Ubuntu 18.04 surf2u.com’s server IP address could not be found. DNS_PROBE_FINISHED_NXDOMAIN, Firefox same





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-1















I test:
juan@surf2u:~$ sudo /etc/init.d/dns-clean
juan@surf2u:~$



juan@surf2u:~$ systemctl status networking.service



● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
Active: active (exited) since Mon 2019-04-15 13:00:29 EDT; 12min ago
Docs: man:interfaces(5)
Process: 3761 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=e
Process: 3778 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=
Process: 3776 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [
Main PID: 3778 (code=exited, status=0/SUCCESS)



Apr 15 13:00:29 surf2u systemd[1]: Starting Raise network interfaces...
Apr 15 13:00:29 surf2



juan@surf2u:~$ journalctl -xe



--
-- Unit phpsessionclean.service has begun starting up.
Apr 15 13:09:01 surf2u CRON[4154]: pam_unix(cron:session): session closed for us
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
Apr 15 13:09:02 surf2u systemd[1]: Started Clean php session files.
-- Subject: Unit phpsessionclean.service has finished start-up
-- Defined-By: systemd



-- Support: http://www.ubuntu.com/support



-- Unit phpsessionclean.service has finished starting up.



-- The start-up result is RESULT.
Apr 15 13:10:52 surf2u sudo[4467]: juan : TTY=pts/0 ; PWD=/home/juan ; USER=
Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session opened for us
Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session closed for us
lines 1575-1596/1596 (END)










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    -1















    I test:
    juan@surf2u:~$ sudo /etc/init.d/dns-clean
    juan@surf2u:~$



    juan@surf2u:~$ systemctl status networking.service



    ● networking.service - Raise network interfaces
    Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
    Active: active (exited) since Mon 2019-04-15 13:00:29 EDT; 12min ago
    Docs: man:interfaces(5)
    Process: 3761 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=e
    Process: 3778 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=
    Process: 3776 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [
    Main PID: 3778 (code=exited, status=0/SUCCESS)



    Apr 15 13:00:29 surf2u systemd[1]: Starting Raise network interfaces...
    Apr 15 13:00:29 surf2



    juan@surf2u:~$ journalctl -xe



    --
    -- Unit phpsessionclean.service has begun starting up.
    Apr 15 13:09:01 surf2u CRON[4154]: pam_unix(cron:session): session closed for us
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
    Apr 15 13:09:02 surf2u systemd[1]: Started Clean php session files.
    -- Subject: Unit phpsessionclean.service has finished start-up
    -- Defined-By: systemd



    -- Support: http://www.ubuntu.com/support



    -- Unit phpsessionclean.service has finished starting up.



    -- The start-up result is RESULT.
    Apr 15 13:10:52 surf2u sudo[4467]: juan : TTY=pts/0 ; PWD=/home/juan ; USER=
    Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session opened for us
    Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session closed for us
    lines 1575-1596/1596 (END)










    share|improve this question







    New contributor




    Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      -1












      -1








      -1








      I test:
      juan@surf2u:~$ sudo /etc/init.d/dns-clean
      juan@surf2u:~$



      juan@surf2u:~$ systemctl status networking.service



      ● networking.service - Raise network interfaces
      Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
      Active: active (exited) since Mon 2019-04-15 13:00:29 EDT; 12min ago
      Docs: man:interfaces(5)
      Process: 3761 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=e
      Process: 3778 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=
      Process: 3776 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [
      Main PID: 3778 (code=exited, status=0/SUCCESS)



      Apr 15 13:00:29 surf2u systemd[1]: Starting Raise network interfaces...
      Apr 15 13:00:29 surf2



      juan@surf2u:~$ journalctl -xe



      --
      -- Unit phpsessionclean.service has begun starting up.
      Apr 15 13:09:01 surf2u CRON[4154]: pam_unix(cron:session): session closed for us
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:02 surf2u systemd[1]: Started Clean php session files.
      -- Subject: Unit phpsessionclean.service has finished start-up
      -- Defined-By: systemd



      -- Support: http://www.ubuntu.com/support



      -- Unit phpsessionclean.service has finished starting up.



      -- The start-up result is RESULT.
      Apr 15 13:10:52 surf2u sudo[4467]: juan : TTY=pts/0 ; PWD=/home/juan ; USER=
      Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session opened for us
      Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session closed for us
      lines 1575-1596/1596 (END)










      share|improve this question







      New contributor




      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I test:
      juan@surf2u:~$ sudo /etc/init.d/dns-clean
      juan@surf2u:~$



      juan@surf2u:~$ systemctl status networking.service



      ● networking.service - Raise network interfaces
      Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor prese
      Active: active (exited) since Mon 2019-04-15 13:00:29 EDT; 12min ago
      Docs: man:interfaces(5)
      Process: 3761 ExecStop=/sbin/ifdown -a --read-environment --exclude=lo (code=e
      Process: 3778 ExecStart=/sbin/ifup -a --read-environment (code=exited, status=
      Process: 3776 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] && [
      Main PID: 3778 (code=exited, status=0/SUCCESS)



      Apr 15 13:00:29 surf2u systemd[1]: Starting Raise network interfaces...
      Apr 15 13:00:29 surf2



      juan@surf2u:~$ journalctl -xe



      --
      -- Unit phpsessionclean.service has begun starting up.
      Apr 15 13:09:01 surf2u CRON[4154]: pam_unix(cron:session): session closed for us
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:01 surf2u sessionclean[4156]: PHP Warning: PHP Startup: Unable to
      Apr 15 13:09:02 surf2u systemd[1]: Started Clean php session files.
      -- Subject: Unit phpsessionclean.service has finished start-up
      -- Defined-By: systemd



      -- Support: http://www.ubuntu.com/support



      -- Unit phpsessionclean.service has finished starting up.



      -- The start-up result is RESULT.
      Apr 15 13:10:52 surf2u sudo[4467]: juan : TTY=pts/0 ; PWD=/home/juan ; USER=
      Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session opened for us
      Apr 15 13:10:52 surf2u sudo[4467]: pam_unix(sudo:session): session closed for us
      lines 1575-1596/1596 (END)







      networking network-manager






      share|improve this question







      New contributor




      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 9 hours ago









      Juan Carlos SáezJuan Carlos Sáez

      1




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      New contributor




      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Juan Carlos Sáez is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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