Follow these steps to disabled networkmanager on centos 7. lets start..
- To check which are the interfaces managed by NetworkManager
# nmcli device status
- Stop the NetworkManager service:
# systemctl stop NetworkManager
- Disable the service permanently:
# systemctl disable NetworkManager
- To confirm the NetworkManager service has been disabled
# systemctl list-unit-files | grep NetworkManager
- Add the below parameter in /etc/sysconfig/network-scripts/ifcfg-ethX of interfaces
that are managed by NetworkManager to make it unmanaged.
NM_CONTROLLED=”no”
- Set the DNS servers to be used by adding into the file: /etc/resolv.conf :
nameserver [server 1]
nameserver [server 2]
- Enable the network service
# systemctl enable network
- Restart the network service
# systemctl restart network
Check the Network Status again.
# nmcli device status
Watch the video tutorial for better understanding.
YouTube channel: https://www.youtube.com/@trainbrain007