Cron job explained: Syntax, scheduling, and best use cases
A cron job is a time-based scheduler in Unix-like operating systems, such as Linux and macOS. It automates repetitive tasks like backups, system...
Iptables tutorial: securing VPS with Linux firewall
Iptables is a Linux firewall tool that lets you control which traffic reaches your VPS by configuring rules for allowing, blocking, forwarding, and...
Basic SSH commands: SSH command examples, options, and cheat sheet
SSH commands let you securely connect to a remote server, run Linux commands, transfer files, manage SSH keys, and troubleshoot server access from the...
How to change permissions and ownership in Linux
Properly managing Linux file permissions and ownership is essential for safety, especially when multiple administrators manage one server. Moreover,...
Top 60 Linux commands
A Linux command is a text instruction entered in the terminal to make the operating system perform a specific task, such as listing files, managing...
How to change the timezone in Ubuntu (3 easy methods)
Using the correct date and time on your Ubuntu system is essential for tasks and processes such as data logging, cron jobs, and the overall management...
How to edit the sudoers file to obtain and manage root privileges
The sudoers file is a critical configuration file in Linux and Unix-like operating systems that controls user privileges. It defines who can execute...
How to use SFTP (ssh file transfer protocol)
FTP is the standard method of transferring files or other data between computers, but it’s becoming more and more outdated in today’s...
Linux sed command: How to use and practical examples
The Linux sed command lets you find, replace, insert, and delete lines in a file without opening it using a text editor. Suitable for piped input and...
Linux touch command: what it is + examples of how to use it to modify timestamps
People usually associate the touch command in Linux with creating files. However, like many other Linux commands, it offers much broader...