All Articles
Browse all Linuxize tutorials, guides, and references.
How to Convert Strings to Integers in Python
Convert strings to integers in Python with int(), handle invalid input, remove separators, and parse binary, octal, and hexadecimal values.
How to Add Swap Space on Ubuntu
This article explains how to add swap space on Ubuntu by creating, enabling, and persisting a swap file.
How to Change Hostname on Ubuntu
This article explains how to set or change the hostname on Ubuntu without restarting the system, using either the command line or GUI.
How To Set or Change Timezone on Ubuntu
This article describes how to set or change the timezone on Ubuntu using the command line or the desktop settings app.
How to Configure Static IP Address on Ubuntu
This guide explains how to set up a static IP address on Ubuntu servers and desktop systems using Netplan or GNOME Settings.
How to Install Apache on Ubuntu 26.04
This tutorial will guide you through the process of installing and managing the Apache web server on Ubuntu 26.04. You will learn how to install Apache, open HTTP and HTTPS ports in the firewall, and set up virtual hosts.
How to Install Java on Ubuntu 26.04
Learn how to install OpenJDK and Oracle JDK on Ubuntu 26.04. Covers Java 26, 25, and other LTS versions.
How to Install PHP on Ubuntu 26.04
Learn how to install PHP 8.5 on Ubuntu 26.04 with Apache or Nginx. Includes PHP-FPM setup, common extensions, and installing other PHP versions.
How to Install Nginx on Ubuntu 26.04
Install and configure Nginx on Ubuntu 26.04, allow web traffic through the firewall, and manage the Nginx service.
Chmod Recursive: Change File Permissions Recursively in Linux
The chmod -R option changes permissions recursively on all files and directories. This guide covers numeric and symbolic modes, the find command, and common permission patterns.
How to Install PostgreSQL on Ubuntu 26.04
Install PostgreSQL 18 on Ubuntu 26.04, create roles and databases, and configure remote access.
chmod Command in Linux: Change File and Directory Permissions
The chmod command changes file and directory permissions in Linux. This guide covers what chmod 755, 644, 700, and 600 mean, how to use symbolic and numeric modes, and how to apply permissions recursively.
How to Install MySQL on Ubuntu 26.04
Installing and securing MySQL 8.4 on Ubuntu 26.04. Covers root authentication, creating users, and enabling remote access.
How to Install Docker on Ubuntu 26.04
Install Docker on Ubuntu 26.04 from the official Docker repository. Covers repository setup, verification, running without sudo, updates, and uninstall steps.
scp Command in Linux: Secure File Transfer Examples
SCP copies files securely between local and remote hosts over SSH. This guide covers syntax, common options, and practical examples for everyday file transfers.
How to Install Node.js and npm on Ubuntu 26.04
Three ways to install Node.js and npm on Ubuntu 26.04: NodeSource repository, nvm, and default Ubuntu packages.
gzip Command in Linux
Step-by-step examples for compressing and decompressing files with the gzip command in Linux, covering the most useful options.
How to Check if a File or Directory Exists in Bash
This guide explains how to check if a file or directory exists in Bash using test and if statements, with clear examples for common file checks.
How to Upgrade to Ubuntu 26.04
This guide explains how to upgrade Ubuntu 25.10 to Ubuntu 26.04 LTS today, and when Ubuntu 24.04 LTS systems become eligible for the standard upgrade path.
Cut Command in Linux
The Linux cut command extracts fields, bytes, or characters from text files and pipeline output. Covers delimiter-based field selection, byte and character ranges, and practical examples.
