How to start Mysql on Linux

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!

Few linux commands which are helpful

To download a file wgett urloffile To see log file contents , run time file tail -f filename To return back from file ctrl+c To edit a file vi filename return back :q!  or :wq! to insert in file use insert key

How to see Ip Address in Linux Machine

Just type below on command prompt of Linux /sbin/ifconfig  or  /sbin/ifconfig | less  You can see the IP address.