Ubuntu 18.04 Server gotchas

  • I was playing with the new Ubuntu 18.04 server this morning.  A couple of gotchas to be aware of:

    During installation, it will prompt you for network details, IP4 vs IP6.  IP6 is disabled by default.  Yet when you boot up after installation and try to run apt update, it tries to connect via IP6.  You have to manually edit your apt config or system config to disable IP6.

    During the same network stage, it will also prompt you for a web proxy in the usual form http://proxy:port/.  Yet again, after bootup, attempts to use apt all fail until you manually add the proxy address to apt.conf.

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