Making Sudo work Smart!! – sudo without password prompt

This is a Video that shows how to configure sudo in such a manner that it should not prompt the user to enter the password again. For a text version of this post,… Continue reading →

Using IPTables to limit the number of connections – VIDEO!!

Video showing how to use IPTables to limit the number of TCP connections to your linux machine. Its a very generalized configuration and can be applied to any server configuration. God Bless.

Shell Script taking Time bound Input !!

Here is a simple shell script that will take the input from user keyboard and displays it on the screen. But the idea is not that!!! Idea is to show you, how to… Continue reading →

100% result in RHCSS exam

Network NUTS is proud to share 100% result in RHCSS (EX423) exam conducted on 10/05/2010. Network NUTS congratulates all the students for their hard work. Mr. Kumar Shantanu Mr. Sandeep Kumar Mr. Akshay… Continue reading →

How to protect your important file from accidental deletion, in Linux!! A Video

Video by Network NUTS, showing how to use “chattr” command to secure your important file from being deleted accidentaly. God Bless Alok Srivastava

Hacking password protected “single user” mode in Linux

Single user mode can be protected by appending this line in /etc/inittab su:S:wait:/sbin/nologin if this line is present in the /etc/inittab – the machine will ask for root p@$$word Hack while booting p@$$… Continue reading →