Changing IP address of SVN Host (Server)

Daily i am using SVN for code submitting to my superiors  but one day unfortunately i am try to submit code to SVN but it showing some error after some i identified my SVN system IP address is changed .

I don't know to change IP old to new IP address for that solution is following command line we can change IP address of SVN

$svn switch  relocate http://old_ip_address/svn/project_name http://new_ip_address/svn/project_name

above command working in Ubuntu terminal