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Disable the automatic DNS...

Disable the automatic DNS configuration function of the NIC

Created: May 18, 2022 07:44:50Latest reply: May 18, 2022 08:01:33 168 3 1 0 0
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Hello, friend!

I want to disable the automatic DNS configuration function of the NIC on ECS, and I want the configuration to be permanent. Can you help me?

Thanks!


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olive.zhao
Admin Created May 18, 2022 08:01:33

Hello, xianxian!

1. Log in to the VM OS using any method, open the VM console, and edit the NICfile.
vi /etc/sysconfig/network-scripts/ifcfg-ethxxx
2. Add PEERDNS=no and save the settings.
3. Restart the network service for the modification to take effect.
systemctl restart network

4. Modify the /etc/resolv.conf file as required.

Hope this helps!

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olive.zhao
olive.zhao Admin Created May 18, 2022 07:52:59

Hello, friend!

What's the OS of your ECS?

Wait for your feedback!

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xianxian
xianxian Created May 18, 2022 07:58:05

RHEL 7 ECS.
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olive.zhao
olive.zhao Admin Created May 18, 2022 08:01:33

Hello, xianxian!

1. Log in to the VM OS using any method, open the VM console, and edit the NICfile.
vi /etc/sysconfig/network-scripts/ifcfg-ethxxx
2. Add PEERDNS=no and save the settings.
3. Restart the network service for the modification to take effect.
systemctl restart network

4. Modify the /etc/resolv.conf file as required.

Hope this helps!

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