چاپ فهرست سرویس‌های ناموفق در لینوکس

1sudo systemctl list-units --failed2## OR ##3sudo systemctl list-units --state failed

1sudo systemctl is-failed {service-name-here}2sudo systemctl is-failed nginx.service3sudo systemctl is-failed vboxweb.service

1sudo systemctl list-units | grep -i failed

1sudo systemctl status {service-name}2sudo systemctl status ssh.service3sudo systemctl status nginx.service4sudo systemctl status vboxweb.service

1sudo systemctl show {service-name}2sudo systemctl show vboxweb.service

1journalctl2journalctl | grep 'error'

1journalctl –k

1journalctl –f

1journalctl -u {service-name-here}2journalctl -u ssh.service3journalctl -u vboxweb.service

1-- Reboot –2Apr 17 00:41:06 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…3Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: WARNING: The character device /dev/vboxdrv does not exist.4Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]:          Please install the virtualbox-dkms package and the appropriate5Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]:          headers, most likely linux-headers-generic.6Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]:          You will not be able to start VMs until this problem is fixed7Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: Oracle VM VirtualBox web service Version 6.0.14_Ubuntu8Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: (C) 2007-2019 Oracle Corporation9Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: All rights reserved.10Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001759 main     VirtualBox web service 6.0.14_Ubuntu r132055 linux.amd64 (Oct 17 2019 07:24:16) release log11Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001764 main     Log opened 2020-04-16T19:11:06.826028000Z12Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001765 main     Build Type: release13Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001768 main     OS Product: Linux14Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001769 main     OS Release: 5.3.0-46-generic15Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001770 main     OS Version: #38-Ubuntu SMP Fri Mar 27 17:37:05 UTC 202016Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001831 main     DMI Product Name: 20QVCTO1WW17Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001855 main     DMI Product Version: ThinkPad X1 Extreme 2<sup>nd</sup>18Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001920 main     Host RAM: 31866MB (31.1GB) total, 31409MB (30.6GB) available19Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001924 main     Executable: /usr/lib/virtualbox/vboxwebsrv20Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001924 main     Process ID: 167521Apr 17 00:41:06 nixcraft-wks01 vboxwebsrv[1675]: 00:00:00.001925 main     Package type: LINUX_64BITS_GENERIC (OSE)22Apr 17 00:41:06 nixcraft-wks01 systemd[1]: Started VirtualBox Web Service.23Apr 20 11:44:00 nixcraft-wks01 systemd[1]: Stopping VirtualBox Web Service…24Apr 20 11:44:05 nixcraft-wks01 systemd[1]: vboxweb.service: Succeeded.25Apr 20 11:44:05 nixcraft-wks01 systemd[1]: Stopped VirtualBox Web Service.26Apr 20 11:44:05 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…27Apr 20 11:44:05 nixcraft-wks01 systemd[1]: vboxweb.service: Can’t open PID file /run/vboxweb.pid (yet?) after start: No such file or directory28Apr 20 11:44:05 nixcraft-wks01 systemd[1]: vboxweb.service: Failed with result ‘protocol’.29Apr 20 11:44:05 nixcraft-wks01 systemd[1]: Failed to start VirtualBox Web Service.30-- Reboot –31Apr 20 11:52:48 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…32Apr 20 11:52:48 nixcraft-wks01 systemd[1]: vboxweb.service: Can’t open PID file /run/vboxweb.pid (yet?) after start: Operation not permitted33Apr 20 11:52:48 nixcraft-wks01 systemd[1]: vboxweb.service: Failed with result ‘protocol’.34Apr 20 11:52:48 nixcraft-wks01 systemd[1]: Failed to start VirtualBox Web Service.35-- Reboot –36Apr 20 12:17:31 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…37Apr 20 12:17:31 nixcraft-wks01 systemd[1]: vboxweb.service: Can’t open PID file /run/vboxweb.pid (yet?) after start: Operation not permitted38Apr 20 12:17:31 nixcraft-wks01 systemd[1]: vboxweb.service: Failed with result ‘protocol’.39Apr 20 12:17:31 nixcraft-wks01 systemd[1]: Failed to start VirtualBox Web Service.40-- Reboot –41Apr 20 12:35:06 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…42Apr 20 12:35:06 nixcraft-wks01 systemd[1]: vboxweb.service: Can’t open PID file /run/vboxweb.pid (yet?) after start: Operation not permitted43Apr 20 12:35:06 nixcraft-wks01 systemd[1]: vboxweb.service: Failed with result ‘protocol’.44Apr 20 12:35:06 nixcraft-wks01 systemd[1]: Failed to start VirtualBox Web Service.45-- Reboot –46Apr 21 00:09:56 nixcraft-wks01 systemd[1]: Starting VirtualBox Web Service…47Apr 21 00:09:56 nixcraft-wks01 systemd[1]: vboxweb.service: Can’t open PID file /run/vboxweb.pid (yet?) after start: Operation not permitted