man i3lock-blur

gistfile1.txt

i3lock(1)                                           User Manuals                                           i3lock(1)

NAME
       i3lock - improved screen locker

SYNOPSIS
       i3lock [-v] [-n] [-b] [-i image.png] [-c color] [-t] [-f] [-r radius] [-s sigma] [-p pointer] [-u] [-e] [-l]

DESCRIPTION
       i3lock  is a simple screen locker like slock. After starting it, you will see a white screen (you can config‐
       ure the color/an image). You can return to your screen by entering your password.

IMPROVEMENTS
       ·      Fuzzy option added. With that there is no image or solid color displayed  when  screen  is  locked.  A
              blurring filter is applied to the screen.

       ·      i3lock  forks,  so  you  can  combine  it  with  an alias to suspend to RAM (run "i3lock && echo mem >
              /sys/power/state" to get a locked screen after waking up your computer from suspend to RAM)

       ·      You can specify either a background color or a PNG image which will be displayed while your screen  is
              locked.

       ·      You can specify whether i3lock should bell upon a wrong password.

       ·      i3lock uses PAM and therefore is compatible with LDAP, etc.

OPTIONS
       -v, --version
              Display the version of your i3lock

       -n, --nofork
              Don't fork after starting.

       -b, --beep
              Enable  beeping.  Be  sure  to not do this when you are about to annoy other people, like when opening
              your laptop in a boring lecture.

       -u, --no-unlock-indicator
              Disable the unlock indicator. i3lock will by default show an unlock  indicator  after  pressing  keys.
              This  will  give  feedback for every keypress and it will show you the current PAM state (whether your
              password is currently being verified or whether it is wrong).

       -i path, --image=path
              Display the given PNG image instead of a blank screen.

       -c rrggbb, --color=rrggbb
              Turn the screen into the given color instead of white. Color must be given in  3-byte  format:  rrggbb
              (i.e. ff0000 is red).

       -t, --tiling
              If  an  image  is  specified  (via -i) it will display the image tiled all over the screen (if it is a
              multi-monitor setup, the image is visible on all screens).

       -f, --fuzzy
              Turns on the fuzzy mode. In this mode i3lock will blur your screen until you unlock it.

       -r radius, --radius=radius
              Uses this as the radius for the gaussian blur kernel.

       -s sigma, --sigma=sigma
              Uses this value as the sigma for calculating gaussian blur.

       -p win|default, --pointer=win|default
              If you specify "default", i3lock does not hide your mouse pointer. If you specify "win",  i3lock  dis‐
              plays  a  hardcoded Windows-Pointer (thus enabling you to mess with your friends by using a screenshot
              of a Windows desktop as a locking-screen).

       -e, --ignore-empty-password
              When an empty password is provided by the user, do not validate it. Without  this  option,  the  empty
              password  will  be  provided  to  PAM and, if invalid, the user will have to wait a few seconds before
              another try. This can be useful if the XF86ScreenSaver key is used to put a laptop to sleep and bounce
              on resume or if you happen to wake up your computer with the enter key.

       -l, --show-failed-attempts
              Show the number of failed attempts, if any.

       --debug
              Enables debug logging.  Note, that this will log the password used for authentication to stdout.

DPMS
       The  -d  (--dpms) option was removed from i3lock in version 2.8. There were plenty of use-cases that were not
       properly addressed, and plenty of bugs surrounding that feature. While features are not normally removed from
       i3 and its tools, we felt the need to make an exception in this case.

       Users  who  wish  to  explicitly enable DPMS only when their screen is locked can use a wrapper script around
       i3lock like the following:

            #!/bin/sh
            revert() {
              xset dpms 0 0 0
            }
            trap revert HUP INT TERM
            xset +dpms dpms 5 5 5
            i3lock -n
            revert

       The -I (--inactivity-timeout=seconds) was removed because it only makes sense with DPMS.

SEE ALSO
       xautolock(1) - use i3lock as your screen saver

AUTHOR
       Michael Stapelberg <michael+i3lock at stapelberg dot de>

       Jan-Erik Rediger <badboy at archlinux.us>

Linux                                               JANUARY 2012                                           i3lock(1)