ratna@ip-172-31-3-169:/home/ubuntu/ACE$ sudo apt-get update
Hit:1 https://packages.microsoft.com/ubuntu/16.04/prod xenial InRelease
Hit:2 https://packages.microsoft.com/repos/code stable InRelease
Err:3 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu bionic InRelease
Cannot initiate the connection to ppa.launchpad.net:80 (2620:2d:4000:1::81). - connect (101: Network is unreachable) Could not connect to ppa.launchpad.net:80 (185.125.190.80), connection timed out
Err:4 http://ppa.launchpad.net/ondrej/apache2/ubuntu bionic InRelease
Cannot initiate the connection to ppa.launchpad.net:80 (2620:2d:4000:1::81). - connect (101: Network is unreachable)
Err:5 http://archive.canonical.com/ubuntu bionic InRelease
Cannot initiate the connection to archive.canonical.com:80 (2620:2d:4000:1003::111). - connect (101: Network is unreachable) Cannot initiate the connection to archive.canonical.com:80 (2001:67c:1562::1c). - connect (101: Network is unreachable) Cannot initiate the connection to archive.canonical.com:80 (2620:2d:4000:1003::3c9). - connect (101: Network is unreachable) Could not connect to archive.canonical.com:80 (91.189.91.15), connection timed out Could not connect to archive.canonical.com:80 (185.125.188.87), connection timed out Could not connect to archive.canonical.com:80 (185.125.188.12), connection timed out
W: Some index files failed to download. They have been ignored, or old ones used instead.
