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I have a php web application on Netbeans on my Ubuntu , and server is CentOS on a virtualBox . Suddenly uploading to server stopped and I'm getting these errors for non-root user :

file      backup_restore.php                Cannot upload file backup_restore.php (unknown reason).
file      jq/ajax.js                        Cannot upload file ajax.js (unknown reason).
file      login.php                         Cannot upload file login.php (unknown reason).
file      templates/backup_restore.html     Reason: Cannot change to the remote directory /.

I checked SELinux and it's disabled , I also tried to make a new project folder but It didn't help ! Does anyone know what is this problem ?

share|improve this question
Run out of disk space? – slm Apr 18 '13 at 15:29
no , because root can still upload but normal user can not . – SafeY Apr 20 '13 at 6:31

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