Can someone tell me what I'm missing here? I'm in a group that owns the "mediawiki" directory and all of its subdirectories, but I can't write to the folder for some reason. I'm connected to SSH, but I've tried re-authenticating to SSH and even rebooting the server.
[02.26.2016/10:50:59] myuser@wikiserver $ ls -la
total 16
drwxrwxr-x 4 www-data www-data 4096 Feb 26 10:45 .
drwxr-xr-x 13 root root 4096 Feb 23 17:42 ..
drwxrwxr-x 2 www-data www-data 4096 Feb 23 18:20 html
drwxr-xr-x 15 www-data www-data 4096 Feb 26 10:25 mediawiki
[02.26.2016/10:50:59] myuser@wikiserver $ touch mediawiki/test.txt
touch: cannot touch ‘mediawiki/test.txt’: Permission denied
[02.26.2016/10:53:48] myuser@wikiserver $ groups myuser
myuser : myuser adm cdrom sudo dip www-data plugdev lpadmin sambashare
Any advice would be greatly appreciated. I just simply want everyone in that group to be able to write to the mediawiki folder and its subdirectories.