How to configure Fail2Ban to secure your Linux server
Fail2Ban is an open-source intrusion prevention tool that scans server log files and bans IP addresses after repeated failed login attempts.It’s...
How to use Bash array in scripting: A complete guide
A Bash array is a structure in the Bash programming language that lets you group and index items, which can be strings or numbers. It helps you work...
The Linux file command: how to use it to determine a file type
In UNIX-like systems, file names can be entirely different from their actual types. In some cases, they don’t even have valid extensions....
How to use the Linux time command: all you need to know
Whether you’re a system administrator or a virtual server hosting (VPS) user, learning various Linux commands will help you execute tasks more...
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FTP is the standard method of transferring files or other data between computers, but it’s becoming more and more outdated in today’s...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 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...
How to use the tar command in Linux
The tar command in Linux simplifies file management by enabling efficient archiving and compression.Originally designed for tape archives, it has...
How to use the Linux cat command
The cat command is one of the most useful commands in Linux – it is used for displaying, combining, and manipulating text files.Its versatility...