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ssuominen
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PostPosted: Wed Jan 05, 2011 8:29 pm    Post subject: Tips and tricks for ConsoleKit, PolicyKit, and udev helpers Reply with quote

Here is a small checklist to get a working ConsoleKit and PolicyKit setup for your console and X11.

/etc/make.conf:

Code:

USE="consolekit dbus pam policykit udev udisks upower"


/etc/portage/package.use speciality for stable users because their gnome-base/gvfs has USE="udisks" temporarily masked:

Code:

gnome-base/gvfs gdu


Removing cruft and installing required packages and emerging world with --newuse:

Code:

# emerge -C hal hal-info policykit devicekit devicekit-disks devicekit-power
# emerge -av gvfs udisks upower
# emerge -avDNut world


You need authentication agent installed to replace plain "Not authorized." dialog with useful password dialog:

For GTK+ based desktops:

Code:

# emerge -av polkit-gnome


Alternatively:

Code:

# emerge -av lxpolkit


For KDE:

Code:

# emerge -av polkit-kde-agent


If you don't want any agent installed, you should read following documentation after installing polkit:

Code:

$ man 8 polkit


Required kernel options for sys-fs/udisks:

Code:

CONFIG_USB_SUSPEND=y
CONFIG_IDE=n


Required kernel options for sys-auth/consolekit:

Code:

CONFIG_AUDITSYSCALL=y


Stopping cruft and starting daemons:

Code:

# /etc/init.d/hald stop
# rc-update del hald
# rc-update add dbus default
# rc-update add consolekit default
# /etc/init.d/consolekit start


Method to start Xfce from startx (This is without dbus-launch because startxfce4 command itself runs a dbus session and running two is a mistake):

Code:

$ echo 'exec ck-launch-session startxfce4' > .xinitrc
$ startx


Method to start openbox and others which don't run dbus-session on their own from startx:

Code:

$ echo 'exec ck-launch-session dbus-launch --sh-syntax --exit-with-session openbox-session' > .xinitrc
$ startx


You can reuse above openbox or xfce syntax for other desktops. First try without dbus-launch, then with dbus-launch.

Gentoo has following display managers in Portage with native ConsoleKit support:

xdm
slim
lightdm
old gdm-2 (note that gdm-3.8+ removed CK support and only works with systemd)
kdm
lxdm

Make sure to use latest version(s) since some of them gained support only recently.

In the end, you should see active session in or outside of X11:

Code:

$ ck-list-sessions
Session1:
   unix-user = '1000'
   realname = '(null)'
   seat = 'Seat1'
   session-type = ''
   active = FALSE
   x11-display = ''
   x11-display-device = ''
   display-device = '/dev/tty1'
   remote-host-name = ''
   is-local = TRUE
   on-since = '2010-12-25T09:44:12.519713Z'
   login-session-id = '1'
   idle-since-hint = '2011-01-02T16:04:09.020983Z'
Session3:
   unix-user = '1000'
   realname = '(null)'
   seat = 'Seat1'
   session-type = ''
   active = TRUE                                         <- The most important part. This is what we are aiming at.
   x11-display = ':0'
   x11-display-device = '/dev/tty7'
   display-device = '/dev/tty1'
   remote-host-name = ''
   is-local = TRUE
   on-since = '2011-01-02T16:03:40.847555Z'
   login-session-id = '1'                                <- If this is empty, you propably missed the CONFIG_AUDITSYSCALL=y option in kernel.


Known issues that would prevent this from working:

- You removed nox11 parameter from /etc/pam.d/system-login earlier, but forgot to restore it now that the native ConsoleKit support is available
in your display manager?

- When using the native ConsoleKit support (which is either enabled by USE="consolekit" or always enabled in the different display managers)
you should *not* write commands like dbus-launch or ck-launch-session yourself *anywhere* because the display manager does it for you.

- Entries in /etc/fstab *conflict* with sys-fs/udisks. For example, if you want your cdrom to be handled by udisks (and file manager supporting it, like nautilus, pcmanfm or Thunar) you should *remove entries* related to it from /etc/fstab.

- Need to recompile dev-libs/dbus-glib after deb-libs/glib upgrade. Yes, by hand:

Code:

# emerge -av1 dbus-glib


- Mangled /etc configuration for consolekit, pambase or shadow:

Code:

# emerge -av1 --noconfmem consolekit pambase shadow
# etc-update


I might write proper Gentoo documentation for this later on, but I can't promise anything.


Last edited by ssuominen on Wed Aug 28, 2013 5:04 pm; edited 25 times in total
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Kollin
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PostPosted: Wed Jan 05, 2011 9:32 pm    Post subject: Reply with quote

Tank you!
That was needed please make it sticky! :D

ssuominen wrote:


Hint: It's also good idea to mask sys-apps/hal in /etc/portage/package.mask to prevent it's installation and to detect remaining cruft when emerging world. To remove them.




Sadly k3b requires hal (not as use flag)
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PostPosted: Thu Jan 06, 2011 4:29 am    Post subject: Reply with quote

For those using e17, make sure you have USE="udev ukit" when you build e_dbus/enlightenment and it will be automagically enabled.
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PostPosted: Thu Jan 06, 2011 6:33 pm    Post subject: Reply with quote

great guide, thanks a lot for the effort put into it.

As a side note, I didn't find the need to install polkit-gnome (or equivalent, but I'm using slim) and it seems like everything works as espected :)

brilliant
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obo68
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PostPosted: Fri Jan 07, 2011 12:05 am    Post subject: Reply with quote

... just a small remark,

for me (using an amd64 system) it works even with the stable versions:
  • sys-apps/dbus-1.4.1
  • dev-libs/dbus-glib-0.88
  • sys-auth/pambase-20101024
  • sys-apps/shadow-4.1.4.2-r6
  • sys-fs/udisks-1.0.1-r2
  • sys-power/upower-0.9.5
  • sys-auth/polkit-0.96-r1
  • gnome-base/gvfs-1.6.4-r2
  • gnome-extra/polkit-gnome-9.96-r1


kernel 2.6.36-r5
xorg-server-1.9.2

use flags form /etc/make.conf:
Code:

USE="-hal -arts -kde -qt3 -qt4 -ati X nvidia xvmc a52 aac acpi aim alsa apache2
audiofile bash-completition bzip2 cdr consolekit crypt cups dbus device-mapper
dv dvd dvdr dri encode esd exif ffmpeg firefox flac ftp gd gdbm gif glut gnome gnutls
gphoto2 gstreamer gtk gtkhtml guile hddtemp iconv icq imagemagick imlib innodb
javascript joystick jbig jpeg jpeg2k latex lcms ldap libgda libwww lm_sensors
lzo mad mime mmx mng motif mp3 mp4 mpeg mplayer mysql mysqli ncurses nls nptl
nsplugin odbc ogg openexr opengl oscar pam pdf perl php plotutils png policykit
posix ppds python quicktime raw readline sdl smp sndfile sockets sox spell sse sse2
ssl startup-notification svg syslog sysvipc taglib tcpd theora threads tiff
truetype udev unicode usb v4l2 videos vorbis wmf wxwindows x264 xcb xcomposite
xface xine xml xmms xpm xscreensaver xv xvid yahoo zlib"

INPUT_DEVICES="evdev joystick"

VIDEO_CARDS="nvidia vesa"

jep, no keyboard and no mouse entry in INPUT_DEVICES!
So, no need to update the gnome branch to the (still unstable) 2.32 version.

In hope this is useful for anyone and encourages the installation of a hal-free env.

Oliver.
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d2_racing
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PostPosted: Wed Jan 12, 2011 12:32 am    Post subject: Reply with quote

The guide is sticked now.

If it will be a must to have an official Gentoo documentation about that subject.
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just1602
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PostPosted: Wed Jan 12, 2011 3:39 am    Post subject: Reply with quote

Thank you, it's working perfectly on my ~amd64 system with Openbox :- )

I'll try to do the same with my x86 system :P

@++

Justin :)
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hal2050
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PostPosted: Wed Jan 12, 2011 1:18 pm    Post subject: Reply with quote

is it allowed to post problems in this thread or is it rather recommended to start a new thread referring to the sticky?
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PostPosted: Wed Jan 12, 2011 2:11 pm    Post subject: Re: Tips, and tricks for ConsoleKit/PolicyKit/udev, without Reply with quote

ssuominen wrote:

Required kernel options:

Code:

CONFIG_USB_SUSPEND=y    <- Required for properly shutting down and powering USB hubs, for like, external USB HDD.
CONFIG_IDE=n                    <- This breaks both udev, and udisks.
CONFIG_AUDITSYSCALL=y   <- This is really required, it might work out of fluke with gnome-base/gdm but that's pretty much it.



Just to help with these kernel options (under 2.6.37) you can find them under...

Code:

-> Device Drivers
   -> USB support (USB_SUPPORT [=y])
      -> Support for Host-side USB (USB [=y])
             [*]    USB runtime power management (autosuspend) and wakeup   CONFIG_USB_SUSPEND=y    <- Required for properly shutting down and powering USB hubs, for like, external USB HDD.
-> Device Drivers
  [ ] ATA/ATAPI/MFM/RLL support (DEPRECATED)   CONFIG_IDE=n                    <- This breaks both udev, and udisks.

-> General setup
  -> Auditing support (AUDIT [=y])
    [*] Enable system-call auditing support  CONFIG_AUDITSYSCALL=y   <- This is really required, it might work out of fluke with gnome-base/gdm but that's pretty much it.


Also CONFIG_USB_SUSPEND is dependent upon...

Code:

 -> Power management and ACPI options
    [*] Run-time PM core functionality  PM_RUNTIME


..which I didn't have selected and had me scratching my head for a minute or two (until I actually read the information on dependencies from searching menuconfig with '/' and searching for USB_SUSPEND)
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slackline
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PostPosted: Wed Jan 12, 2011 2:53 pm    Post subject: Reply with quote

Quick question.

What if you're not using 'startx' or one of the 'small' login clients?

I'm using gdm, so do I still need to have a custom ~/.xinitrc or make any changes to /etc/pam.d/system-login ?
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PostPosted: Wed Jan 12, 2011 2:57 pm    Post subject: Reply with quote

slack---line wrote:
Quick question.

What if you're not using 'startx' or one of the 'small' login clients?

I'm using gdm, so do I still need to have a custom ~/.xinitrc or make any changes to /etc/pam.d/system-login ?


- gdm doesn't use the pam_ck_connector.so
- gdm has internal consolekit support

Therefore:

No changes to system-login or .xinitrc should be required at this time for GDM users.
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PostPosted: Wed Jan 12, 2011 2:58 pm    Post subject: Reply with quote

Thanks for the quick response and writing this guide ssuominen, very, very useful and much appreciated.
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PostPosted: Wed Jan 12, 2011 3:36 pm    Post subject: Re: Tips, and tricks for ConsoleKit/PolicyKit/udev, without Reply with quote

Nice sticky. For once I had most of it right.

slack---line wrote:

..which I didn't have selected and had me scratching my head for a minute or two...


My experience exactly, then a minute later I read your post. Heh.
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PostPosted: Thu Jan 13, 2011 2:06 pm    Post subject: Reply with quote

It works fine. But Xfce4 4.8 is not ready to move to stable. Too much problems to be fixed... for example hibernation does not work...

Thank's for the tip ... at least we can say goodbye to hal.
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PostPosted: Fri Jan 14, 2011 12:37 pm    Post subject: automounter for console-only setups, or without gnome- kde- Reply with quote

Hi,

I found this sticky quite useful, even if I instinctively did almost 95% the same before finding it. I'd like to add that users not wanting to deal with gnome or kde or other bloated window managers, or even need automounting just at console level, may use
Code:
sys-fs/udisks-glue-1.2.0
which in its current ebuild unfortunately comes without a config file or a gentoo service script. Well, I uploaded an updated ebuild with initial script and config file at Bug # 351644, you may try that out.

One more comment, in recent kernels,
Code:
CONFIG_USB_SUSPEND
may no longer be available, as the devs apparently changed the power management architecture of the USB subsystem.

Cheers,
Lucian

P.S. @ssuominen: gosh, now after sending the initial reply I realize that you're maintaining udisks-glue ;-)


Last edited by zoolook on Fri Jan 14, 2011 12:58 pm; edited 1 time in total
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PostPosted: Fri Jan 14, 2011 12:56 pm    Post subject: Reply with quote

For those like me, who run a single user system, don't suspend/hibernate, and don't use automounting
they don't need to use "ck-launch-session" or the associated "dbus stuff" in their .xinitrc file.

This is my .xinitrc file and yes it works fine.

Code:
#!/bin/sh
#
# ~/.xinitrc
#
exec > /home/don/.xsession-errors 2>&1
# Executed by startx (run your window manager from here)
#-------------
XDG_CONFIG_HOME="$HOME/.config"
XDG_MENU_PREFIX="lxde-"
XSESSION="LXDE"
export XDG_MENU_PREFIX XSESSION XDG_CONFIG_HOME
eval `cat $HOME/.fehbg` &
exec cairo-compmgr &
exec /usr/bin/lxsession -s DON -e LXDE
#-------------
#exec /usr/bin/openbox-session
#-------------
#XDG_MENU_PREFIX="xfce-"
#XSESSION="Xfce4"
#export XDG_MENU_PREFIX XSESSION
#exec /usr/bin/xfce4-session


I get logout and that's all I really need anyway.

Just an FYI
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PostPosted: Sun Jan 16, 2011 2:25 pm    Post subject: Reply with quote

Thanks a lot for useful guide :D !!!

Cheers
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PostPosted: Sun Jan 16, 2011 4:25 pm    Post subject: Reply with quote

ssuominen,

Works for me ... thanks very much
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PostPosted: Sun Jan 16, 2011 4:58 pm    Post subject: Re: Tips, and tricks for ConsoleKit/PolicyKit/udev, without Reply with quote

ssuominen wrote:
Code:
# rc-update add consolekit default
WRT please, could you take a look at this https://bugs.gentoo.org/show_bug.cgi?id=351537 ?
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PostPosted: Mon Jan 17, 2011 12:33 am    Post subject: Reply with quote

Is PAM really mandatory now?
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PostPosted: Mon Jan 17, 2011 5:13 pm    Post subject: Reply with quote

Openbox user here. Thanks for your instructions. I got everything working, but one problem with NetworkManager still persists. Not sure if it's a bug, as it's mentioned all over the place, but it could be related.

Problem is, even following your instructions, ck-list-sessions still gives a single instance, with active = FALSE, which is not supposed to be the case as you'll agree. nm-applet will refuse do do anything as non-root (enable/disable networking or connect to anything). My guess is, that the two are related (as it seems to be a permission-problem). If not, then forgive me for spamming this topic.
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ssuominen
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PostPosted: Mon Jan 17, 2011 5:40 pm    Post subject: Reply with quote

Ant_P wrote:
Is PAM really mandatory now?


Yep. I don't know of other ways of hooking the login (shadow) to consolekit.

Unless you count gnome-base/gdm as an option, it's internal consolekit support should work without pam... but this might change at anytime, it's really supposed to be using the same method others are and maintainers might change it soon.
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ssuominen
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PostPosted: Mon Jan 17, 2011 5:42 pm    Post subject: Reply with quote

drinstant wrote:
Problem is, even following your instructions, ck-list-sessions still gives a single instance, with active = FALSE, which is not supposed to be the case as you'll agree. nm-applet will refuse do do anything as non-root (enable/disable networking or connect to anything). My guess is, that the two are related (as it seems to be a permission-problem). If not, then forgive me for spamming this topic.


The whole point of this thread was to get 'active = TRUE' so something's definately wrong in your end.
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PostPosted: Tue Jan 18, 2011 11:18 am    Post subject: Reply with quote

ssuominen wrote:

The whole point of this thread was to get 'active = TRUE' so something's definately wrong in your end.


Finally got it working, by re-emerging consolekit mith --noconfmem. Phew, don't know why this was the thing that did it.
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PostPosted: Wed Jan 19, 2011 2:51 pm    Post subject: Reply with quote

xfce should startx with
Code:
ck-launch-session dbus-launch xfce4-session
within /etc/xdg/xfce4/xinitrc

ck-launch-session startxfce4 does not work for me (no power managment, no mount)
and
ck-launch-session xfce4-session is not enough (I can't mount/umount media by desktop or Thunar,
but can do it in terminal emulator).


Last edited by IgorPashev on Thu Jan 20, 2011 8:52 pm; edited 4 times in total
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