Articles

About the ps and kill commands

Linux is a multitasking, multi-user system that allows all the processes to run simultaneously...
An A-Z Index of the Linux BASH command line

a alias Create an alias apropos Search Help manual pages (man -k) apt-get Search...
Changing The SSH Port

While there are many ways to make sure your server is as secure as possible there are some...
How can I compress files/folders via SSH?

Data compression helps lower the original size of a folder or a file, ultimately reducing disk...
How to Disable Root User Login via SSH?

Step 1: Login to system as root user. Don’t worry, you will be using root account for remote...
How to Set Up ModSecurity with Apache on Debian/Ubuntu?

The Apache web servers highly support customization and can be configured in multiple ways to...
How to check CPU temperature in Linux?

Device temperature control is, therefore, significant. Most of the time, your laptop computer...
How to fix SSH permission denied error?

Secure Shell Protocol (SSH) is a cryptographic network protocol for operating network services...
How to install SSH ( secure shell ) service on Kali Linux

Requirements Privileged access to your Kali Linux installation or Live system is required....
Securing Communications in a Three-tier Rails Application Using SSH Tunnels

Web applications are often architected with three distinct tiers: The first tier is the...
The mtr command

The mtr(my traceroute) command, originally named Matt's traceroute, is a computer program that...
Updating WHM/cPanel to latest version from the command line

Occasionally, WHM or cPanel might experience errors that can only be resolved by updating the...
Useful SSH Putty Commands

1) To find out your present working directory: pwd 2) To change the directory: cd Here,cd:...
Warning: Remote Host Identification Has Changed

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST...
What is SSH Default Port and how to change it?

Secure Shell (SSH), known as Secure Socket Shell, is a UNIX-based command interface and protocol...