ok se ti va proviamo, al massimo butto tutto nel cestino :-)
sono andato con il comando
root@voyage:/var/www# apt-get remove nfs-common nginx
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'nginx' is not installed, so not removed
The following packages were automatically installed and are no longer required:
libao-common libao4 libasyncns0 libaudiofile1 libavahi-glib1 libavcodec53
libavformat53 libavutil51 libcdio-cdda1 libcdio-paranoia1 libcdio13
libconfig++9 libdirac-encoder0 libfaad2 libffado2 libflac8
libglibmm-2.4-1c2a libgsm1 libice6 libid3tag0 libiec61883-0 libiso9660-8
libjack-jackd2-0 libjson0 libmad0 libmikmod2 libmms0 libmodplug1 libmp3lame0
libmpcdec6 libmpg123-0 libogg0 libopenjpeg2 liborc-0.4-0 libpulse0
libraw1394-11 libresid-builder0c2a libschroedinger-1.0-0 libshout3
libsidplay2 libsidutils0 libsm6 libsndfile1 libspeex1 libsystemd-daemon0
libtheora0 libva1 libvorbis0a libvorbisenc2 libvorbisfile3 libvpx1
libwavpack1 libx11-6 libx11-data libx11-xcb1 libx264-123 libxau6 libxcb1
libxdmcp6 libxext6 libxi6 libxml++2.6-2 libxtst6 libxvidcore4 libyajl2
x11-common
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
nfs-common
0 upgraded, 0 newly installed, 1 to remove and 99 not upgraded.
After this operation, 678 kB disk space will be freed.
Do you want to continue [Y/n]? y
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "it_IT.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
(Reading database ... 16767 files and directories currently installed.)
Removing nfs-common ...
[ ok ] Stopping NFS common utilities: idmapd statd.