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27
votes
3answers
2k views

Can a bash script be hooked to a file?

I want a script to sleep unless a certain file is modifed/deleted (or a file created in a certain directory, or ...). Can this be achieved in some elegant way? The simplest thing that comes to my mind ...
6
votes
3answers
5k views

How to execute a script on gdm login automatically for all users?

What file should I modify to execute some instructions when any user logs in through gdm? I tried /etc/bashrc but that is executed ony when starting bash (and each time an xterm is open). I'd like to ...
3
votes
2answers
437 views

Encrypt hook in mkinitcpio.conf for full system encryption USB drive Arch install

I have installed Arch Linux on a USB drive with full system encryption using LUKS. The Arch wiki as usual walked me through almost everything. The only issue I ran into was using setting up the hooks ...
1
vote
1answer
578 views

Set environment variable for all of tmux shells when gnome-sessions gets restarted

To solve this problem, I need to set the environment variable DBUS_SESSION_BUS_ADDRESS for all shells inside tmux every time I restart gnome without restarting tmux (this is often). How can I best ...
9
votes
2answers
2k views

Ssh login hook?

Is there a way to run a script/command every time a user connects using ssh? Can it be configured globally (i.e run the script when any user login)? I came across this question on Identica, but there ...