How to Install and Configure VNC on Ubuntu 18.04
Installing Desktop Environment Most servers don’t have a desktop environment installed, so we’ll start by installing a lightweight desktop environment. There are several desktop environments (DE) available in Ubuntu repositories.…
Linux : How to tune up receive (TX) and transmit (RX) buffers on network interface
Modern and performance/server grade network interface have the capability of using transmit and receive buffer description ring into the main memory. They use direct memory access (DMA) to transfer packets…
Ways to use sed command
View selected lines of a document/file # sed -n ‘9,20p’ file.txt View the entire file except selected lines # sed ‘21,40d’ file.txt Replacing words or characters in a file #…
How To Create a Sudo User on CentOS
Sudo is a command that enables programs to be implemented as a root user. Sudo runs commands provided to it with the privileges of a root user. You can use…
How to install webmin on centos 6
Webmin is a web-based graphical tool for unix . It is used to manage services like User management, Disk managemet, Network, Iptables ( Firewall ), Cron, Apache, DNS, File sharing…
How to Install svn server on centos 6
SVN – Apache subversion SVN – Subversion is a versioning and revision control system used by developers to track and keep up earlier versions of their source codes. Update yum…
How to install/enable iptables on CentOS 7
On CentOS 7, FirewallD a default firewall management tool is enabled. In order to install iptables, we need FirewallD from server: # systemctl stop firewalld # systemctl disable firewalld #…
How to install FFmpeg on CentOS 7
FFmpeg is a free and open-source project consisting of a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams. It contains libavcodec,…
How To Add Swap Space on CentOS 7
Swap is a space on a disk that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, inactive pages are…