Hi Gigaveri,
the command that you used ( "/usr/local/psa/admin/sbin/backupmng >/dev/null 2>&1" ) does not execute the crontab ( schedule ), that you were creating over your Plesk Control Panel in your screenshot. You created a global
BACKUP SCHEDULE.
Let's assume, that you setup a "daily" backup, for 14:30 GMT +3, then a crontab will be configured, to run
at the NEXT defined time, each day, with the options you setup in your "scheduled backup settings".
Due to the fact that you posted your thread at 13:55 CET, which is 02:55 p.m. for your defined GMT +3 time zone, then the next backup will start tomorrow at 02:30 p.m. GMT +3, if you didn't forgot to click on "Taman" or "Uygulayin" ( which is "OK" or "Apply" in english ), so that the schedule has been saved.
Pls. inspect your depending log - files for possible issues ( "/usr/local/psa/PMM/logs/backup-<datetime>" or/and "/usr/local/psa/PMM/logs/restore-<datetime>" )
The command "
/usr/local/psa/admin/sbin/backupmng >/dev/null 2>&1" can be used for a DOMAIN - specific crontab ( scheduled task ) at
=> "
Websites & Domains > Scheduled Tasks"
For more informations about crontabs ( scheduled tasks ) with Plesk 12.5, pls read: