CentOS Commands Notes

1. Check routing information

   route
   

2. Configure a service to start automatically on boot.

   chkconfig service_name on
   

3. Check the status of a particular port

   netstat | grep port_num
   

4. nfs related commands. Export all directories listed in /etc/exports.

   exportfs -a
   

   Do not export a directory.

   export -u directory
   

5. Check routing information.

   ip route
   

6. Shut down a bridge

   ifconfig bridge_name down
   

   Delete a brige.

   brctl delbr bridge_name