kazulog@sv1:~$ systemctl --version | head -2
systemd 259 (259.5-0ubuntu3.4)
+PAM +AUDIT +SELINUX +APPARMOR +IMA +IPE +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 +PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK +BTF -XKBCOMMON -UTMP +SYSVINIT +LIBARCHIVE
kazulog@sv1:~$ systemctl list-units --type=service --state=running --no-pager
  UNIT                        LOAD   ACTIVE SUB     DESCRIPTION
  chrony.service              loaded active running chrony, an NTP client/server
  cron.service                loaded active running Regular background program processing daemon
  dbus.service                loaded active running D-Bus System Message Bus
  getty@tty1.service          loaded active running Getty on tty1
  ModemManager.service        loaded active running Modem Manager
  multipathd.service          loaded active running Device-Mapper Multipath Device Controller
  networkd-dispatcher.service loaded active running Dispatcher daemon for systemd-networkd
  polkit.service              loaded active running Authorization Manager
  rsyslog.service             loaded active running System Logging Service
  serial-getty@ttyS0.service  loaded active running Serial Getty on ttyS0
  ssh.service                 loaded active running OpenBSD Secure Shell server
  systemd-journald.service    loaded active running Journal Service
  systemd-logind.service      loaded active running User Login Management
  systemd-networkd.service    loaded active running Network Management
  systemd-resolved.service    loaded active running Network Name Resolution
  systemd-timedated.service   loaded active running Time & Date Service
  systemd-udevd.service       loaded active running Rule-based Manager for Device Events and Files
  udisks2.service             loaded active running Disk Manager
  unattended-upgrades.service loaded active running Unattended Upgrades Shutdown
  user@1000.service           loaded active running User Manager for UID 1000

Legend: LOAD   → Reflects whether the unit definition was properly loaded.
        ACTIVE → The high-level unit activation state, i.e. generalization of SUB.
        SUB    → The low-level unit activation state, values depend on unit type.

20 loaded units listed.
kazulog@sv1:~$ systemctl --failed --no-pager
  UNIT LOAD ACTIVE SUB DESCRIPTION

0 loaded units listed.
kazulog@sv1:~$ ls -d /var/log/journal /run/log/journal 2>&1
/run/log/journal  /var/log/journal
kazulog@sv1:~$ journalctl --disk-usage
Archived and active journals take up 72M in the file system.
kazulog@sv1:~$ systemctl is-active ssh
active
kazulog@sv1:~$ systemctl is-enabled ssh ssh.socket
disabled
enabled