According to the example in https://docs.plesk.com/en-US/17.0/a...racking-changes-in-configuration-files.73233/ we tried to list the changes in ssl.conf. However, this failed with "ERROR:cfgmon:[Errno 32] Broken pipe". Why is that / what is the "missing operand" after the file name?
[root@XXXX psa]# plesk sbin cfgmon -s /etc/httpd/conf.d/ssl.conf
Rev. TimeStamp File path In Storage
66 2016-07-22 15:39:05 /etc/httpd/conf.d/ssl.conf /var/lib/plesk/cfgmon/ssl.conf_2016_07_22_17_39_05_447661
225 2016-09-03 01:38:27 /etc/httpd/conf.d/ssl.conf /var/lib/plesk/cfgmon/ssl.conf_2016_09_03_03_38_27_887370
[root@XXXX psa]# plesk sbin cfgmon -r 225 | diff /etc/httpd/conf.d/ssl.conf
diff: missing operand after '/etc/httpd/conf.d/ssl.conf'
diff: Try 'diff --help' for more information.
ERROR:cfgmon:[Errno 32] Broken pipe
exit status 1
[root@XXXX psa]# plesk sbin cfgmon -s /etc/httpd/conf.d/ssl.conf
Rev. TimeStamp File path In Storage
66 2016-07-22 15:39:05 /etc/httpd/conf.d/ssl.conf /var/lib/plesk/cfgmon/ssl.conf_2016_07_22_17_39_05_447661
225 2016-09-03 01:38:27 /etc/httpd/conf.d/ssl.conf /var/lib/plesk/cfgmon/ssl.conf_2016_09_03_03_38_27_887370
[root@XXXX psa]# plesk sbin cfgmon -r 225 | diff /etc/httpd/conf.d/ssl.conf
diff: missing operand after '/etc/httpd/conf.d/ssl.conf'
diff: Try 'diff --help' for more information.
ERROR:cfgmon:[Errno 32] Broken pipe
exit status 1