How To
Convert Video to MP3 on Linux with FFmpeg
FFmpeg is the Linux swiss army knife for audio and video conversion. Ripping the audio track out of…
Category
Linux Tutorials
Linux Tutorials
Convert VirtualBox VDI to qcow2 with qemu-img
Moving a VM between hypervisors is usually a matter of converting the disk image format. VirtualBox writes to…
AlmaLinux
Install SELinux Man Pages on Rocky Linux 10
When SELinux blocks something and you need to understand why, the best documentation is sitting in man pages…
Debian
Protect GRUB with Password on Linux
Physical access to a Linux machine is game over unless the bootloader stops an attacker from dropping into…
Linux Tutorials
Install Java JDK 21 on Kali Linux
A lot of the pen-testing toolkit that Kali ships with assumes a working Java runtime somewhere on the…
Linux Tutorials
Install Kernel Headers on Kali Linux
Kernel headers are what you install when you need to compile something that plugs into the running kernel.…
AlmaLinux
Install and Use sshfs on Rocky 10 / Debian 13 / Ubuntu 24.04
sshfs mounts a directory from a remote server as if it were a local filesystem, tunnelled entirely over…
AlmaLinux
Install Zsh and Oh My Zsh on Linux
Bash is fine. Zsh is better for daily driving on a server you actually live inside. Tab completion…
Linux Tutorials
Install Apache Spark 4.1.1 on Debian 13 / Ubuntu 24.04 LTS
Apache Spark 4.1 is the current stable line and it’s a noticeable jump from the 3.5.x series. Native…
AlmaLinux
Top Rocky Linux 10 Post-Installation Tips and Tricks
A fresh Rocky Linux 10 install gives you a lean base image and not much else. Before the…
Containers
Deploy Graylog 7 with Docker Compose
Deploy Graylog 7.0.6 with MongoDB and Data Node using Docker Compose. Full compose file, health checks, volumes, and…
Linux Tutorials
Install Graylog 7 on Rocky Linux and AlmaLinux
Step-by-step guide to installing Graylog 7.0.6 with MongoDB 8.0 and Data Node on Rocky Linux 10/9/8 and AlmaLinux…