On Thu, 23 Oct 2014, Ralf Mardorf wrote:

PPS:

$ ps aux | grep dbus | grep -v grep
dbus       347  0.0  0.0  25240  3348 ?        Ss   Oct22   0:00 
/usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile 
--systemd-activation
lightdm    891  0.0  0.0  18028  1688 ?        S    Oct22   0:00 
/usr/bin/dbus-launch --autolaunch a243f4e05c294b13ab6972bf4ff93907 
--binary-syntax --close-stderr
lightdm    892  0.0  0.0  24756  2120 ?        Ss   Oct22   0:00 
/usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
lightdm    898  0.0  0.0  24756  2808 ?        S    Oct22   0:01 
/usr/bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork 
--print-address 3
rocketm+   937  0.0  0.0  18028  1828 ?        S    Oct22   0:00 dbus-launch 
--sh-syntax --exit-with-session
rocketm+   938  0.0  0.0  25012  2468 ?        Ss   Oct22   0:07 
/usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
chuser   25434  0.0  0.0  18028   224 ?        S    Oct22   0:00 
/usr/bin/dbus-launch --autolaunch a243f4e05c294b13ab6972bf4ff93907 
--binary-syntax --close-stderr
chuser   25435  0.0  0.0  24756   276 ?        Ss   Oct22   0:00 
/usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session

I guess pidof was the wrong command for trying to understand dbus.

The dbus-launch instances are the ones that are started by the system, PID 937 above. DBUS may start other instances for handling various things. The same as sendmail starts another instance for each connection. I have used dbus-launch on a headless system to allow multi terminals to control the same jack server using "dbus-launch screen". screen is a terminal based session manager.

--
Len Ovens
www.ovenwerks.net


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