I had created this rpm few months back. Now it is available for all users. This rpm have a simple…
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GPG basic file encryption doesn’t required public/private key. But to make a encrypted file more secure you can use RSA/DSA…
AS we know, now a days it’s not safe to send and receive data over internet. There are many option…
RNDC controls the operation of a name server. rndc uses tcp connection to communicate with bind server for sending commands…
What is Checken/Egg Problem. Chicken/Egg problem occurred in booting process of Linux. A Linux kernel required modules to mount root…
Its a good practice to enable email alerts in your keepalived configuration. By using this keepalived service will always inform…
HTTPD (Hypertext Transfer Protocal Deamon) is a web server widely used with CentOS and Redhat Linux.It serves the webpages on…
A shell is a command line interpreter. Its a special program which takes input from standard input devices, convert it…
Being a system administrator you have all responsibilities to maintain your systems. A system admin is a person having good…
Security of data and server from hackers is a main task of system administration services. Below is few basic security…