Nothing happened and everything seems fine...
shutdown -r now
On boot, the box reports:
Welcome to Ubuntu 18.04.5 LTS (GNU/Linux 4.15.0-45-generic x86_64)
...
36 packages can be updated.
30 updates are security updates.
Running apt-get upgrade gives:
The following packages have been kept back:
fwupd fwupdate fwupdate-signed libfwup1 libgl1-mesa-dri libreoffice-avmedia-backend-gstreamer libreoffice-base-core
libreoffice-calc libreoffice-core libreoffice-draw libreoffice-gnome libreoffice-gtk3 libreoffice-impress libreoffice-math
libreoffice-ogltrans libreoffice-writer libxatracker2 linux-generic linux-headers-generic linux-image-generic netplan.io
python3-software-properties python3-uno software-properties-common software-properties-gtk
0 upgraded, 0 newly installed, 0 to remove and 25 not upgraded.
The latest LTS version (at the time of writing) is 20.04.1 (see https://wiki.ubuntu.com/Releases). So I could do an:
apt-get dist-upgrade
But I should really do a full backup and everything first, so that isn't going to happen today.
==Update Wordpress==