I'm codding a php script, using Instagram Private PHP Api.
It's work fine via SSH under "root" user, but when I try to run it via browser or cron, I getting error: Warning: chmod(): Operation not permitted in .....
I guess that something wrong with permissions, but I am not really good in server administration and can't understand what I can do =(
Please help, how I can fix this problem?
分享 Because Apache (or the web server you're using) executes PHP using different Linux user (usually www-data), which obviously have different permission than the user account you used in access via SSH.
To tackle the problem, you first have to know the folder / file you're going to chmod() belongs to who. If it belongs to root, then it's not suggested to chmod via any scripts that is accessible by public due to security concerns.
If it belongs to your user name, say foo, you can change the ownership of the folder / file you're going to chmod() to be accessible by www-data group using chown() in SSH console, then you chmod() command can be executed without problem.
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