NetworkManager

Here is how to repair your network if you gatal2 tangan remove and change to other networking manager. Usually fedora are equiped with NetworkManager, so those using fedora don't worry be happy. This is if you are using other distros that don't have a network manager.

Open up your terminal@konsole.
First let us set up the main service automatically on boot time. Using init runlevel 3, 4 and 5
chkconfig --level 345 NetworkManager on
service NetworkManager start
Start the network service or reboot.