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agusmakmun/DNS-PROBE-Ubuntu.md

Last active January 22, 2017 02:27
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DNS-PROBE-Ubuntu.md

For Ubuntu

These errors indicate that there is some problem with DNS.

  • check cat /etc/resolv.conf for your DNS settings.
  • And add following name server in /etc/resolv.conf for temporary or in /etc/resolvconf/resolv.conf.d/head for permanent
nameserver 8.8.8.8
nameserver 8.8.4.4

  • To add these two name server address in resolv.conf

    • run command sudo gedit /etc/resolv.conf
    • Copy above two line of nameserver paste on last line of resolv.conf
    • Ctrl+S to save.

  • Note: If you add name server only /etc/resolv.conf then when computer is restarted then /etc/resolv.conf is in previous stage. So, to store these nameservers permanently, use following method :

    • run command sudo gedit /etc/resolvconf/resolv.conf.d/head
    • Copy above two lines of nameserver and paste on last line of /etc/resolvconf/resolv.conf.d/head
    • Ctrl+S to save.
    • Re-connect internet connection

More Detail On https://wiki.archlinux.org/index.php/Network_Debugging#DNS_Servers

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