Ubuntu: How to diagnose and fix a slow boot time
Introduction Nothing is as frustrating as a slow boot time when you want to get started with your work or tasks on Ubuntu. This guide aims to provide…
Ubuntu: How to auto-start a service on system boot
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…
Ubuntu: How to set permissions for a directory and its subdirectories
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…
Ubuntu: How to set up and configure firewall (UFW)
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…
Ubuntu: How to open/close a port in firewall (UFW)
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….
Ubuntu: How to create a user with sudo privileges
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…
Ubuntu: How to Change the Root Password
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….
Ubuntu: How to find and kill a process that is using a specific port
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…
Soft and Hard Links in Linux: The Ultimate Guide
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…
How to set up and configure Ubuntu in Raspberry Pi
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…