How to solve the problem that CentOS cannot ping the domain name
Problem: CentOS can ping the IP address, but cannot ping the domain name.
Analysis:
1. Check the DNS configuration file /etc/resolv.conf to see if the server address in it is wrong;
2. Modify DNS configuration file and restart the network service.
Solution: Edit the /etc/resolv.conf file and add the correct DNS address
Recommended learning: CentOS usage tutorial
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