No matter, which file and browser we use, the uploading always fails:
** ! The uploaded file couldn’t be processed. Please check if the file has a valid format. **
Going to the directory “/usr/share/matomo/misc/user”, we made it fully writable:
drwxrwxrwx 2 matomo www-data 4096 Nov 20 18:03 .
Still, all uploads on all browsers failed.
After manually installing:
-rw-r--r-- 1 matomo www-data 1831 Nov 20 14:39 favicon.png -rw-r--r-- 1 matomo www-data 25785 Nov 20 14:34 logo.png
and going back to the general settings, we see something more promising:
However, after logging out and logging in, the Matomo logo and favicon still show at the top. How do we actually convince Matomo to show the new logos?