In redhatlinux, IP addresses can be pinged, and domain names cannot be pinged.

In redhatlinux, IP addresses can be pinged, and domain names cannot be pinged at/etc/resolv. the format of the vertex added in conf is as follows: nameserverxxx. xxx. xxx. xxxnameserverxxx. xxx. xxx. the IP address after xxx is the address of the dns server. you can add multiple addresses such as name... in redhat linux, IP addresses can be pinged, and domain names cannot be pinged at/etc/resolv. the format of the vertex added in conf is as follows: nameserver xxx. xxx. xxx. xxx nameserver xxx. xxx. xxx. the IP address after xxx is the address of the dns server. you can add multiple addresses, such as nameserver 202.106.46.151, and then service network restart