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How to Install and Configure Prometheus and Grafana on Ubuntu

Accuracy note — 13 October 2026: This guide’s pinned Prometheus and node_exporter downloads are historical examples. Select a maintained release and verify its checksum using the official Prometheus downloads. Keep…

Adminhint August 2, 2023

Linux

Configure Squid Proxy On Ubuntu 20.04

Accuracy note — 13 October 2026: Ubuntu 20.04 ended standard security maintenance in May 2025. Use a supported Ubuntu release for new installations, or confirm appropriate Ubuntu Pro coverage for…

Adminhint June 16, 2023

Linux

Setup OpenVPN client for Windows

Accuracy note — 13 October 2026: The supported operating-system list has been corrected using OpenVPN’s Windows documentation. Use a Windows release that still receives security updates and import profiles only…

Adminhint June 10, 2023

Linux

30 Linux Commands Every Beginner Should Know

Learn 30 essential Linux commands for navigating files, managing processes, checking system resources, troubleshooting networks, and working safely in the terminal.

Adminhint June 5, 2023

Linux

How to setup Nginx with PHP-FPM on Ubuntu 23.04

Accuracy note — 13 October 2026: This is a historical Ubuntu 23.04 example. That release reached end of life on 25 January 2024; do not use it for a new…

Adminhint June 1, 2023

Linux

How to change Domain name in Virtualmin

Change Domain name in Virtualmin involves several key steps to ensure a smooth transition. First, log in to your Virtualmin control panel and navigate to the "Server Configuration" section. From…

Adminhint May 20, 2023

Linux

PHP INFO: How check PHP Version on a Site

Accuracy note — 13 October 2026: A public phpinfo() page can reveal server paths, configuration and request data. Prefer WordPress Tools → Site Health → Info → Server for routine…

Adminhint May 28, 2022