How To

Kubernetes moves fast. The book you bought 18 months ago might still cover the fundamentals, but it probably…

Josphat Mutai Mar 25, 2026

Ubuntu

When multiple Java versions are installed on the same system, only one can be the default. The wrong…

Josphat Mutai Mar 25, 2026

Rocky Linux

Rocky Linux 10 and AlmaLinux 10 ship OpenJDK 25 and OpenJDK 21 in their default AppStream repository. Both…

Klinsmann Öteyo Mar 25, 2026

Databases

PostgreSQL, MySQL, and MariaDB handle the same SQL, but their storage engines, query optimizers, and concurrency models produce…

Josphat Mutai Updated Apr 2, 2026

Ubuntu

JDK 25 landed as the next long-term support release with eight years of patches ahead of it (through…

Klinsmann Öteyo Mar 25, 2026

How To

Picking a web server or reverse proxy used to be a two-horse race between Nginx and Apache. Caddy…

Josphat Mutai Mar 25, 2026

AlmaLinux

If you manage Rocky Linux or AlmaLinux servers, Podman is already waiting for you in the default repos.…

Josphat Mutai Mar 25, 2026

Docker

Containers are stateless by design. Kill one, and it stays dead until something brings it back. That “something”…

Kibet John Mar 25, 2026

Debian

JDK 25 is the new long-term support release, which means it gets security patches and bug fixes until…

Klinsmann Öteyo Mar 25, 2026

How To

When something breaks at 3 AM, journalctl is the first command you reach for. It queries the systemd…

Klinsmann Öteyo Mar 25, 2026

Linux Tutorials

PowerDNS Authoritative Server is one of the more capable open-source DNS servers available, particularly when you need database-backed…

Josphat Mutai Mar 25, 2026

Arch Linux

Every Arch Linux user lives in the terminal, and pacman is the command you type most. This cheat…

Josphat Mutai Mar 25, 2026

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