root@NASBox:/home/fumantsu# ls -al /usr/share/openmediavault/engined/module/
total 232
drwxr-xr-x 2 root root 4096 Jan 8 18:36 .
drwxr-xr-x 5 root root 4096 Nov 29 15:04 ..
-rw-r--r-- 1 root root 2458 Jan 4 16:51 acpid.inc
-rw-r--r-- 1 root root 1745 Jan 4 16:51 apt.inc
-rw-r--r-- 1 root root 1836 Jan 4 16:51 certificatemgmt.inc
-rw-r--r-- 1 root root 2624 Jan 4 16:51 collectd.inc
-rw-r--r-- 1 root root 2773 Jan 4 16:51 cpufrequtils.inc
-rw-r--r-- 1 root root 2379 Jan 4 16:51 cron-apt.inc
-rw-r--r-- 1 root root 2633 Jan 4 16:51 cron.inc
-rw-r--r-- 1 root root 1600 Dec 9 17:55 downloader.inc
-rw-r--r-- 1 root root 5057 Jan 4 16:51 fstab.inc
-rw-r--r-- 1 root root 1993 Jan 4 16:51 halt.inc
-rw-r--r-- 1 root root 1961 Jan 4 16:51 hdparm.inc
-rw-r--r-- 1 root root 2081 Jan 4 16:51 hostname.inc
-rw-r--r-- 1 root root 1768 Jan 4 16:51 hosts.inc
-rw-r--r-- 1 root root 2927 Jan 4 16:51 interfaces.inc
-rw-r--r-- 1 root root 2147 Jan 4 16:51 iptables.inc
-rw-r--r-- 1 root root 2538 Jan 4 16:51 mdadm.inc
-rwxr-xr-x 1 root root 3199 Jan 4 16:51 monit.inc
-rw-r--r-- 1 root root 1749 Jan 4 16:51 networking.inc
-rwxr-xr-x 1 root root 3593 Nov 26 15:06 networkroute.inc
-rwxr-xr-x 1 root root 4652 Jan 4 16:51 nfs.inc
-rw-r--r-- 1 root root 2094 Dec 12 13:12 nginx-server.inc
-rw-r--r-- 1 root root 2420 Jan 4 16:51 ntp.inc
-rw-r--r-- 1 root root 2500 Dec 13 20:20 omvextrasorg.inc
-rw-r--r-- 1 root root 1500 Jan 4 16:51 pam.inc
-rw-r--r-- 1 root root 1935 Jan 4 16:51 php5fpm.inc
-rw-r--r-- 1 root root 2534 Dec 12 13:12 phpfpm-server.inc
-rw-r--r-- 1 root root 3560 Dec 13 23:51 plexmediaserver.inc
-rw-r--r-- 1 root root 2786 Jan 4 16:51 postfix.inc
-rwxr-xr-x 1 root root 7139 Jan 4 16:51 proftpd.inc
-rw-r--r-- 1 root root 3047 Dec 12 14:03 pyload.inc
-rw-r--r-- 1 root root 2659 Jan 4 16:51 quota.inc
-rwxr-xr-x 1 root root 5059 Jan 4 16:51 rsyncd.inc
-rwxr-xr-x 1 root root 3397 Jan 4 16:51 rsync.inc
-rwxr-xr-x 1 root root 10875 Jan 4 16:51 samba.inc
-rw-r--r-- 1 root root 2405 Sep 22 20:57 sensors.inc
-rwxr-xr-x 1 root root 4150 Jan 4 16:51 smartmontools.inc
-rwxr-xr-x 1 root root 3169 Jan 4 16:51 snmp.inc
-rwxr-xr-x 1 root root 4260 Jan 4 16:51 ssh.inc
-rw-r--r-- 1 root root 1808 Jan 4 16:51 sysctl.inc
-rwxr-xr-x 1 root root 1956 Jan 4 16:51 syslog.inc
-rwxr-xr-x 1 root root 4086 Jan 4 16:51 tftp.inc
-rw-r--r-- 1 root root 1769 Jan 4 16:51 timezone.inc
-rwxr-xr-x 1 root root 2710 Jan 1 2014 usbbackup.inc
-rw-r--r-- 1 root root 4733 Dec 12 13:29 virtualbox.inc
-rw-r--r-- 1 root root 1796 Jan 4 16:51 webadmin.inc
-rw-r--r-- 1 root root 3070 Jan 4 16:51 webserver.inc
-rwxr-xr-x 1 root root 2113 Jan 4 16:51 zeroconf.inc
root@NASBox:/home/fumantsu# apt-get --purge remove openmediavault-processlist
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'openmediavault-processlist' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@NASBox:/home/fumantsu# apt-get --purge remove openmediavault-supportinfo
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'openmediavault-supportinfo' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
For the purge I was pretty sure that nothing will happen as apt-get can't clean something that is not installed. From the other hand supportinfo can't be reinstalled (to make the purge trick)