You need to be root to perform this command



Linux Training, Computer Configuration GNU Linux Fedora using Linux CommandHave you encounter this "You need to be root to perform this command." output when you try to execute Linux command.  Yes the output say it all, you need to be root... some command only can be execute by root user only... so you need to be root...
be root
[fedora10@fedora ~]$ yum update squid
Loaded plugins: dellsysidplugin2, refresh-packagekit
You need to be root to perform this command.
[fedora10@fedora ~]$


how to be root on Linux shell?
1. you just login as root user and... walaaaa you are root... or
2. use su command to change surrent user to root user as on example below
root

[fedora10@fedora ~]$ su -
Password:  <--key in root user password here
[root@fedora ~]#   <--indication that you are root and ready to execute command