This article covers how to fix DHCP Client Error: mv cannot move. This DHCP error indicate that dhclient (Dynamic Host Configuration Protocol Client) is not able to update your name resolution configuration file /etc/resolv.conf.
To fix this DHCP error:
1. Run dhclient as root user
Use sudo command to run dhclient, enter:
$ sudo dhclient eth0
2. Make sure /etc/resolv.conf is not write protected
Use lsattr, command to view file attributes:
$ lsattr /etc/resolv.conf
Clear i attribute, enter:
$ sudo chattr -i /etc/resolv.conf
3. Now run dhclient again to update file and to obtained new IP address.