Linux

Knowledge base 14 May 2026

Ubuntu Subscription Types

The article explains the different Ubuntu subscription types, focusing on Ubuntu Pro, which offers extended security updates and additional tools. It highlights the benefits for various environments and notes that a free tier is available for personal and small business use.

Knowledge base 6 May 2026

Linux "top" command

The "top" command is essential for Linux system administrators, offering real-time monitoring and management of processes and resource usage. It features an interactive interface that provides detailed insights into system performance and allows process termination.

Knowledge base 24 Jul 2023

Import Moodle database to a new server

Learn how to import a Moodle database to a new server using specific MySQL commands and track progress for large files with the "pv" command.

Knowledge base 24 Jul 2023

Moving moodledata from one server to another using rsync

Learn how to efficiently transfer your moodledata directory to a new server using the rsync tool, with detailed command options to optimise the process and exclude unnecessary directories.

Knowledge base 18 Jul 2023

Firewall Ports for Active Directory Domain Join

The article outlines the essential and optional firewall ports needed for joining an Active Directory domain, including TCP 88 for Kerberos and TCP 135 for RPC. It highlights the importance of opening high TCP ports to avoid RPC server errors.

Knowledge base 7 Nov 2022

Ubuntu SNMP install and configuration

Learn how to install and configure SNMP on Ubuntu, including backing up and creating a new configuration file, setting community strings, and starting the SNMPD service.

Knowledge base 24 Oct 2022

Ubuntu 22.04 Server Installation Steps

This guide walks you through installing Ubuntu 22.04 Server, covering steps from booting with the ISO to setting up user details and network configurations. Ideal for those setting up a server for the first time.

Knowledge base 4 Jul 2022

How to convert a certificate into the appropriate format

This article provides detailed instructions on using OpenSSL to convert certificates between various formats such as PEM, DER, P7B, and PFX, including command examples for each conversion.

Knowledge base 29 Jun 2022

Ubuntu - Join Windows Active Directory Domain with Samba Winbind

Learn how to join an Ubuntu system to a Windows Active Directory domain using Samba Winbind for SSH authentication. The article provides step-by-step instructions, including necessary configurations and testing commands.

Knowledge base 27 Jun 2022

Redirections, Pipes & Permissions in Linux

Guide to use redirections, Pipes and a summary of file permissions in Linux. Useful to manage a Linux installation.

Knowledge base 27 Jun 2022

Linux Commands Quick Reference Guide

This quick reference guide provides a concise overview of essential Linux commands, covering file operations, system management, and network configuration. Ideal for beginners and experienced users needing a refresher.

Knowledge base 27 Jun 2022

Linux Commands in brief - File structure and meanings

Discover the Linux file structure and understand the purpose of each directory, from essential binaries to user files and system configurations. Ideal for beginners looking to navigate and manage their Linux system effectively.