How to Disable Network Manager

February 20, 2018 , 5:31 pm

The Network Manager service automates the network’s settings and disrupts connections to the IP addresses that reside in the ipaliases module.

Disable the Network Manager service

To disable the Network Manager service, perform the following steps:

1.) Disable Network Manager with the following commands:

Disable NetworkManager on CentOS 6, CloudLinux 6, Red Hat Enterprise Linux 6 (RHEL),

service NetworkManager stop

chkconfig NetworkManager off

Disable NetworkManager on CentOS 7, CloudLinux 7,

systemctl stop NetworkManager.service

systemctl disable NetworkManager.service

2.) Change to the /etc/sysconfig/network-scripts directory.

Open each configuration file with your preferred text editor and set the following keys’ values:

NM_CONTROLLED=no

ONBOOT=yes

3.) Run the following commands to restart the network:

Restart the network on CentOS 6, CloudLinux 6, RHEL 6

chkconfig network on

service network start

Restart the network on CentOS 7, CloudLinux 7, or RHEL 7

systemctl enable network.service

systemctl start network.service

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