I am not able to access https://github.com from both browser and console after I installed Ubuntu 16.04 LTS. When I open https://github.com from browser, I get "Your connection is not private" error. From the information provided on ADVANCED tab and by googling the reason I came to know this is due to client (My machine) could not verify the certificate provided by github.com.

I don't know how to update CA chain certificate in Ubuntu to get access to github.com

  • 1
    Maybe your system time is incorrect. I can access to github. – Pilot6 Jul 19 '17 at 9:54
  • 1
    Check your system clock - it's usually the first culprit of something like this when it's way off the actual time – Thomas Ward Jul 19 '17 at 12:00

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