Nepomohlo - pořád neexistuje motd.service.
$ sudo apt-get install --reinstall base-files
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 60.2 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://cz.archive.ubuntu.com/ubuntu bionic-updates/main amd64 base-files amd64 10.1ubuntu2.4 [60.2 kB]
Fetched 60.2 kB in 0s (293 kB/s)
(Reading database ... 106457 files and directories currently installed.)
Preparing to unpack .../base-files_10.1ubuntu2.4_amd64.deb ...
Warning: Stopping motd-news.service, but it can still be activated by:
motd-news.timer
Unpacking base-files (10.1ubuntu2.4) over (10.1ubuntu2.4) ...
Setting up base-files (10.1ubuntu2.4) ...
motd-news.service is a disabled or a static unit, not starting it.
Processing triggers for install-info (6.5.0.dfsg.1-2) ...
Processing triggers for plymouth-theme-ubuntu-text (0.9.3-1ubuntu7.18.04.2) ...
update-initramfs: deferring update (trigger activated)
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for initramfs-tools (0.130ubuntu3.8) ...
update-initramfs: Generating /boot/initrd.img-4.15.0-54-generic
$ sudo systemctl daemon-reload
$ systemctl status motd.service
Unit motd.service could not be found.