Tecadmin published a tutorial about installing Apache ActiveMQ on Ubuntu 22.04.
TechRepublic showing you how to deploy a CockroachDB cluster in secure mode.
TechRepublic published a tutorial about how to create and manage Docker networks with Portainer.
The guide explains how to install Steam on Pop! OS 22.04 LTS using a few terminal commands, beginning with updating the system’s package lists and applying any pending upgrades. It then walks through installing the official steam‑installer package (which adds Valve’s APT source and pulls required 32‑bit libraries), launching Steam for its first‑run setup, and optionally adding a third‑party PPA to install the beta client. Finally, it suggests common post‑install tweaks—such as installing libgl1-mesa-dri:i386 and steam-devices—to resolve missing OpenGL drivers or controller detection issues.
The guide shows how to install any of JetBrains PyCharm’s three official editions on Ubuntu 22.04 LTS using either Snap or Flatpak, avoiding stale .deb packages and unreliable third‑party PPAs. It walks through enabling snapd and installing the desired edition with sudo snap install … --classic for full system access, then explains adding Flathub, pulling the appropriate com.jetbrains.PyCharm-* package via Flatpak, and launching it with flatpak run. Both methods keep each edition isolated (so licenses don’t leak) and automatically manage dependencies, while manual update commands (snap refresh … or flatpak update …) let you stay current if you prefer not to rely on auto‑updates. The result is a clean, up‑to‑date PyCharm installation ready for coding on Ubuntu 22.04.
TecMint showing you how to limit number of connections (requests) in NGINX.
DebugPoint published an overview of the five best Mastodon clients for Ubuntu.
Vitux published a tutorial about how to customize your Ubuntu Terminal Prompt.
FOSS Linux published 15 basic Linux networking commands you should know.
Vitux published 5 ways to edit PDF files in Ubuntu.
TechRepublic published a tutorial about how to deploy OrangeHRM as a virtual appliance.
Installing Java on Ubuntu 22.04 is presented as a quick, step‑by‑step guide that lets everyday developers get a Spring Boot app up and running in minutes. The article recommends the free, open‑source OpenJDK from Ubuntu’s official repository and warns against Oracle JDK because its installer requires extra keys and can create licensing headaches. After updating the package list, the tutorial shows how to install the default JDK (OpenJDK 17 on 22.04), verify that `java` and `javac` work, and confirm they are in your `$PATH`. Finally, it explains how power users can switch between Java 8, 11, or newer versions with `update-alternatives` and optionally set a permanent `JAVA_HOME` by editing `/etc/profile.d/java.sh`.
The guide explains how to install Microsoft’s core TrueType fonts on Ubuntu 22.04 LTS so that LibreOffice, browsers and other applications render Word documents and web pages exactly as they appear on Windows. It walks through enabling the multiverse repository, updating apt, installing the ttf‑mscorefonts‑installer package (accepting Microsoft’s license), refreshing the font cache with fc-cache, and verifying the fonts with fc-list. Optional tweaks for subpixel rendering are also mentioned, but the essential steps ensure the system can use Arial, Times New Roman, Verdana and other Microsoft fonts without fallback substitutions.
Howtoforge published an OpenSSH security hardening guide for Linux.
TechRepublic published a tutorial showing you how to do a full install of Mattermost on Ubuntu Server 22.04.
Vitux published a tutorial about configuring networking with Netplan on Ubuntu.
The guide walks a fresh Rocky 8 user through getting SnapCraft installed so they can build snap packages without the usual “you’ll have to do X, then Y” detours. It starts by listing simple prerequisites—root or sudo rights, an internet connection, and a clean OS—and then shows how to enable EPEL, install snapd with dnf, and start its socket daemon. After verifying that snapd is running, it installs SnapCraft with the classic confinement flag, checks the version to confirm success, and points out common hiccups such as missing PATH updates or socket failures. Finally, it offers a quick path for adventurous users who want the bleeding‑edge build from source by pulling in development tools, cloning the repo, and compiling into /usr/local/bin.
OMG! Ubuntu! is showing you how to upgrade to Pop!_OS 22.04 LTS.
The guide explains how to replace Ubuntu 22.04’s default kernel with the performance‑oriented XanMod kernel by adding its signed repository, updating apt, and installing the desired flavor (stable or real‑time). It stresses preparing a backup, having sudo access, and verifying the new kernel after a reboot using uname -r, while also showing optional tweaks such as setting the CPU governor to “performance” and cleaning old kernels. Instructions for reverting are included: boot an older Ubuntu kernel from GRUB, then remove the XanMod packages with apt remove and refresh GRUB. Overall, the article demonstrates that installing XanMod is a straightforward apt‑based process that can yield lower latency and higher frame rates, yet remains easily reversible if problems arise.
The passage provides a concise, step‑by‑step tutorial for installing Beekeeper Studio on Ubuntu 22.04 LTS by adding the official APT repository, importing its GPG signing key, updating package lists, and finally running sudo apt install beekeeper-studio. It explains why using the upstream repo is preferable to Snap or manual .deb files—offering newer features, automatic security updates, and fewer dependency headaches—and warns about common pitfalls such as incorrect key permissions or missing public‑key warnings. An optional verification step (beekeeper-studio --version) and a note on removing any lingering Snap installation are included to ensure the correct version is running. After completing these four commands, users have a ready‑to‑use SQL client for MySQL, PostgreSQL, SQLite, and other databases directly from Ubuntu’s desktop or terminal.
