sudo apt-get --reinstall install otrs2 Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 5 not upgraded. Need to get 0B/1124kB of archives. After unpacking 0B of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 65415 files and directories currently installed.) Preparing to replace otrs2 2.0.4p01-7 (using .../otrs2_2.0.4p01-7_all.deb) ... Unpacking replacement otrs2 ... Setting up otrs2 (2.0.4p01-7) ... otrs:x:109:33::/usr/share/otrs:/bin/false SetPermissions.sh <$Revision: 1.27 $> - set OTRS file permissions Copyright (c) 2001-2004 Martin Edenhofer Setting file permissions... chown -R www-data:www-data /usr/share/otrs chmod -R og+rw /usr/share/otrs chown otrs:www-data /usr/share/otrs chown -R otrs:www-data /usr/share/otrs/var/ chown -R www-data:www-data /usr/share/otrs/var/sessions/ touch && chown otrs:www-data /usr/share/otrs/var/log/TicketCounter.log chmod -R 775 /usr/share/otrs/bin/ (chown && chmod 700) otrs:0 /usr/share/otrs/bin/DeleteSessionIDs.pl (chown && chmod 700) otrs:0 /usr/share/otrs/bin/UnlockTickets.pl (chown && chmod 700) otrs:0 /usr/share/otrs/bin/otrs.getConfig