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On ubuntu 15.10 while browsing with firefox or chrome i randomly get this error and then i have no internet unless i reconnect to the wifi (or reboot)

the error > DNS_PROBE_FINISHED_NO_INTERNET

Does anyone has any idea of how to properly troubleshoot this? I found a few articles but couldnt fix it still, so Its driving me crazy and desperated. help please

  • this resolution didnt work for me
  • i have another laptop at home with lubuntu and that one is fine.
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  • I too have the similar problem for so long. What did you get in journalctl logs when the problem happens? – Gayan Weerakutti Nov 14 '15 at 15:38
  • this is what i get when i run journalctl pastebin.com/RSzmB5U9 – Alejandro Ramos Nov 14 '15 at 15:45
  • You should either paste the entire log or use the end -e flag journalctl -e when it happens – Gayan Weerakutti Nov 14 '15 at 15:48
  • sorry, this is the output of journalctl -e while the error appears pastebin.com/dpKGXNfh im trying to check with half duplex and if there is proper compatibility with the NIC on 15.10 – Alejandro Ramos Nov 14 '15 at 16:48
  • a friend cleared it out: lspci -v says i have a realtek rtl8723be so i just need to * create /etc/modprobe.d/rtl8723be.conf file and edit it to this line: * options rtl8723be fwlps=0 – Alejandro Ramos Nov 14 '15 at 22:28
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1 # lspci -v to check your network card / driver in use

2 # echo options rtl8723be fwlps=0 | tee /etc/modprobe.d/rtl8723be.conf

3 - change router to WPA2-AES

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