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apps-online/dns_config.md

Created August 23, 2023 17:06
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DNS config.
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dns_config.md

DNS config

1 - Check the nsswitch.conf file

grep hosts /etc/nsswitch.conf

  • files = /etc/hosts

  • dns = /etc/resolv.conf

2 - Edit hosts file

nano /etc/hosts

3 - Edit hostname file

nano /etc/hostname

4 - Edit resolv.conf file

nano /etc/resolv.conf

5 - Leave the file unchanged or chattr -i /etc/resolv.conf to undo the immutation

chattr +i /etc/resolv.conf

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