[ubuntu] : stop auto update name server in /etc/resolve.conf

stop-auto-update-resolve.conf.txt

[Command] :
  1. sudo apt-get install dnsmasq
  2. sudo apt-get install network-manenger
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[Solution[one]] :
  1. nano /etc/dnsmasq.conf
  2. add dns server ip in dnsmasq.conf :
  -ex :server=ipaddress
       server=8.8.8.8
       server=8.1.8.1
  3. service dnsmasq restart
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[Solution[two]] :
  1. nano /etc/NetworkManager/NetworkManager.conf
  2. add this line blow [main]  :
      dns=none  
  3. service network-manager restart
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[reference] :
https://unix.stackexchange.com/questions/128220/how-do-i-set-my-dns-when-resolv-conf-is-being-overwritten/163506#163506