So, it looks like in Ubuntu 16.04 and above, changing the hostname is no longer using the hostname command and editing the /etc/hosts file.

New (at least to me) command hostnamectl is now used.

This command recognizes three different classes of hostname (straight from the man page):

static - The traditional hostname. …

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I wanted to use a VPN on a Linux server (Ubuntu), using Private Internet Access, but without using the PIA client.

Steps

1. Install OpenVPN (I also install curl and net-tools, as I frequently use both):

   sudo apt-get install openvpn curl net-tools
   

2. Get necessary OpenVPN files from Private Internet Access, and copy local …

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