$ sudo apt install smc-tools
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
  smc-tools
0 upgraded, 1 newly installed, 0 to remove and 47 not upgraded.
Need to get 68.9 kB of archives.
After this operation, 252 kB of additional disk space will be used.
Get:1 http://ports.ubuntu.com/ubuntu-ports jammy-proposed/universe s390x smc-tools s390x 1.7.0-0ubuntu1.1 [68.9 kB]
Fetched 68.9 kB in 0s (211 kB/s)     
Selecting previously unselected package smc-tools.
(Reading database ... 81454 files and directories currently installed.)
Preparing to unpack .../smc-tools_1.7.0-0ubuntu1.1_s390x.deb ...
Unpacking smc-tools (1.7.0-0ubuntu1.1) ...
Setting up smc-tools (1.7.0-0ubuntu1.1) ...
Processing triggers for man-db (2.10.2-1) ...
Processing triggers for libc-bin (2.35-0ubuntu3.6) ...
Scanning processes...                                                                                                                                                                                              
Scanning candidates...                                                                                                                                                                                             
Scanning processor microcode...                                                                                                                                                                                    
Scanning linux images...                                                                                                                                                                                           

Failed to check for processor microcode upgrades.

Restarting services...
 /etc/needrestart/restart.d/systemd-manager
 systemctl restart packagekit.service ssh.service systemd-journald.service systemd-networkd.service systemd-resolved.service systemd-timesyncd.service systemd-udevd.service
Service restarts being deferred:
 systemctl restart systemd-logind.service
 systemctl restart user@1000.service

No containers need to be restarted.

No user sessions are running outdated binaries.

No VM guests are running outdated hypervisor (qemu) binaries on this host.