Linux, Python, Security, and Open Source Software TIPS

Raspberry Pi 5 with 2-3 times the speed of previous generations is coming! #raspberrypi #raspberrypi5 https://www.raspberrypi.com/products/raspberry-pi-5/

Kali Linux version 2023.3 released! https://www.kali.org/blog/kali-linux-2023-3-release/#Infosec #pentesting #cybersecurity #Linux #Opensource

Bash, the magic that empowers the Cloudhttps://dev.to/sm0ke/bash-the-magic-that-empowers-the-cloud-5394#bash #scripting #deployments #linux #opensource

QEMU version 8.1.0 released https://www.qemu.org/2023/08/22/qemu-8-1-0/ #Qemu #Virtualization #Linux #opensource

🎬 Use the Linux command line to quickly create a 30 second video/audio recording using your PC's webcam #ZikTIPs #FFmpeg #CLI #Debian #Fedora #Ubuntu #Linux #Opensourceffmpeg -hide_banner -f pulse -ac 2 -i default -f v4l2 -i /dev/video0 -t 00:00:30 -vcodec libx264 /tmp/zik.mp4

Use the command line in Linux to find files with a particular extension in the current directory and move them to another existing directory #ZikTIPs #CLI #Linux #Fedora #Debian #Ubuntu #Opensource find . -iname "*.jpg" -type f -exec mv -v {} ~zik/Pictures \;

Podman v4.6 Introduces Podmansh: A Revolutionary Login Shell https://blog.podman.io/2023/08/podman-v4-6-introduces-podmansh-a-revolutionary-login-shell/

Systemd 254 has officially been released. It includes a "soft reboot" feature that restarts user space while leaving the kernel in place plus improved support for confidential virtual machines #systemd #Linux #opensourcehttps://lists.freedesktop.org/archives/systemd-devel/2023-July/049296.html

Python String Formatting#Python #programming https://www.pythoncheatsheet.org/cheatsheet/string-formatting

OpenHAB 4.0 released #smarthome #opensource https://www.openhab.org/blog/2023-07-23-openhab-4-0-release.html

💡 Use the command line to find files with a particular extension in the current directory and move them to another existing directory #ZikTIPs #Linux #CLI #Fedora #Ubuntu #Opensourcefind . -iname "*.tar.gz" -type f -exec mv -v {} /tmp/pkgs/ \;

The Right Way to Run Shell Commands From Python #Python #Scripting #sysadmin #Linux https://martinheinz.dev/blog/98

💡 Use pkcon command line tool to refresh cached information on available updates in Linux. #ZikTIPs #pkcon #PackageKit #Fedora #Ubuntu #Linux #Opensourcepkcon refresh force -c -1

💡 While there are several console tools for math available in Linux (e.g. bc), you can use the venerable awk command in a shell environment like bash to do simple calculations. calc(){ awk "BEGIN{ print $* }" ;}e.g. calc 2*3TIP: For persistence and easy access, add above function in your ~/.bashrc file#ZikTIPs #CLI #Linux #Scripting

Whether you can or cannot exit it, learn how to record and replay macros in Vim#VIM #Emacs #Editors #automation #Linux #OpenSourcehttps://www.redhat.com/sysadmin/use-vim-macros

Debian Linux version 12 codenamed "BookWorm" has just been released. It is now possible to separate non-free firmware from the other non-free packages! #Debian #Debian12 #DebianBookworm #Ubuntu #Linux #Opensource https://www.debian.org/News/2023/20230610

💡 TIP: Discard changes recently made to a file in your git repositorycd REPOSITORYgit checkout — docs/README.rst #ZikTIPs #git #developers #Linux #CLI #Opensource

💡 TIP: If you have another user set up on your Linux PC running xorg, here's a quick way to launch any graphical application from that other account on your GNOME desktop i.e. without switching or logging out:xhost + && ssh otheruser@localhost DISPLAY=unix:0.0 signal-desktopAlso see the "pkexec" command#ZikTIPs #GNOME #Linux #Fedora #CLI #Opensource

Debian 11.7 Linux released & includes several security fixes and package updates @debianhttps://www.debian.org/News/2023/20230429#Debian #security #Linux #opensource

My friend Johan Bernhardsson demonstrates how to record a video call meeting in Nextcloud HUB 4. Check out the short video on his Youtube channel: https://www.youtube.com/watch?v=J_00t9AnxH4@nextcloudclouders #webinar #meetings #Opensource