[Bug 1730672] Re: Proxy settings not applied system-wide, are not used by Software Update or apt

[daniel]

I installed a fresh copy of 18.04 from an iso too and the issue is still
persisting, the proxy issue is preventing us to deploy an important
machine for our organization will there be a fix for this issue soon?

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https://bugs.launchpad.net/bugs/1730672

Title:
  Proxy settings not applied system-wide, are not used by Software
  Update or apt

Status in gnome-control-center package in Ubuntu:
  Confirmed
Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  The Network Proxy settings available under Settings/Network are not applied system wide. Unlike 16.x, there is no "apply system wide" setting. Setting a proxy here:
  - does not modify /etc/environment
  - does not set root's http_proxy, https_proxy, ftp_proxy environment variables 

  This means that apt and Software Updates do not receive the proxy
  settings, and package checks/updates/installs fail.

  
  workaround:

  sudo http_proxy='http://[username]:[password]@[webproxy]:[port]' apt
  update

  etc

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