How to see Ip Address in Linux Machine

Command to see memory space on Linux in GB

Command to see Memory Space available in GB on Linux df -h How to start restart linux: just enter restart How to start Mysql on Centos Linux server: /etc/init.d/mysqld start Restart Mysql on Linux Centos: /etc/init.d/mysqld restart Stop Mysql on Linux Centos: /etc/init.d/mysqld stop Check status of Mysql on Linux Centos: /etc/init.d/mysqld status How to […]

How to edit or write a file in Linux

To open a file vi filename to edit file press insert or i and to exit escape :wq!  exit without write anything escape:q!

How to see configuration of a Linux system

All configuration files are located in proc files on Linux. To see CPU Info on Linux, see below command cat proc/cpuinfo To see Memory Info on Linux, see below command cat proc/meminfo or free -m or free -g