systemctl list-units --type=service --state=runningUNIT LOAD ACTIVE SUB DESCRIPTION
alsa-state.service loaded active running Manage Sound Card State (restore and store)
avahi-daemon.service loaded active running Avahi mDNS/DNS-SD Stack
bluealsa.service loaded active running BluezALSA proxy
bluetooth.service loaded active running Bluetooth service
containerd.service loaded active running containerd container runtime
cron.service loaded active running Regular background program processing daemon
dbus.service loaded active running D-Bus System Message Bus
dhcpcd.service loaded active running dhcpcd on all interfaces
docker.service loaded active running Docker Application Container Engine
[email protected] loaded active running Getty on tty1
hciuart.service loaded active running Configure Bluetooth Modems connected by UART
lighttpd.service loaded active running Lighttpd Daemon
ModemManager.service loaded active running Modem Manager
NetworkManager.service loaded active running Network Manager
polkit.service loaded active running Authorization Manager
rng-tools.service loaded active running rng-tools.service
rsyslog.service loaded active running System Logging Service
ssh.service loaded active running OpenBSD Secure Shell server
systemd-journald.service loaded active running Journal Service
systemd-logind.service loaded active running Login Service
systemd-timesyncd.service loaded active running Network Time Synchronization
systemd-udevd.service loaded active running udev Kernel Device Manager
triggerhappy.service loaded active running triggerhappy global hotkey daemon
udisks2.service loaded active running Disk Manager
unattended-upgrades.service loaded active running Unattended Upgrades Shutdown
[email protected] loaded active running User Manager for UID 1000
[email protected] loaded active running User Manager for UID 999
wpa_supplicant.service loaded active running WPA supplicant
xrdp-sesman.service loaded active running xrdp session manager
xrdp.service loaded active running xrdp daemon
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.
30 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
view details of a particular service (e.g cron.service)
systemctl status cron.service● cron.service - Regular background program processing daemon
Loaded: loaded (/lib/systemd/system/cron.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2021-07-25 01:24:01 BST; 21h ago
Docs: man:cron(8)
Main PID: 339 (cron)
Tasks: 1 (limit: 3862)
CGroup: /system.slice/cron.service
└─339 /usr/sbin/cron -f
Jul 25 22:10:01 raspberrypi CRON[22601]: pam_unix(cron:session): session closed for user root
Jul 25 22:17:01 raspberrypi CRON[22706]: pam_unix(cron:session): session opened for user root by (uid=0
Jul 25 22:17:01 raspberrypi CRON[22710]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Jul 25 22:17:01 raspberrypi CRON[22706]: pam_unix(cron:session): session closed for user root
Jul 25 22:20:01 raspberrypi CRON[22763]: pam_unix(cron:session): session opened for user root by (uid=0
Jul 25 22:20:01 raspberrypi CRON[22767]: (root) CMD ( PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole u
Jul 25 22:20:01 raspberrypi CRON[22763]: pam_unix(cron:session): session closed for user root
Jul 25 22:30:01 raspberrypi CRON[22971]: pam_unix(cron:session): session opened for user root by (uid=0
Jul 25 22:30:01 raspberrypi CRON[22975]: (root) CMD ( PATH="$PATH:/usr/sbin:/usr/local/bin/" pihole u
Jul 25 22:30:01 raspberrypi CRON[22971]: pam_unix(cron:session): session closed for user root