How do I check the processes a user is running using loginctl on redhat?

[blackrhino]

Also see:
systemd-logind.service(8), systemd-logind(8) - Login manager
What is the purpose of the systemd-logind daemon?

This checks all processes for a user session.

$ loginctl user-session training
training (1000)
           Since: Tue 2020-03-17 07:28:09 EDT; 5h 59min ago
           State: active
        Sessions: 4 *2
          Linger: no
            Unit: user-1000.slice
                  ├─session-2.scope
                  │ ├─2226 gdm-session-worker [pam/gdm-password]
                  │ ├─2260 /usr/bin/gnome-keyring-daemon --daemonize --login
                  │ ├─2271 /usr/libexec/gdm-wayland-session gnome-session
                  │ ├─2275 /usr/libexec/gnome-session-binary
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