could I delete user and groups polkituser, messagebus?

FritzS - gmx fritzs at gmx.net
Wed Feb 13 06:37:38 PST 2013 

Hi,
I run MacPorts on SL 10.8.2 and use only "pan" and the "putty" package, Python 2.7 is installed too - before I had some other (GIMP, ...) installed (port installed list are attached).

Now I found polkituser, messagebus in my process list, are they needed or could I delete this both?
Sometimes polkituser, messagebus need some process time, but no MacPort program are started!

This hint I found too:
http://www.apfeltalk.de/forum/showthread.php?t=283795

my processes
----snipp----
17219	 cfprefsd	polkituser	0,0	2	980 KB	Intel (64-Bit)	29,6 MB	0,01	29	304 KB	220 KB	Nein	122	70	
17218	 distnoted	polkituser	0,0	5	1,4 MB	Intel (64-Bit)	30,6 MB	0,03	42	496 KB	4,0 MB	Nein	142	198	
17214	 launchd	polkituser	0,0	2	800 KB	Intel (64-Bit)	36,9 MB	0,03	49	292 KB	384 KB	Nein	831	153	
17207	 launchd	messagebus	0,0	2	800 KB	Intel (64-Bit)	36,9 MB	0,02	49	292 KB	384 KB	Nein	837	168	
17210	 distnoted	messagebus	0,0	5	1,4 MB	Intel (64-Bit)	30,6 MB	0,03	41	496 KB	4,0 MB	Nein	144	200	
17212	 cfprefsd	messagebus	0,0	2	984 KB	Intel (64-Bit)	29,6 MB	0,01	29	312 KB	220 KB	Nein	122	70	
17204	 cfprefsd	macports	0,0	2	972 KB	Intel (64-Bit)	29,6 MB	0,01	29	304 KB	220 KB	Nein	142	88	
17203	 distnoted	macports	0,0	5	1,4 MB	Intel (64-Bit)	30,6 MB	0,03	41	500 KB	4,0 MB	Nein	150	216	
17199	 launchd	macports	0,0	2	808 KB	Intel (64-Bit)	36,9 MB	0,03	50	300 KB	384 KB	Nein	889	172	
----snapp----

----snipp----
$ dscl . list /users | grep polkituser
polkituser

$ dscl . list /users | grep messagebus
messagebus

$ dscl . list /groups | grep polkituser
polkituser

$ dscl . list /groups | grep messagebus
messagebus
-----snapp-----

-----snipp-----
$ port installed
The following ports are currently installed:
  aspell @0.60.6_4+nonls
  aspell @0.60.6.1_0+nonls (active)
  aspell-dict-de @20030222-1_0 (active)
  aspell-dict-de-alt @2.1-1_0 (active)
  aspell-dict-en @7.1_0 (active)
  atk @2.2.0_2
  atk @2.6.0_0 (active)
  autoconf @2.69_0 (active)
  automake @1.12.4_0
  automake @1.12.6_0
  automake @1.13.1_0 (active)
  bzip2 @1.0.6_0 (active)
  cairo @1.12.2_1+x11
  cairo @1.12.8_2+x11
  cairo @1.12.12_0+x11 (active)
  db46 @4.6.21_6
  db46 @4.6.21_7 (active)
  docbook-xml @5.0_2 (active)
  docbook-xml-4.1.2 @5.0_1 (active)
  docbook-xml-4.2 @5.0_1 (active)
  docbook-xml-4.3 @5.0_1 (active)
  docbook-xml-4.4 @5.0_1 (active)
  docbook-xml-4.5 @5.0_1 (active)
  docbook-xml-5.0 @5.0_1 (active)
  docbook-xsl @1.76.1_1 (active)
  enchant @1.6.0_1 (active)
  expat @2.1.0_0 (active)
  fontconfig @2.9.0_1
  fontconfig @2.10.2_0 (active)
  freetype @2.4.10_0 (active)
  gdbm @1.10_2 (active)
  gdk-pixbuf2 @2.26.4_0
  gdk-pixbuf2 @2.26.5_1+x11 (active)
  getopt @1.1.4_1 (active)
  gettext @0.18.1.1_2
  gettext @0.18.2_2 (active)
  glib2 @2.32.4_0
  glib2 @2.34.3_0 (active)
  gmime @2.4.32_0 (active)
  gnome-common @2.28.0_0 (active)
  gnome-doc-utils @0.20.10_0+python27 (active)
  gobject-introspection @1.32.1_3
  gobject-introspection @1.34.1.1_2 (active)
  gperf @3.0.4_2 (active)
  graphite2 @1.2.0_1 (active)
  gtk-doc @1.18_0+python27 (active)
  gtk2 @2.24.12_0+x11
  gtk2 @2.24.14_0+x11
  gtk2 @2.24.14_1+x11 (active)
  gtkspell2 @2.0.16_2 (active)
  harfbuzz @0.9.12_0 (active)
  help2man @1.40.10_0
  help2man @1.40.13_0 (active)
  hicolor-icon-theme @0.12_0 (active)
  hunspell @1.3.2_0 (active)
  icu @49.1.2_1 (active)
  intltool @0.50.2_0 (active)
  iso-codes @3.35_0
  iso-codes @3.40_0 (active)
  jasper @1.900.1_9 (active)
  jpeg @8d_0 (active)
  libedit @20120601-3.0_0
  libedit @20121213-3.0_0 (active)
  libffi @3.0.11_0
  libffi @3.0.11_1 (active)
  libiconv @1.14_0 (active)
  libpixman @0.26.2_0
  libpixman @0.28.2_0 (active)
  libpng @1.5.12_0
  libpng @1.5.13_0
  libpng @1.5.14_0 (active)
  libtool @2.4.2_3 (active)
  libxml2 @2.8.0_0 (active)
  libxslt @1.1.26_0
  libxslt @1.1.27_0 (active)
  lzo2 @2.06_0 (active)
  m4 @1.4.16_0 (active)
  ncurses @5.9_1 (active)
  openssl @1.0.1c_0 (active)
  p5.12-getopt-long @2.380.0_3 (active)
  p5.12-locale-gettext @1.50.0_7 (active)
  p5.12-pathtools @3.330.0_3 (active)
  p5.12-scalar-list-utils @1.230.0_3 (active)
  p5.12-xml-parser @2.400.0_4 (active)
  pan2 @0.135_1 (active)
  pango @1.30.1_2+x11
  pango @1.30.1_3+x11
  pango @1.32.5_0+x11 (active)
  pcre @8.31_0
  pcre @8.32_1 (active)
  perl5 @5.12.4_0+perl5_12 (active)
  perl5.12 @5.12.4_1 (active)
  pkgconfig @0.27.1_0
  pkgconfig @0.27.1_1
  pkgconfig @0.27.1_2 (active)
  putty @0.62_0 (active)
  py27-libxml2 @2.8.0_0 (active)
  python27 @2.7.3_0
  python27 @2.7.3_1 (active)
  python_select @0.3_1
  python_select @0.3_2 (active)
  rarian @0.8.1_0 (active)
  readline @6.2.000_0 (active)
  shared-mime-info @1.0_0 (active)
  sqlite3 @3.7.14_1
  sqlite3 @3.7.15_0
  sqlite3 @3.7.15.2_0 (active)
  texinfo @4.13_2 (active)
  tiff @3.9.5_0
  tiff @3.9.7_0 (active)
  Xft2 @2.3.1_0 (active)
  xmlcatmgr @2.2_1 (active)
  xorg-bigreqsproto @1.1.2_0 (active)
  xorg-compositeproto @0.4.2_0 (active)
  xorg-damageproto @1.2.1_0 (active)
  xorg-fixesproto @5.0_0 (active)
  xorg-inputproto @2.2_0
  xorg-inputproto @2.2.99.1_0 (active)
  xorg-kbproto @1.0.6_0 (active)
  xorg-libpthread-stubs @0.3_0 (active)
  xorg-libX11 @1.5.0_0 (active)
  xorg-libXau @1.0.7_0 (active)
  xorg-libxcb @1.8.1_2+python27
  xorg-libxcb @1.9_0+python27 (active)
  xorg-libXcomposite @0.4.3_0
  xorg-libXcomposite @0.4.4_0 (active)
  xorg-libXcursor @1.1.13_0 (active)
  xorg-libXdamage @1.1.3_0
  xorg-libXdamage @1.1.4_0 (active)
  xorg-libXdmcp @1.1.1_0 (active)
  xorg-libXext @1.3.1_0 (active)
  xorg-libXfixes @5.0_0 (active)
  xorg-libXi @1.6.1_0
  xorg-libXi @1.6.2_0 (active)
  xorg-libXinerama @1.1.2_0 (active)
  xorg-libXrandr @1.3.2_0
  xorg-libXrandr @1.4.0_0 (active)
  xorg-randrproto @1.4.0_0 (active)
  xorg-renderproto @0.11.1_0 (active)
  xorg-util-macros @1.17_0 (active)
  xorg-xcb-proto @1.7.1_0+python27
  xorg-xcb-proto @1.8_0+python27 (active)
  xorg-xcb-util @0.3.9_0 (active)
  xorg-xcmiscproto @1.2.2_0 (active)
  xorg-xextproto @7.2.1_0 (active)
  xorg-xf86bigfontproto @1.2.0_0 (active)
  xorg-xineramaproto @1.2.1_0 (active)
  xorg-xproto @7.0.23_0 (active)
  xorg-xtrans @1.2.7_0 (active)
  xrender @0.9.7_0 (active)
  xz @5.0.4_0 (active)
  zlib @1.2.7_0 (active)
-----snapp----

-- 
FritzS 
fritzs at gmx.net




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