In this quick tutorial I will share some vim basics. Vim is a powerful text editor used in CLI (command line interface). As there are lots of configuration files in gnu/linux, which are all in clear text format, you’ll often need…

Today I wanted to change date and time on one of my server quickly from command line. I am aware with command line options but every time I want to do it, I need to read man page or help…

This how-to will show how to disable a user account under linux. This might be useful in the situation where you don’t want to permanently remove the user, but you just want it disabled and no longer able to use…

find is very famous and regularly used command to find files in the Linux/UNIX filesystem based on various different conditions. Let us review some practical examples of find command. All system administrators love this command, sometimes a life saver.. Syntax:…

How do I change MySQL root password under Linux, Debian, centos, fedora, suse, mandrake, linux-mint, Ubuntu, FreeBSD, OpenBSD and UNIX like operating system over ssh / telnet session? Setting up mysql password is one of the essential tasks. By default…

$stat <file name> command basically displays file or file-system status. stat command is used to find Access , Modify, Change date and time for any file or directory in Unix like operating systems. e.g $stat /root/install.log File: `/root/install.log' Size: 17154…

What is PHP? <?php … ?> PHP (Hypertext Preprocessor) is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. PHP is a scripting language designed to fill the gap between SSI…

sed is stream editor for filtering and transforming text. Sed  is a stream editor.  A stream editor is used to perform basic text transformations on an input stream (a file or input from  a  pipeline). While  in  some  ways similar…

PostgreSQL database server installation and configuration in debian / ubuntu Introduction : PostgreSQL is a fully featured object-relational database management system. It supports a large part of the SQL standard and is designed to be extensible by users in many…