systemctl {start|stop|status} <service>
Start, stop or inspect a service. Server: httpd (on by default), named (DNS), ntpd, tftpd, vsftpd (FTP), rsyslog. Printer: cups, httpd. NAS: smbd, vsftpd, httpd.
Example
SRV1# systemctl start namedA stopped service makes clients see 'Connection refused' — different from a timeout, which means the packet never got there or back.
Don't just read it — type systemctl {start|stop|status} <service> in a real network simulator in your browser and watch it take effect. No install, no account needed to start.
Frequently asked
What does the "systemctl {start|stop|status} <service>" command do?
Start, stop or inspect a service. Server: httpd (on by default), named (DNS), ntpd, tftpd, vsftpd (FTP), rsyslog. Printer: cups, httpd. NAS: smbd, vsftpd, httpd.
What's the common gotcha with "systemctl {start|stop|status} <service>"?
A stopped service makes clients see 'Connection refused' — different from a timeout, which means the packet never got there or back.
Example of "systemctl {start|stop|status} <service>"
SRV1# systemctl start named