I am having issue when configuring proxy configuration in Ubuntu 16.04. I have done these steps but still it is not working.
/etc/apt/apt.conf
Acquire::http:: proxy "http://10.16.0.2:8080/";
Acquire::ftp:: proxy "ftp://10.16.0.2:8080/";
Acquire::https:: proxy "https://10.16.0.2:8080/";
Then...