Security

This guide covers practical SSH commands such as specifying a username for your connection, using a different port number, generating SSH key pairs, and much more.

Ubuntu comes pre-installed with a firewall configuration tool, UFW (Uncomplicated Firewall). This tutorial shows you how to disable and enable an Ubuntu UFW firewall using the command line.

Need to transfer files between two machines securely? Try the SSHFS client, which mounts a remote file system directly to your local machine and uses the SSH file transfer protocol.

This article explains how to identify brute force attacks and lists 8 security measures you can take to prevent them and improve overall server security.

This article explains how to create a new MySQL non-root user and grant various types of privileges.

Setting file and directory permission properly is important in multi-user systems such as Linux. You can set permission recursively using the chmod or find command and grant privileges or restrict access in a single command.

This article demonstrates 3 distinct methods used to port forward SSH connections. It examines the syntax of the individual commands and teaches you everything you need to know to implement SSH port forwarding successfully.

This article presents a detailed overview of the 12 best alternatives to PuTTY.

The .htaccess file in Apache is a tool that allows configurations at the directory and subdirectory level. Using a .htaccess file will let you configure website details without altering server configuration files. This tutorial will show you how to set up and enable .htaccess on Apache.

Tracking and managing running processes is an important part of Linux administration. This tutorial shows different methods you can use to list running processes in Linux.