Debian no internet access after reboot

Troubleshoot

After reboot VPS, No internet connection. Login into VNC and figure out eth0 disapper.

Here is the magic to fix, because DHCP assigned ip fail cause this issue.


ifconfig # No eth0 interface
ifconfig -a    # eth0 found, but no IP address assigned
dhclient eth0    # Grab new IP again 
ifconfig # Fix