This quick guide walks you through installing Docker on Ubuntu 22.04 by first removing any old remnants, updating the system, and adding Docker’s official GPG key and repository so that you get the latest stable packages. After those preparatory steps, it shows how to install the Docker Engine along with optional buildx and compose plugins, then verifies the installation with a simple hello‑world container run. It also recommends adding your user to the docker group to avoid having to prefix every command with sudo, which can save you time after the first deployment. With everything in place, Docker should be up and running on your machine in under fifteen minutes, and any hiccups can usually be traced back through the service logs or community forums.
If you’re looking for a lightweight hack friendly text editor that stays open source on Ubuntu, this guide walks you straight through the steps from installing build tools to grabbing Atom’s latest .deb release.
It begins by reminding users to pull curl and gnupg so they can fetch and verify Atom’s signing key before any download takes place.
After downloading the deb package, the tutorial shows how to validate its signature with GPG, install it with dpkg or apt‑get for missing dependencies, and finally launch the app from either the launcher or a terminal command.
The article also offers alternative containerised options via Snap and Flatpak, lists common pitfalls like missing binaries or permission errors, and ends with a quick recap encouraging you to jump into your next coding sprint.
This article offers a concise, under‑ten‑minute walkthrough for installing GitKraken on Ubuntu 20.04 using the official .deb package. It starts by listing straightforward prerequisites—sudo access and an internet connection—and reminds readers to keep their system updated before grabbing the 64‑bit build from GitKraken’s website with wget. The core instruction is a single apt command that installs the local .deb file and automatically resolves dependencies, which the guide stresses is safer than using dpkg directly. After launch, the user signs into their preferred Git hosting service, can immediately confirm connectivity by cloning a repository, and the piece also highlights common pitfalls such as downloading the wrong architecture or failing to run apt update that could otherwise cause installation errors.
Tecadmin published a tutorial about how to check IPv4 Address on Ubuntu 22.04.
The guide explains how a chroot jail can confine SSH sessions to a limited directory tree, protecting the rest of the system even if a user gains shell access. It walks through creating a minimal file hierarchy under /srv/chroot/ssh, copying only the essential binaries and libraries, setting root ownership and restrictive permissions so sshd will accept the session. By editing sshd_config with a Match User block that specifies ChrootDirectory, disables TCP and X11 forwarding, and forces internal‑sftp, it keeps users locked in an SFTP‑only sandbox while still allowing file transfers. The post also covers practical steps for adding a test user, restarting the daemon, troubleshooting common errors like missing /dev/null or improper permissions, and notes when a chroot is overkill if SSH is not exposed to the Internet.
Tecadmin published a tutorial about installing KDE Desktop Environment on Ubuntu.
Linux Shout published a tutorial about installing VMware Workstation Player on Ubuntu 22.04 LTS.
Linux Shout published a tutorial about installing VirtualBox on Ubuntu 22.04 LTS Jammy.
It's FOSS showing you how to install h.264 decoder on Ubuntu Linux.
FOSS Linux published a tutorial about how to create an animated GIF on Ubuntu.
LinuxLinks published an overview of four open source JavaScript object-relational mapping software.
DebugPoint published a tutorial showing you how to remove Snap packages in Ubuntu Linux.
NextGenTips published a quick tutorial about how to install Envoy Proxy on Ubuntu 22.04.
Linux Hint showing you how to Install Blender 3D on Ubuntu 22.04.
Linux Shout published 3 ways to install Slack in Ubuntu 22.04 LTS Jammy.
Linux Shout is showing you how to install Adobe Acrobat Reader DC on Ubuntu 22.04 LTS Jammy.
Linux Shout published a tutorial about installing Basemark GPU Benchmark on Ubuntu 22.04 Linux.
The guide explains how to manage Ubuntu 22.04’s AppArmor security system by checking its status with systemctl, toggling individual profiles into “complain” mode using aa-complain (and later back to enforcement with aa-enforce) for selective debugging, and completely stopping or masking the AppArmor daemon via systemctl stop/mask when broader troubleshooting is needed. It also shows how to restore protection by unmasking, starting, and enabling the service at boot. Additionally, it warns common mistakes such as forgetting to reload edited profiles with apparmor_parser -r or using masking for temporary stops. A concise cheat‑sheet of commands for each action rounds out the tutorial.
The guide explains how to install and use the lightweight command‑line load tester Siege on Ubuntu 22.04, starting with a simple apt update && apt install siege and confirming the installation via siege --version. It then shows how to create a URL list (e.g., urls.txt) and run a basic benchmark with options such as -c10 -t30S -f urls.txt, interpreting the concise summary output that includes transaction rate, concurrency, and error counts. Optional flags like --keep-alive, -d for delays, and --csv for exporting results are suggested to make tests more realistic and easier to analyze. Common pitfalls such as missing SSL libraries or firewall rules blocking outbound traffic are highlighted so users can avoid “connection timed out” errors.
The guide explains how to replace Debian 11’s default MariaDB 10.5 with the newer 10.8 by adding MariaDB’s official repository, importing its signing key, and updating APT sources. It then walks through installing the mariadb‑server package, securing the installation with mysql_secure_installation, and verifying the installed version. It also advises clearing stale caches if apt cannot find the package and shows how to enable, start, and check the service status. Following these steps results in a fully functional MariaDB 10.8 server on Bullseye.
