Security

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.

sudo stands for SuperUser DO, and it’s used to temporarily elevate privileges in Linux. This guide will show you several ways that sudo command can be used.

Learn how to use iptables commands and see how iptables works. By following the instructions listed in this article, you'll get a better understanding of network packets, and can configure basic rules for your system and set up ports on the firewall to meet your security needs.

This article explains why ERR_SSL_VERSION_OR_CIPHER_MISMATCH occurs and the best approach for resolving this SSL error.

Squid is a Linux-based proxy application that can be used for filtering traffic, security, DNS lookups, and speeding up a web server by caching resources. This guide will walk you through setting up and installing Squid Proxy on Ubuntu.

This guide outlines 22 essential practices for securing a server and includes a convenient checklist for easy reference.

This article explains three methods of generating SSH keys on a Windows system. Create SSH keys using the PuTTY tool, OpenSSH client utility, or via WSL.

The file permission feature specifies how much power each user has over a given file or directory. This tutorial explains how to read and change Linux file or directory permissions.