DevOps

Introduction As a Linux administrator or user, you may need to ensure that certain services automatically start up every time your system boots. This could be a web server, a database service, or any custom application that you need to......

Introduction Managing permissions is a fundamental aspect when working with Linux-based systems like Ubuntu. Permissions determine what actions users and groups can perform on files and directories. In this tutorial, we’re going......

Overview Linux servers like Ubuntu often need to be secured with a firewall. Ubuntu comes with a firewall configuration tool called UFW – Uncomplicated Firewall. UFW is a user-friendly interface to the core iptables firewall,......

Introduction Managing network ports is a fundamental aspect of securing a Linux server. In Ubuntu, the Uncomplicated Firewall (UFW) provides a user-friendly way to configure your firewall settings. This tutorial walks you through the......

When working with Ubuntu, one of the fundamental tasks you’ll undertake is managing users and their privileges. Specifically, it’s often necessary to create a user with sudo privileges for tasks that require superuser access.......

Ubuntu, like other Linux distributions, is known for its robust security model, which is significantly bolstered by the use of passwords for user accounts, including the root account. Despite security advice against routinely using the......

Introduction In the world of software development and network administration on Ubuntu or any UNIX-like system, working with network ports is a common task. Alternatively, processes may start and stop unexpectedly, leaving certain......

Introduction Understanding file links is fundamental for effective file management and data organization in Linux. Soft and hard links are two types of shortcuts to files that serve different purposes and exhibit distinct behaviors.......

Introduction Setting up Ubuntu on a Raspberry Pi can breathe new life into this compact and versatile computing platform. With Ubuntu, you gain access to a wider range of software and services that can enhance your Pi experience. This......

Introduction Switching between users on your Ubuntu system is a common operation when the machine is used by multiple people or when several user accounts exist for different tasks or permissions. Learning how to switch users can help......

Overview In Ubuntu, as with any Linux distribution, managing user accounts is a fundamental part of system administration. Ensuring security through accountability often requires administrators to set policies on user accounts,......

Working with Ubuntu, one of the ways you can troubleshoot issues or monitor the performance of your applications is by viewing log files generated by the system or these applications. Logs provide a timeline of events, errors, and system......