All Articles
Browse all Linuxize tutorials, guides, and references.
usermod Command in Linux: Modify User Accounts and Groups
The usermod command modifies user account attributes such as groups, shell, home directory, username, and expiry date. This guide covers all common options with examples.
How to Get and Change the Current Working Directory in Python
Use os.getcwd() to get the current working directory in Python, and os.chdir(path) to change it. This guide covers both the os and pathlib approaches with examples.
sort Command in Linux: Sort Lines of Text
The sort command sorts lines of text files alphabetically or numerically. This guide covers sorting by column, reverse order, unique lines, and combining sort with other commands.
wall Command in Linux: Broadcast Messages to Logged-In Users
The wall command broadcasts a message to the terminals of all logged-in users in Linux. This guide covers sending messages from arguments, files, and pipes, with group targeting and banner control.
How to Increment and Decrement a Variable in Bash: Counter Examples
Bash provides several ways to increment and decrement a counter variable in scripts. This guide covers the +/- operators, += and -= assignment operators, and the ++ and -- shorthand with practical examples.
journalctl Command in Linux: Query and Filter System Logs
journalctl queries the systemd journal and lets you filter logs by unit, time, priority, boot, and process. This guide covers the most useful journalctl options with practical examples.
stat Command in Linux: Display File and Filesystem Information
The stat command displays detailed file and filesystem information in Linux, including size, permissions, inode number, and timestamps. This guide covers all major stat options with examples.
How to Create Groups in Linux: groupadd Command
This guide explains how to create groups in Linux using the groupadd command, including how to set a custom GID, create system groups, and manage group options.
touch Command in Linux: Create Files and Update Timestamps
The touch command creates empty files and updates file timestamps in Linux. This guide covers access time, modification time, custom timestamps, and reference file usage.
Bash Arrays
A complete guide to Bash arrays: create indexed and associative arrays, access elements, loop, slice, add and remove items, and check array length.
Rsync Command in Linux with Examples
Learn how to use the rsync command to sync files and directories locally and remotely. Covers common options, remote transfers, dry run, exclusions, and troubleshooting.
Linux patch Command: Apply Diff Files
The patch command applies diff files to original files in Linux. This guide covers basic usage, strip paths, dry run, backup, and reversing patches with examples.
Timeout Command in Linux
The timeout command runs a specified command and terminates it after a given time limit. This guide covers syntax, signal handling, exit codes, and practical examples for scripts and pipelines.
How to Compare Strings in Bash
Bash string comparison using equal, not equal, regex, and pattern matching operators. Includes examples for empty strings, case-insensitive matching, and substrings.
How to Check the MySQL Version
Several ways to check which MySQL or MariaDB version is running on your system, including the command line, MySQL shell, and PHP.
How to Delete a MySQL Database on Linux via Command Line
The DROP DATABASE command permanently removes a MySQL or MariaDB database and all its tables. This guide covers the syntax, safe deletion with IF EXISTS, and using mysqladmin.
How to Manage MySQL Databases and Users from the Command Line
A practical reference for managing MySQL databases and user accounts from the command line, covering CREATE, DROP, GRANT, REVOKE, and password changes.
How to Show a List of All Databases in MySQL
Step-by-step guide to listing databases in MySQL and MariaDB using SHOW DATABASES, SHOW SCHEMAS, and the information_schema, with filtering and command-line examples.
How to Create and List Local and Remote Git Branches
Create and list Git branches with git branch and git switch, including remote branches, creating from a commit, pushing to remote, and branch filtering.
How to Change a Git Remote's URL
Change a Git remote URL with git remote set-url, switch between HTTPS and SSH, set separate push and fetch URLs, and verify the change.
