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| -rw-r--r-- | doc/guix-cookbook.texi | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi index 2a605276e6..8651bc4429 100644 --- a/doc/guix-cookbook.texi +++ b/doc/guix-cookbook.texi @@ -1617,6 +1617,47 @@ Then you need to add the following code to a StumpWM configuration file (set-font (make-instance 'xft:font :family "DejaVu Sans Mono" :subfamily "Book" :size 11)) @end lisp +@node Session lock +@subsection Session lock +@cindex sessionlock + +Depending on your environment, locking the screen of your session might come built in +or it might be something you have to set up yourself. If you use a desktop environment +like GNOME or KDE, it's usually built in. If you use a plain window manager like +StumpWM or EXWM, you might have to set it up yourself. + +@node Xorg +@subsubsection Xorg + +If you use Xorg, you can use the utility +@uref{https://www.mankier.com/1/xss-lock, xss-lock} to lock the screen of your session. +xss-lock is triggered by DPMS which since Xorg 1.8 is auto-detected and enabled if +ACPI is also enabled at kernel runtime. + +To use xss-lock, you can simple execute it and put it into the background before +you start your window manager from e.g. your @file{~/.xsession}: + +@example +xss-lock -- slock & +exec stumpwm +@end example + +In this example, xss-lock uses @code{slock} to do the actual locking of the screen when +it determines it's appropriate, like when you suspend your device. + +For slock to be allowed to be a screen locker for the graphical session, it needs to +be made setuid-root so it can authenticate users, and it needs a PAM service. This +can be achieved by adding the following service to your @file{config.scm}: + +@lisp +(screen-locker-service slock) +@end lisp + +If you manually lock your screen, e.g. by directly calling slock when you want to lock +your screen but not suspend it, it's a good idea to notify xss-lock about this so no +confusion occurs. This can be done by executing @code{xset s activate} immediately +before you execute slock. + @node Setting up a bind mount @section Setting up a bind mount |