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[CentOS 7.1] ping does not have a domain name

2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Network Security >

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Shulou(Shulou.com)06/01 Report--

Phenomenon: 1. Ping cannot access domain names, such as www.qq.com

two。 You can ping ip, such as 61.135.157.156

Analysis: 1. Check the DNS configuration file / etc/resolve.conf. The server address in it is wrong.

two。 Modify the DNS configuration file, restart the network service, and restore to the wrong file

3. The root cause lies in:

3.1) NetworkManager control is enabled for the network card.

3.2) DNS1 is written incorrectly in the configuration file of the network card

Solution: in the configuration file of the network card, write DNS1 correctly!

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