Some examples: Find files in current directory that have a size of 400 bytes or more: sfind -min 400 Find files in /etc that have a size of 50 kilobytes (1 kilobyte = 1024 bytes) or more: sfind -dir /etc -min 50k Find files in /var with size between 100 and 500 megabytes, suppress warnings, […]
Artikel in Kategorie "Technik"
Print XDG Desktop Definition for Application
21. August 2022 in Administration, GNU/Linux.
For an application given by „application name“ or „executable name“, output the corresponding .desktop file, if any: find_desktop() { local IFS=“:“ local xdg_data_dirs=${XDG_DATA_DIRS:-/usr/local/share:/usr/share} local search=$1 for i in $xdg_data_dirs ; do a=“$i/applications“ [ -d $a ] && for d in „$a“/*.desktop ; do grep -q -e „^Name=.*$search“ -e „^Exec=.*$search“ „$d“ && { echo „# $d:“ […]
Transforming Sets of Strings to their Common Prefix Notation
19. Januar 2023 in Programmierung.
Update Aug 20 2022: There is an update to this article that fixes a known issue. There is also a Git repository containing a reference implementation. Any two strings s1, s2 have a common prefix cp, which is the string of characters that s1 and s2 have in common up from the start. If s1, […]
Pi-KVM Hat v3
31. Dezember 2021 in Administration, GNU/Linux, Technik.
Ich freue mich, zu den Glücklichen zu gehören, die den Pi-KVM Hat v3 mit passendem Stahlgehäuse ergattert haben (https://pikvm.org/). Das Warten hat sich gelohnt.
CentOS/8 Stream on libvirt/KVM with Kickstart and virt-install
22. Januar 2023 in Administration, GNU/Linux, Technik.
This article describes using Kickstart to automate the CentOS installer and virt-install to automate the creation of a VM. The following setup is assumed: There is a libvirt hypervisor called virthost. ssh to virthost as „root“ is possible.
WordPress-Plugin to Embed Gitlab Project Information
1. Januar 2022 in Programmierung, Technik.
For my personal use, i wrote a small WordPress plugin that allows me to embed a link to a Gitlab repository, a list of commits and a link to the releases of that project in a WP post. Example (linebreaks added to shortcode for readability): [gitlab-show-project url=“https://tk-sls.de/gitlab“ project_id=43 max=3 author=“none“ releases=“latest“] Output:
Interactive nftables Ruleset Editor
28. November 2021 in Administration, GNU/Linux, Technik.
I wrote a simple shell tool to interactively edit the current nftables ruleset using a terminal-based text editor (respecting environment variable EDITOR and defaulting to vim). For testing purposes, it can optionally revert the changes after a timeout specified in seconds (option –timeout SECONDS, requires systemd-run).
GRE Setup for Bacula on a Mobile Client
7. November 2021 in Administration, GNU/Linux, Technik.
The way Bacula works is: A backup client runs a TCP server process bacula-fd, waiting for a backup server process bacula-dir to connect and perform backup and restore jobs. There is a simple authentication mechanism, where bacula-dir presents a shared secret to bacula-fd to be granted access. Opening the bacula-fd TCP server on an exposed […]