I also tried to execute the following command and got the following feedback:
`root@py233:~# systemctl status nginx
● nginx.service - LSB: starts the nginx web server
Loaded: loaded (/etc/init.d/nginx; generated)
Active: failed (Result: exit-code) since Thu 2023-06-08 09:48:18 EDT; 13h ago
Docs: man:systemd-sysv-generator(8)
Process: 349 ExecStart=/etc/init.d/nginx start (code=exited, status=1/FAILURE)
CPU: 387ms
Jun 08 09:48:17 py233 systemd[1]: Starting LSB: starts the nginx web server...
Jun 08 09:48:18 py233 nginx[349]: Starting nginx...
Jun 08 09:48:18 py233 nginx[352]: nginx: [emerg] mkdir() "/dev/shm/nginx-cache/wp" failed (2: No such file or directory)
Jun 08 09:48:18 py233 nginx[349]: failed
Jun 08 09:48:18 py233 systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Jun 08 09:48:18 py233 systemd[1]: nginx.service: Failed with result 'exit-code'.
Jun 08 09:48:18 py233 systemd[1]: Failed to start LSB: starts the nginx web server.`