root@armadillo:~# systemctl status hostapd
● hostapd.service - Access point and authentication server for Wi-Fi and Ethern>
     Loaded: loaded (/lib/systemd/system/hostapd.service; enabled; preset: enab>
     Active: active (running) since Sat 2025-02-22 11:00:45 JST; 3 days ago
       Docs: man:hostapd(8)
    Process: 2661 ExecStart=/usr/sbin/hostapd -B -P /run/hostapd.pid $DAEMON_OP>
   Main PID: 2718 (hostapd)
     Memory: 3.1M
     CGroup: /system.slice/hostapd.service
             mq2718 /usr/sbin/hostapd -B -P /run/hostapd.pid /etc/hostapd/hosta>

Feb 22 11:00:44 armadillo systemd[1]: Starting hostapd.service - Access point a>
Feb 22 11:00:45 armadillo hostapd[2661]: wlan0: interface state UNINITIALIZED->>
Feb 22 11:00:45 armadillo hostapd[2661]: wlan0: AP-ENABLED
Feb 22 11:00:45 armadillo systemd[1]: Started hostapd.service - Access point an>
Feb 22 11:00:49 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 IEEE 802.>
Feb 22 11:00:49 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 RADIUS: s>
Feb 22 11:00:49 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 WPA: pair>
Feb 23 11:06:37 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 WPA: grou>
Feb 23 21:46:02 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 IEEE 802.


root@armadillo:~# systemctl stop hostapd
root@armadillo:~# systemctl status hostapd
○ hostapd.service - Access point and authentication server for Wi-Fi and Ethern>
     Loaded: loaded (/lib/systemd/system/hostapd.service; enabled; preset: enab>
     Active: inactive (dead) since Fri 2025-02-28 08:44:04 JST; 7s ago
   Duration: 5d 21h 43min 18.895s
       Docs: man:hostapd(8)
    Process: 2661 ExecStart=/usr/sbin/hostapd -B -P /run/hostapd.pid $DAEMON_OP>
   Main PID: 2718 (code=exited, status=0/SUCCESS)

Feb 23 11:06:37 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 WPA: grou>
Feb 23 21:46:02 armadillo hostapd[2718]: wlan0: STA a8:03:2a:e6:64:a4 IEEE 802.>
Feb 28 08:44:04 armadillo systemd[1]: Stopping hostapd.service - Access point a>
Feb 28 08:44:04 armadillo systemd[1]: hostapd.service: Deactivated successfully.
Feb 28 08:44:04 armadillo systemd[1]: Stopped hostapd.service - Access point an>
Notice: journal has been rotated since unit was started, output may be incomple>

root@armadillo:~# systemctl start hostapd
root@armadillo:~# systemctl status hostapd
● hostapd.service - Access point and authentication server for Wi-Fi and Ethern>
     Loaded: loaded (/lib/systemd/system/hostapd.service; enabled; preset: enab>
     Active: active (running) since Fri 2025-02-28 08:44:24 JST; 7s ago
       Docs: man:hostapd(8)
    Process: 12117 ExecStart=/usr/sbin/hostapd -B -P /run/hostapd.pid $DAEMON_O>
   Main PID: 12131 (hostapd)
     Memory: 748.0K
     CGroup: /system.slice/hostapd.service
             mq12131 /usr/sbin/hostapd -B -P /run/hostapd.pid /etc/hostapd/host>

Feb 28 08:44:24 armadillo systemd[1]: Starting hostapd.service - Access point a>
Feb 28 08:44:24 armadillo hostapd[12117]: wlan0: interface state UNINITIALIZED->
Feb 28 08:44:24 armadillo hostapd[12117]: wlan0: AP-ENABLED
Feb 28 08:44:24 armadillo systemd[1]: hostapd.service: Can't open PID file /run>
Feb 28 08:44:24 armadillo systemd[1]: Started hostapd.service - Access point an>
Feb 28 08:44:27 armadillo hostapd[12131]: wlan0: STA a8:03:2a:e6:64:a4 IEEE 802>
Feb 28 08:44:27 armadillo hostapd[12131]: wlan0: STA a8:03:2a:e6:64:a4 RADIUS: >
Feb 28 08:44:27 armadillo hostapd[12131]: wlan0: STA a8:03:2a:e6:64:a4 WPA: pai>
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