Problem after megration from Ubuntu 14.04 to 16.04

[anon30676603]

https://doc.owncloud.org/server/9.1/admin_manual/issues/general_troubleshooting.html#owncloud-logfiles

https://doc.owncloud.org/server/9.1/admin_manual/issues/general_troubleshooting.html#logfiles

I'm getting a blank page / 500 Internal Server Error

Problem: Help: I'm getting an 500 Internal Server Error in my browser or in the logfile of my sync-client, or a blank / white page in my browser. Answer: Most time a: 500 Internal Server Error / blank page error message is caused by a wrong configured webserver or a typo in a .htaccess file. Without any additional informations it's not possible to help you here as this errors just means "something wrong" without telling what is wrong. Having a look at your webservers logfile or the e…

How to find webserver or OC logfile / enable php logfile

Most times it's very useful to have a look at the webserver logfile, the own logfile of ownCloud or the logfile of php. On linux you can find (depending on your used distro) at this locations: ownCloud (access on the file system directly->Login via ssh-terminal/ftp, NOT via browser): /path/to/owncloud/data/owncloud.log IMPORTANT NOTE: Please set DEBUG to true (for 8.1 and below): https://github.com/owncloud/core/blob/v6.0.3/config/config.sample.php#L3-L5 or debug => true (for oC 8.2+): https…