdfcpu merge -m append all.pdf "${f}" | |
| continue | |
| fi |
| # Use the `sort` command to sort by German month names. | |
| # | |
| # E.g. sort files containing month names in ther path. | |
| # make sure desired locale is installed | |
| $ localectl list-locales | |
| C.UTF-8 | |
| en_US.UTF-8 | |
| # install missing locales, if required |