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Browse all Linuxize tutorials, guides, and references.
Python Tuples: Create, Access, Slice, and Unpack
Work with Python tuples: how to create, access, slice, unpack, and loop over them, plus how tuples differ from lists and when to use each.
How to Undo Last Git Commit
Undo the last Git commit with git reset or git revert, and pick the right option to keep your changes, discard them, or safely undo a pushed commit.
hostnamectl Command in Linux: Set and Query Hostname
Use hostnamectl to view and change the Linux hostname. Covers static, transient, and pretty names, system metadata, remote hosts, and common errors.
How to Setup a Git Server
Run your own private Git server over SSH on Linux. This guide covers installing Git, creating the git user, adding SSH keys, and pushing your first repository.
How to Change Root Password in Ubuntu Linux
Set or change the root password on Ubuntu using sudo passwd, switch to the root account, and understand why root login is disabled by default.
host Command in Linux: DNS Lookup
The host command is a simple DNS lookup tool. This guide covers forward and reverse lookups, querying specific record types, using a chosen name server, and reading the output.
IPv4 vs IPv6: Differences Explained
IPv4 and IPv6 are the two versions of the Internet Protocol. This guide explains how they differ in addressing, header format, and features, with a side-by-side comparison.
pidof Command in Linux: Find Process IDs by Name
The pidof command finds the process ID (PID) of a running program by name. This guide explains how to use pidof, its options, and how to pair it with kill to manage processes.
Linux Pipes Explained: How to Use the | Operator
Linux pipes connect command output to another command's input. Learn the | operator, pipefail, stderr piping, xargs, named pipes, and process substitution.
Linux Time Command
This guide shows how to use the Linux time command to measure execution time, explains real/user/sys, and covers Bash, Zsh, and GNU time.
How to Add User to Sudoers in Debian
Grant sudo privileges in Debian by adding a user to the sudo group or configuring a custom sudoers rule with visudo. Covers Debian 12 and 13.
Uptime Command in Linux
The uptime command shows how long a Linux system has been running, the number of logged-in users, and the load averages for the last 1, 5, and 15 minutes.
How to Deploy a Node.js Application on Ubuntu 26.04
Deploy a Node.js application on Ubuntu 26.04 using PM2 as the process manager and Nginx as a reverse proxy, with a Let's Encrypt TLS certificate.
How to Connect to MySQL through SSH Tunnel
Securely connect to a remote MySQL or MariaDB server over an SSH tunnel with local port forwarding, with steps for Linux, macOS, and Windows (PuTTY).
Bash Array Operations: Length, Search, Slice, and Reverse
Practical Bash array operations for checking length, finding values, slicing, reversing, iterating, appending, prepending, and removing elements.
pnpm Command: Install and Manage Node.js Packages
This pnpm command guide covers installation, project setup, dependency management, scripts, lockfiles, npm migration, and workspace filtering.
Cron Every 5 Minutes: 5, 10, and 15-Minute Crontab Examples
Run cron every 5 minutes with */5 * * * *. This guide also covers 10 and 15-minute crontab expressions, testing, logging, and overlap prevention.
