Possible solutions of your questions

Hello

what set? Kron is just a scheduler. what job did you enter? /var/www/darkwod/data/tdskos.ru/cron.php it`s not a mission. it`s just the path to the file

 /var/www/darkwod/data/tdskos.ru/cron.php it`s not a mission, it`s just a file. run he can not

which options have You chosen?

no, what option do you choose? there are no options available within just with file path

if You chose the one that on the screenshot that it indicated that the command should be

php  /var/www/darkwod/data/tdskos.ru/cron.php

 not
 /var/www/darkwod/data/tdskos.ru/cron.php

executes the php script  /var/www/darkwod/data/tdskos.ru/cron.php

well, You yourself gave the link above, there are several options, just be careful, there is this variant. exactlyit even shown in the screenshot below