====== Ubuntu 20.04 ======
===== Check DNS =====
Check that your ''/etc/netplan/'' file includes IPv4 DNS in addition to IPv6
===== Post Setup =====
<code>sudo apt install traceroute net-tools</code>
===== MOTD =====
Set ''ENABLED=1'' to ''ENABLED=0'' in ''/etc/default/motd-news'' to disable MOTD adverts.
<code>sudo vi /etc/default/motd-news</code>
Comment out the lines in ''/etc/update-motd.d/10-help-text'' to hid the documentation links.
<code>sudo vi /etc/update-motd.d/10-help-text</code>
===== Disable IPv6 Privacy Extensions =====
Add the following to /etc/netplan/00-.... Remember you must specify an IPv6 gateway.
Remember, this must go just after the interface address.
<code>dhcp4: false
dhcp6: false
accept-ra: false</code>