Introduction How to Configure the System Timezone on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]
Introduction How to Install Jenkins on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. This tutorial […]
MySQL 8 is one of the most widely deployed relational database systems in the world, offering robust performance, strong security features, and broad application compatibility. On RHEL 8, MySQL is not included in the default AppStream modules, so you must add the official MySQL community repository before installing. This guide walks through adding the MySQL […]
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install kubeadm and set up a kubernetes cluster on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow […]
Introduction This guide explains how to Install PostgreSQL on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]
Introduction This guide explains how to Install Cockpit Web Console on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with the […]
How to Configure Docker Networking on RHEL 7 Docker provides a powerful networking model that allows containers to communicate with each other, with the host, and with the outside world in a secure and configurable way. Out of the box, Docker creates a default bridge network and manages its own iptables rules to control traffic […]
Introduction Deploying install and configure isc dhcp server on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites […]
Prometheus is a widely adopted open-source monitoring system that collects time-series metrics by scraping HTTP endpoints. Nginx does not expose Prometheus-format metrics natively, but the official nginx-prometheus-exporter bridges the gap by reading Nginx’s built-in stub status page and converting it into a format Prometheus understands. This tutorial shows how to enable the stub status module […]
Introduction This guide explains how to Install Elasticsearch on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the standard repositories […]
