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17
votes
8answers
5k views

Disable Keyboard & Mouse input on unix (under X)

How can one programmatically "freeze" the Keyboard & Mouse temporarily, so that no one could mess with the system? There are several possibilities where this is useful. For instance, I have a ...
52
votes
2answers
2k views

Clear / erase a mistyped invisible password on a shell / terminal in Linux

One thing that annoys me using Linux's terminal is when I have to type a invisble password, like when you run ssh. Sometimes I mistype one or more letters and then I have to press backspace key a few ...
6
votes
2answers
722 views

Share keyboard over network as separate device?

I am trying to achieve something similar to this: http://superuser.com/questions/67659/linux-share-keyboard-over-network The difference is that I need the remote keyboard to be usable separate from ...
10
votes
2answers
879 views

Record every keystroke and store in a file

I need to record every keystroke and store in a file in the user directory ~, when using my account, I am not sudoer and I cannot install programs (like logKeys) in any way. How could I do so using ...
8
votes
4answers
13k views

How to inject keystrokes via a shell script?

I'm trying to inject keystrokes into the input daemon so as to simulate typing from a Bash script. Is this possible, and if so, how can I make it happen?
10
votes
2answers
8k views

How do mouse events work in linux?

This is mostly out of curiosity, I'm trying to understand how event handling works on a low level, so please don't reference me to a software that'll do it for me. If for example I want to write a ...
4
votes
4answers
544 views

Get input from editor (vim/nano/emacs/textmate?)

I was just curious if there's a way to get input not from StdIn but from $EDITOR - be it vim, nano, emacs or even a non-command-line-editor (MacVim/TextMate). What are the ...
3
votes
1answer
492 views

how to merge two audio input source using avconv

I try to make screencast using avconv and I facing a problem. I finally succeed to record both pc output and microphone input , the problem is that they're not merged in the output file. (I saw ...
3
votes
1answer
870 views

send keystroke to process

I'd like to run some applications in fullscreen. Even though they don't have an explicit such option, it is possible with the metacity Alt-F11 command. So, I thought I could create such an input like ...
0
votes
2answers
4k views

Shell script how to read input from a file [closed]

I need to read input from a file given in following format. $ ./process_data.sh arg1 < input_data.txt How do I read input_data in my shell script process_data.sh?
3
votes
4answers
3k views

How to send keystrokes (F5) from terminal to a process?

I'm using an Raspberry Pi in combination with Chromium (kiosk mode) to show up some stats. The Pi doesn't have an connected keyboard so I searched for a solution to send keystrokes from the terminal ...
2
votes
2answers
109 views

How to clear the input in Bash

I have a bash script that is reading quite a bit of data /dev/random. I need the user to type randomly to seed the random daemon. However once the script completes everything typed will get dumped to ...