Complete guide to deploying applications with Docker Compose
Learn how to deploy multi-container applications with Docker Compose: services, networks, volumes, and practical examples for your environment.
Linux
How to use Firejail on Linux to isolate and protect applications
Learn how to use Firejail on Linux: install, configure profiles, and isolate browsers, games, and apps in secure sandboxes.
What operating system do military drones actually use?
Discover which operating systems military drones use, why Linux dominates, and how free software is changing modern warfare.
Key improvements in Wine 11 for gaming and working on Linux
Discover in detail all the improvements of Wine 11: NTSYNC, WoW64, Vulkan, Wayland and more for Windows games and apps on Linux and macOS.
What is KolibriOS and why is it such a lightweight operating system?
Discover what KolibriOS is, the ultra-lightweight operating system that fits on a floppy disk and revives old PCs with incredible speed.
Albert Launcher features on Linux: what it offers and why use it
Discover the key features of Albert Launcher on Linux and how to use it to launch apps, files, and web searches at top speed.
Orbitiny Desktop for Linux: modular, portable and innovative desktop
Discover Orbitiny Desktop for Linux: a modular, portable environment packed with unique features you won't find in GNOME or KDE.
What is Raspberry Pi Connect software and how to get the most out of it
Discover what Raspberry Pi Connect is, how the official remote access for your Raspberry Pi works, and how to set it up step by step from your browser.
What is dm-verity and how does it protect system integrity?
Discover what dm-verity is, how verified boot works, and how it protects Android and Linux against system tampering.
The worst Linux distributions to avoid if you're starting out
Discover the most problematic Linux distributions and what alternatives to use if you're starting from scratch without complicating your life.
PikaOS, the Linux distribution that makes gaming easy
Discover PikaOS, the Linux distro for gaming with Steam, Proton, and drivers ready to play without complications from the first boot.
Boot profiling with systemd-analyze in Linux
Learn how to analyze and optimize Linux boot times with systemd-analyze: timings, slow services, critical chains, and tricks to speed up your system.
Linux exec command: advanced usage in shell, C and Perl
Learn what exec does in Linux, how to use it in shell, C and Perl, and how to control processes and descriptors with clear examples.
Complete tutorial on the wget command in Linux: a practical guide
Learn how to use wget in Linux: key options, practical examples, and tricks to download files and websites from the terminal like a pro.
Complete tutorial on xargs in Linux to get the most out of it
Learn how to use xargs in Linux with clear examples, key options, and tricks to automate tasks and safely process many files.
How to prevent a command from stopping when closing the terminal in Linux
Learn how to use nohup, disown, & and tmux so that your Linux commands continue running even after you close the terminal or SSH session.
Complete tutorial of the journalctl command in Linux
Learn how to use journalctl step by step: filter, track, and clean systemd, kernel, and service logs to diagnose problems in Linux.
How to send emails from Bash and PowerShell step by step
Learn how to send emails from Bash and PowerShell, avoid modern SMTP errors, and automate notifications with your scripts.
LUKS with auto-unlock via TPM: complete guide and comparison of methods
Configure LUKS with auto-unlock via TPM on Linux. Methods, PCR, security, and key steps explained clearly and practically.
Monitoring performance with eBPF, bpftrace and perf in Linux
Learn how to monitor performance in Linux with eBPF, bpftrace, and perf. Use cases, advantages, and how to combine them in production.
How to list LWPs and processes in Linux and control them in detail
Learn how to list and analyze LWPs and processes in Linux with ps, top, htop, and /proc to monitor performance and resources like a pro.
How to manage Flatpak packages conveniently and securely on Linux
Learn how to manage Flatpak packages on Linux using commands, Warehouse, and Flatseal. Control, security, and convenience step by step.
Scripting in Bash with set -euo pipefail, trap and logging
Learn how to use `set -euo pipefail`, `trap`, and `logging` in Bash to avoid silent errors and create robust, easy-to-debug scripts.
Containers with Podman: a complete guide to pods and volumes
Learn how to use containers with Podman: pods, network, volumes and podman-compose, with advantages over Docker for development and production.
How to free up disk space in Linux step by step
Complete guide to freeing up disk space in Linux: key commands, safe cleaning, kernels, logs and caches, step by step.
Differences between Cron and Anacron in Linux explained in detail
Discover the real differences between Cron and Anacron in Linux and learn when to use each one to automate tasks securely.
How to easily manage AppImage packages in Linux
Learn how to use, integrate, and update AppImage packages in Linux: what they are, advantages, permissions, menu, sandbox, and tricks to master them.
How to find and change the UUID of a drive in Linux
Learn how to view and change the UUID of disks in Linux, adjust /etc/fstab, and avoid boot errors and failed mounts.
How to use AppArmor on Linux and detect script changes
Learn how to protect scripts in Linux with AppArmor and easily detect changes in your code and directories using profiles and hashes.
What is IRQbalance used for in Linux and how does it fit into advanced optimization?
Discover what IRQbalance does in Linux, when it improves performance, and how to integrate it with other advanced network and system settings.
Introduction to basic configurations in SELinux
Learn what SELinux is, its modes, policies and labels, and how to configure it without breaking your Linux services.
How to use Btrfs subvolumes: a complete and practical guide
Learn how to use Btrfs subvolumes, snapshots, RAID, and compression to get the most out of your Linux system safely and flexibly.
How to create a secure and well-configured WSL 2 environment
Configure a secure WSL 2 environment on Windows with best practices for networking, users, and professional development tools.
Complete Resti tutorial for Linux for secure backups
Learn how to use Resti on Linux to create encrypted, automatic, and verified backups locally, via SSH, and to S3-type clouds.
How to schedule tasks with fcron and cron in Linux
Learn to schedule tasks with fcron and cron in Linux, control permissions, logs and performance to automate your system like a pro.
How to tell if you're using X11 or Wayland on Linux
Discover with simple commands whether your Linux uses X11 or Wayland and understand what changes between the two for your applications and your desktop.
How to create a bash script with a graphical menu and interactive interfaces
Learn to create bash scripts with graphical menus and interactive interfaces using dialog, whiptail, and zenity on GNU/Linux.
How to manually check and update firmware from Linux
Learn how to manually check and update firmware from Linux using fwupd, BIOS/UEFI, and manufacturer tools safely.
Practical examples of using nice, renice and ionice in Linux
Learn with clear examples how to use nice, renice, and ionice in Linux to adjust CPU and I/O priorities like an expert administrator.
Complete tutorial of the systemctl command in Linux
Learn to master the systemctl command in Linux: services, objectives, states, and essential tricks for safely managing systemd.
What is cpusets in Linux and how to use it with cgroups
Discover what cpusets is in Linux, how it works with cgroups, and how to use it to isolate and limit CPU and memory from your processes.
What are namespaces on an SSD and how are they used in Linux?
Discover what namespaces are on an NVMe SSD, how they appear in Linux, and their relationship to containers and Kubernetes. A clear and detailed explanation.
RAID ZFS vs mdadm: complete comparison for Linux servers
Discover when to choose ZFS or mdadm for your Linux server: performance, reliability, RAIDZ, RAID10, snapshots, and backups.
NVMe tuning on Linux servers: a complete optimization guide
Learn how to optimize NVMe on Linux servers: kernel, TRIM, file systems, and MySQL to maximize performance.
Download, configure, compile, and install the Linux kernel step by step
Learn how to download, configure, compile, and install the Linux kernel step by step and optimize your system to the fullest without breaking your distribution.
Complete Docker Compose tutorial for orchestrating containers
Learn Docker Compose from scratch: services, networks, volumes, and real-world examples for orchestrating containerized apps.
How to manage your .dotfiles with GNU Stow step by step
Learn how to manage and version your .dotfiles with GNU Stow and Git, step by step, to clone your environment on multiple machines without complications.
How to mount remote file systems with SSHFS step by step
Learn how to mount remote file systems with SSHFS step by step on Linux, macOS, and Windows, using SSH keys and advanced options.
LVM (Logical Volume Manager) Tutorial on Linux
Learn LVM on Linux step by step: PV, VG, LV, snapshots, mirrors, pvmove and troubleshooting real server errors.
How to install Windows games with Steam on Linux
Learn how to play Windows games on Linux using Steam, Proton, Wine, and other tools. A complete guide to gaming on Linux.