Sudo is used for providing access to root (Super admin) commands to non-root users. For example, As an administrator, you…
RPM Stands for Redhat Package Manager. RPM command is used for managing rpm software packages in your linux machine. Using…
I had created this rpm few months back. Now it is available for all users. This rpm have a simple…
GPG basic file encryption doesn’t required public/private key. But to make a encrypted file more secure you can use RSA/DSA…
GNU TAR (Tape ARchive) combines multiple files together into a single tape or disk archive, and can restore individual files…
The zip command is used for compression and file packaging under Linux/Unix operating systems. unzip is used for decompress an…
AS we know, now a days it’s not safe to send and receive data over internet. There are many option…
PostgreSQL is a open source object-relational, highly scalable, SQL compliant database management system. This article will help you for installing…
RNDC controls the operation of a name server. rndc uses tcp connection to communicate with bind server for sending commands…
Command named-checkconf checks the syntax only of a DNS (bind) configuration file. The file is parsed and checked for syntax…