Plesk won’t start or gives 500 errorPlesk wont start or gives 500 error on loading in browser.
service sw-cp-server start
The status will be failed
Starting SWsoft control panels server… stale pidfile. [FAILED]
Check the Plesk error log /var/log/sw-cp-server/error_log.
tail -f /var/log/sw-cp-server/error_log
2013-06-26 20:51:20: (network.c.371) can’t bind to port: 127.0.0.1 10001 Address already in use
2013-06-26 20:53:45: (log.c.166) server started
2013-06-26 20:53:45: (network.c.371) can’t bind to port: 127.0.0.1 10001 Address already in use
2013-06-26 20:53:45: (log.c.166) server started
2013-06-26 20:53:45: (network.c.371) can’t bind to port: 127.0.0.1 10001 Address already in use
2013-06-26 20:53:50: (log.c.166) server started
2013-06-26 20:53:50: (network.c.371) can’t bind to port: 127.0.0.1 10001 Address already in use
Check what is open on port 10001.
lsof -i tcp:10001
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
sw-cp-ser 14726 sw-cp-server 5u IPv4 4145375026 0t0 TCP localhost:scp-config (LISTEN)
Stop The Plesk service.
service sw-cp-server stop
Stoppping SWsoft control panels server… not running. [ OK ]
Remove the Plesk PID.
rm -rf /var/run/sw-cp-server.pid
Check if the Plesk process is still running.
ps aux | grep sw-cp-server | grep -v grep
14726 ? S 0:00 /usr/sbin/sw-cp-serverd -f /etc/sw-cp-server/config
Kill the process.
ps ax | grep sw-cp-server | grep -v grep | xargs kill -9
Start Plesk.
service sw-cp-server start
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