All Articles
Browse all Linuxize tutorials, guides, and references.
How to Truncate Files in Linux: Empty Files Without Deleting
Empty a file without deleting it using shell redirection or the truncate command. Covers permissions, sudo workarounds, and truncating log files.
How to Install Git on Debian 13
Step-by-step instructions for installing and configuring Git on Debian 13 Trixie using apt or by compiling from source.
pgrep Command in Linux: Find and Filter Running Processes
The pgrep command finds running processes by regex pattern, user, terminal, or parent PID and prints matching PIDs. This guide covers exact matching, filtering options, and script-friendly exit checks.
unlink Command in Linux: Remove a Single File
The unlink command removes a single file by deleting its directory entry. This guide explains how to use unlink, how it differs from rm, and what to expect when removing files and symbolic links.
How to Change the SFTP Port
SFTP runs on SSH port 22 by default. This guide explains how to change the SFTP port on Linux, configure your firewall for the new port, and connect using the updated port number.
uniq Command in Linux: Remove and Count Duplicate Lines
The uniq command removes or counts duplicate adjacent lines in a file. This guide explains how to filter duplicates, count occurrences, and use uniq with sort in pipelines.
How to Install Git on Raspberry Pi
Install and configure Git on Raspberry Pi OS using apt or build the latest version from source. Includes configuration steps, troubleshooting, and FAQ.
How to Install TeamViewer on Ubuntu 24.04
Step-by-step instructions for installing TeamViewer on Ubuntu 24.04. Covers downloading the .deb package, launching the application, keeping it up to date, and removing it.
groupdel Command in Linux: Delete a Group
Learn how to delete a Linux group using the groupdel command. Covers syntax, verification, handling primary group errors, and what happens to files owned by the deleted group.
top Command in Linux: Monitor Processes in Real Time
The top command displays running processes and system resource usage in real time. This guide covers sorting, filtering, load metrics, and key interactive controls.
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.
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.
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.
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.
