ESSENTIAL LINUX

Basic Linux command & tips

SSH Root User Login Notification

SSH Root User Login Notification

Hello There   Sometime you need to set SSH root user login notification who is login into your system. Its very easy just make one line command or script & put this into /root/.bashrc file. Step1: Open terminal & first test…

How To Hide  Apache & PHP Version Information.

How To Hide Apache & PHP Version Information.

Hi Everyone…… After default installation of Apache and PHP on Linux server it shows sensitive information (Like as OS information, PHP version information, web server name and their Version information,) to remote user.  Hacker can use this information for DDOS…

Manage Linux Servers Graphically Using Web Based Tool

Manage Linux Servers Graphically Using Web Based Tool

Hello Everyone, In this post we will discuss how to install a small utility named as ajenti that will help to manage linux server via web-browser. I am using a CentOS Server for the installation. Just use below configuration:- [root@centos…

Download You-tube Videos using Firefox Addon

Download You-tube Videos using Firefox Addon

Hello Everyone, In this post we will discuss how to install a small firefox addon to download youtube videos. Just Open Firefox Web-Browser & Select Addon from Tools                A new tab will opened…

How to List all commands in Linux ?

How to List all commands in Linux ?

Hello Everyone, in this post we will see how to list all available commands inside linux. When we deal with command line, it really becomes difficult to remember each & every command, In order to come out of it we…

How to Compare two files in Linux?

How to Compare two files in Linux?

Hello Everyone, in this post we will discuss how to compare two files in linux. Although most of you would be aware of diff command, but there’s one more way to compare two files, it can be done through colordiff command,…

IP Address Calculator in Linux

IP Address Calculator in Linux

Hello everyone, In this post we will discuss how to use a small utility for Calculating host addresses ranges using Linux Command prompt. We are using small utility named as sipcalc to serve our purpose. Run below Commands:- root@how2install:~# apt-get…