I have had a problem with using i3 as a window manager getting screen locking and suspend to work but this is how I got it fixed.

I had pm-suspend working from the terminal with sudo and i3lock installed.

The alias *pm-suspend i3lock*

Had the advantage of also locking the screen however it needed to be run with a sudo command and password.

With an edit through visudo
%users ALL = NOPASSWD: /usr/sbin/pm-suspend
it could be made so that you don’t need to type the password as the user, so the alias can become,

*sudo pm-suspend i3lock*

This got me thinking that it would be cool to be able to do this from a key press in i3 rather than a terminal.

The first part of doing this is to add the key short cut to .i3/config

bindsym $mod+p exec suspendandlock

then write a bash script into /usr/bin saved as suspendandlock

`
#!/bin/bash

suspend and lock

#`

sudo pm-suspend i3lock -c 000000

Finally we have to modify the sudoers file again with visudo and change the %users to %wheel.

%wheel ALL = NOPASSWD: /usr/sbin/pm-suspend

On Fedora 17 an additional edit is required with visudo, requiretty requires commenting out with visudo to be,

# Defaults requiretty

sECuRE from the i3 IRC chat helped out with the Fedora fix diagnosed through the log error.

requirement “uid >= 1000″ not met by user

within /var/log/secure

Now if everything is work mod+p will trigger power suspend and when you awake will ask for a password.

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