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0
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0answers
41 views

add multiple users to multiple servers [duplicate]

I have a quick bash scripting question. I'm trying to add multiple new user accounts to multiple RedHat servers in my environment. This the script I've come up with so far, but it's not quite ...
1
vote
1answer
32 views

cat into stdin then pipe into program keeps forked shell open, why?

I'm not sure what's going on but I've been trying to understand what is happening with the input and output. So here is my program. #include <stdio.h> #include <stdlib.h> int main(){ ...
0
votes
2answers
42 views

Switch user using password from file

how can i switch user using su command and adding password from file ? i want to make a script which will automaticly switch the user, having the user and the password ,instead of manually typing the ...
4
votes
1answer
1k 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 they'...
14
votes
5answers
15k 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 ...
1
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0answers
23 views

Multiple entries in /proc/bus/input/devices for same device

I have one USB touchscreen connected to my hardware setup but using cat /proc/bus/input/devices gives me two entries for the same device : I: Bus=0003 Vendor=2965 Product=5023 Version=0110 N: Name="...
1
vote
1answer
1k views

psmouse sync issues!

I have Compaq CQ61-420US (64-bit AMD) laptop with Synaptics touchpad checked using $ egrep -i 'synap' /proc/bus/input/devices N: Name="SynPS/2 Synaptics TouchPad" But recently after Arch Linux 3.15-...
0
votes
0answers
20 views

Sub process keyboard input layer

I have a bash script where I set up a stream playlist by user interaction. The user then press p to play the selection. This simply do something like: media-player --playlist media-player defaults ...
0
votes
1answer
20 views

rm: cannot remove Input/output error in part of folder in a permanently mounted NTFS drive

I was experimenting with HDF5 installation from a permanently mounted NTFS data partition so lots of deletion etc. Now part of the folder (containing some codes etc.) is not deleting and showing the ...
1
vote
0answers
26 views

Xorg thinks touchpad is exact pointing device

I finally got Xorg working with LXDE, but I have one tiny problem: Xorg thinks my touchpad is an exact pointing device, such as a touchscreen. That is, coordinates on the touchpad are directly related ...
0
votes
2answers
41 views

Execute command when user interaction is detected ( ex: moving mouse, pressing key )

I am trying to make a bash script to turn down the brightness to lowest when idle for a certain amount of time but reverts back to its previous brightness when it detects user interaction whether it ...
3
votes
1answer
39 views

How to receive input from 2 files on an executable

Basically, I want to receive input from 2 different files whem I'm calling an executable on terminal Like: ./a.out < file1.pgm file2.pgm I want to read both the files input on my code, one ...
4
votes
3answers
77 views

How can I respond to a prompt within a shell script running in background?

I am scripting the installation of software on HP-UX server. Once the script starts it provides a prompt where I am to enter the install path. I need to pass the path to the script so it can ...
0
votes
0answers
15 views

Left-clicks not working for any device in openSUSE Tumbleweed

Okay, so I really am at wit's end here. I had this problem where my left click stopped working randomly. It had happened once before, but I thought it was a non-issue, as the problem manifested when I ...
1
vote
0answers
172 views

Kernel driver for trackpoint on Lenovo Thinkpad 13

On other ThinkPads I've succesfully configured the trackpoint with udev using this method but on my new Lenovo Thinkpad 13 this isn't possible: This command: find /sys/devices/platform/i8042 -name ...
3
votes
1answer
52 views

How to always print the prompt on a new line & keep input

We all know this annoying issue: $ printf "abc" > some-file $ cat some-file abc$ which tends to mess up the prompt if it is any more complex than $, throws off the current cursor position and ...
6
votes
1answer
117 views

Extra output on input redirection

I have a folder with three files: $ ls a b c If I pipe the output of ls to wc, I get the right result: $ ls | wc -l 3 However, when I specify the input to wc as the output of ls, I get extra ...
2
votes
1answer
212 views

Tmux is not able to distinguish between insert and shift-insert

Insert when in xterm, gives ^[[2~ and, Shift+Insert gives ^[[2;1~ All this is good until I start tmux. Note that the $TERM variable remains the same, so this issue should not be related to terminfo....
1
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0answers
27 views

X11 touch the value of the shivers . Is there any way?

I am using the X- widnwos. I use the touch screen. If you are a touch on the touch-screen cursor is unstable. Below is the video. https://youtu.be/jMub9-T_wEA How do I improve the following ...
2
votes
1answer
128 views

setting up Xorg input devices without udev

I have udev support in kernel(CONFIG_DEVTMPFS), thus my system does not strictly require udev daemon. Indeed everything works fine without udev daemon with the exception of Xorg (LXDE). LXDE starts ...
1
vote
1answer
31 views

Bash - Catch input for a substituted command stored in variable

How would I be able to catch the input for a substituted command stored in a variable? Example: How would I be able to catch the input for the following command? bar_foo=$(openssl passwd -1 -salt "...
1
vote
0answers
10 views

Configuring an alert when a program tries to interact with the user

Most programs in *nix-land take their options via the command line or through a configuration file. However, there are a few programs that do not have any such option, and will resort to interacting ...
0
votes
1answer
37 views

How do I give an input to an infinitely running program? [closed]

I have a python program that runs infinitely, takes an input and throws an output. I want to write a bash program that gives an input while the python script is running. So, how do I give an input to ...
0
votes
0answers
127 views

Connect bluetooth mouse Mint/Ubuntu

My bluetooth mouse I'm trying to connect this mouse by blueman device manager on mint 17.3 (kernel 4.4.4) I tried few different solutions in internet, but no success. On Windows 10 everything works ...
1
vote
2answers
25 views

Less specific input for script

Some time ago while i was searching for a way to find out what i can delete from my Android rom without crippling functions i use, i found deptree over at the xda forums. Since this was written back ...
2
votes
2answers
104 views

Input from file: “advanced” (using less-than sign) vs. “beginner” syntax

I read the following in the grymoire: A simple example is changing "day" in the "old" file to "night" in the "new" file: sed s/day/night/ <old >new Or another way (for UNIX ...
3
votes
1answer
37 views

Head Script output explanation

So this shell script: #!/bin/bash head >/dev/null; head; almost always gives the same output when called with sequential numbers (e.g. seq 10000 | ./sscript) OUPUT: //blank line 1861 1862 ...
0
votes
4answers
42 views

Validating input

I have below script written to validate the input as an integer. But i also require "." to be included as an integer. For an instance if i give 1.5 is an input and run the script. It returns not an ...
1
vote
2answers
21 views

Find unique lines based on only a section

I am wondering if there is a way to split lines by some character (E.g. :) and find unique lines based on one part of this split. For example if I had the following piped in via stdin file1: line 4 ...
2
votes
1answer
389 views

Synaptics touchpad LED support

How to enable support the LED in Synaptics touchpads? I'm using Debian Jessie and xserver-xorg-input-synaptics ver. 1.8.1-1. I found patches by Takashi Iwai from SUSE for LED support in Synaptics ...
2
votes
1answer
19 views

How to set the keymap for keyboards that are plugged in later?

I have configured my keyboard layout by adding a call to setxkbmap to my .xinitrc. This works for my laptop's internal keyboard and for any external keyboard that is plugged in when the X server ...
0
votes
0answers
126 views

Read single line from device at /dev/input/event0

When using "cat /dev/input/event0 | hexdump", I get a stream of data from the joystick that won't end until I use Ctrl-C to interrupt it. I want to get a single line of data I can use in a script I ...
1
vote
1answer
257 views

Mapping two joysticks with Xorg

I already managed to map the input of a joystick to keyboard inputs by writing a file in my xorg.conf.d/ directory (the file is named 51-joystick.conf). Now I would like to map the inputs of a second ...
1
vote
1answer
62 views

Linux bash script input without using “read” [closed]

I need to create a bash script where a single argument is passed by the user (without using the "read" input option) at the terminal command line that creates a directory with that name, or otherwise ...
0
votes
4answers
41 views

Loop a program if the input is missing

I have this script that runs perfectly well, I would however like to re-run the script if the wrong input is entered, how could this be done? #! /bin/bash #! userInput - a script that reads in text ...
1
vote
1answer
60 views

Bash: How do I make a command line call a script and pass two strings?

I have a simple bash script named text.sh which looks like this: #!/bin/bash read username read password echo "script attempted with $username $password" I want to call it using something like this:...
2
votes
1answer
327 views

Read from /dev/input devices without root privileges

Is there a way to read from /dev/input devices, without needing root privileges? In my case, I would like to use the Python library evdev to read from multiple keyboards (so that I know which ...
18
votes
1answer
9k views

SSH causes while loop to stop

I have finally managed to boil down a problem I have been struggling with for a few weeks. I use SSH with "authorized keys" to run commands remotely. All is fine except when I do it in a while loop. ...
13
votes
2answers
5k 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 ...
2
votes
0answers
47 views

X configuration not being applied to device?

I've got a configuration file which I'm installing at /usr/share/X11/xorg.conf.d/52-synaptics-bcm5974.conf: Section "InputClass" Identifier "MacBook Pro Touchpad" MatchUSBID "05ac:0272" ...
0
votes
1answer
962 views

How to clear log files periodically?

I am new to shell scripting. I want to clear log files in a directory based on the dates. I have managed to gather this code: DIR1='/home/u01/app/oracle/servers/DIR1/logs' DIR2='home/u01/app/oracle/...
1
vote
1answer
77 views

Is there any command that read their standard input in special cases? [closed]

I have been looking for lesser known commands that reads their standar input in special cases(missing arguments , for example). I'm thinking "cat" or maybe other command would fit here .. but I'm ...
0
votes
1answer
31 views

How to automaticallly accept when adding a repository?

Code : sudo add-apt-repository ppa:nemh/systemback sudo apt-get update sudo apt-get install systemback -y after entering the first command it will show something like this: Simple system backup ...
0
votes
1answer
138 views

How do I emulate sending keystrokes through a terminal program?

I need to send keystrokes virtually to a terminal program (like vi or emacs). I want to do something like this: echo -e 'iHello, world!\e' | vi and then have a vi session open with this buffer: ...
5
votes
2answers
25 views

maintain prompt despite ouput flow

Short version Can I maintain an input symbol (> for instance) at the bottom of the terminal so that the user can input despite text flowing above? Long version I am making a multi-process ...
4
votes
1answer
74 views

Working around a buggy keyboard / hacking an input stream?

When I type the key sequence oun quickly, the key sequence oun<F12> is emitted by my keyboard. (Update: actually, you must press-and-hold each key in the sequence in order to trigger the ...
1
vote
1answer
122 views

Block user input on interactive shell using “cat /dev/ttyS0”

I created an update routine for my device. The update process can be started using the serial console, SSH, telnet, a webserver or a REST API. Once the update started, I want to block all user input ...
1
vote
2answers
271 views

How to start script and put standard input in one command?

I have a console program which uses standard input and output. For example I call : ./program_name and after that I enter input I need to make this two actions in one command like: ./program_name '...
0
votes
1answer
42 views

Compose plus apostrophe doesn't work with Cyrillic

I used to have a custom .XCompose, I removed it to possibly eliminate the cause. Unfortunately, the problem persists - I can't create an accented Cyrillic character, such as the ones here [1]. Simply ...
1
vote
1answer
151 views

How to automatically disable laptop keyboard/mouse with xinput when external keyboard/mouse is plugged in?

I know I can use xinput to disable my mouse and keyboard, and I usually type three commands every time I plug in my keyboard and mouse to my keyboard: xinput float 'AT Translated Set 2 keyboard' ...