The centos system cannot resolve the address after modifying the dns

Question:

The ping is different when pinging www.baidu.com

cat /etc/resolv.conf

When viewed, the following content will appear:

In addition to modifying the dns address, there will also be a physical machine gateway address, and this address will be added every time the network is restarted.

(Recommended tutorial: centos usage tutorial)

Solution:

yum -y remove NetworkManager
systemctl restart network
cat /etc/resolv.conf

The content of the file /etc/resolv.conf is

ping www.baidu.com

Successful visit!

Recommended related video tutorials: linux video tutorial

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