Ubuntu Commands
Table of Contents
Misc. Ubuntu commands.
Remove Pre-installed
If you don't know what they are …
apt purge cloud-* snapd whoopsie* unattended-upgrades ubuntu-advantage-tools
If not using LVM, LXC/LXD
apt purge lvm2 lxd lxcfs
If completely rely on journald.
apt purge rsyslog libestr0 libfastjson4
Get Version
lsb_release -r
Change Timezone
dpkg-reconfigure tzdata
Check Upstream DNS
Ubuntu/Systemd use systemd-resolver for dns lookup and /etc/resolve.conf no longer show the actual upstream dns. Use following to check.
systemd-resolve --status