Plesk is not accessible.
Plesk sw-engine.service failed to start
# service sw-engine.service start:
Job for sw-engine.service failed because the control process exited with error code. See "systemctl status sw-engine.service" and "journalctl -xe" for details.
Service is running, but Plesk shows 404 error;
/var/log/sw-cp-server/sw-engine.logfile contains the following:
CONFIG_TEXT: [20-Aug-2017 13:17:27] NOTICE: Terminating ...
[20-Aug-2017 13:17:27] NOTICE: exiting, bye-bye!
[20-Aug-2017 15:32:43] ERROR: No pool defined. at least one pool section must be specified in config file
[20-Aug-2017 15:32:43] ERROR: failed to post process the configuration
[20-Aug-2017 15:32:43] ERROR: FPM initialization failed
[crit] 42379#0: *372 connect() to unix:/var/run/sw-engine.sock failed (2: No such file or directory) while connecting to upstream
The command below returns nothing:
# rpm -qa | grep plesk-core
There are missing plesk utilities and binaries, for example:
# plesk bin domain -l
Unknown Plesk command-line utility: "domain"
Unable to check Plesk version
# plesk -v
open /usr/local/psa/version: no such file or directory
Plesk installation is corrupted. Plesk core packages were removed.
Follow the article How to Install Plesk for Linux to run plesk-installer in order to install missing Plesk packages.