General keyboard topics, including keyboard hardware and keyboard functionality in software.

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300 views

linux with KDE, disable CTRL+F9 combination key

On my linux (ubuntu) with KDE, when i press CTRL+F9 the system shows all the opened windows as miniatures, allowing me to select one by clicking on it. Unfortunately, the very same key combination is ...
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156 views

numlockLed is enabled but numpads are not working

I have put the following code to enable Numlock at boot time. #!/bin/bash for t in /dev/tty[0-9]*; do setleds -D +num <$t; done in start up script. it is working fine on OS level. but after ...
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0answers
370 views

Keyboard key is not recognized even with showkey

I am using Ubuntu 12.04, in a laptop that I carry around and use with different physical keyboards (as I don't feel comfortable with laptop keyboards) For one of those keyboards (Dell SK-8135) the ...
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2answers
90 views

Use/Grab the only keyboard with no user logged locally

I have a raspberry pi running some software (I have the source) that needs user interaction and has a special (USB) keyboard with only 3 keys. The program runs on framebuffer (SDL) and is launched ...
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46 views

is this a keyboard hardware limitation?

I have remapped Caps_Lock to Ctrl_L on an ancient mechanical keyboard. It is still impossible to use the caps lock key to produce key combinations like C-e. xev shows the following sequences are ...
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0answers
3k views

Bluetoothctl: No default controller available

I'm having issues connecting my Logitech K810 Bluetooth keyboard in Debian Jessie with BlueZ version 5.23-1, kernel 3.16.0-4. The keyboard works fine most of the time but sometimes it doesn't work at ...
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2answers
826 views

USB not working in OpenBSD 5.6 installer

I'm trying to install OpenBSD 5.6 amd64 on my 2012 Mac mini (quad-core Intel i7), but USB stops working partway through the boot sequence, as evidenced by my lighted keyboard going dark. Without a ...
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1answer
116 views

Enable numlock only for external keyboard

I'm not sure this is possible, but I thought why not to ask. I have a laptop without a numeric block, and use it sometimes with external keyboard. Numlock for the internal keyboard = useless, so I ...
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1answer
343 views

Mapping key bindings

Background: I got an Acer Chromebook yesterday and I am running Ubuntu on it (I am also somewhat new to Linux). The keyboard does not have dedicated Home and End buttons since in ChromeOS there are ...
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0answers
80 views

Keyboard error in Fedora 20 (virtualbox)

When I press the ALT key it also presses the CTRL key in the guest machine (Fedora 20). This prevents me from typing [ ] { } ~ ... and so forth. My current workaround is: After I press ALT I press ...
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1answer
2k views

Autohotkey Equivalent?

Is there an equivalent product/method for AutoHotkey. For those that don't know, its a product that allows you to program your mouse movements and keyboard. This allows me to "macro" certain functions ...
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0answers
69 views

keyboard shortcut for inserting text

how to set a keyboard combination for inserting special string in current window at current position? for example, when I'm on Firefox address bar, or Chrome address bar, and press Alt+Ctrl+N it ...
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1answer
141 views

How to disable USB Keyboard at run time from udev.c not from udev rules

I want to disable my USB keyboard at boot time (in some scenarios) without modifying udev rules, as I know udev rules only works when a device is attached or detached from the target. Is there any ...
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0answers
13 views

OpenSuse 11.1 Keyboard Issuses

Im having some repeat issues with my keyboard being unresponsive. Im using opensuse 11.1 with a 2.26.27* kernal and it seems to be getting worst. When the keyboard dies (although the mouse works) , ...
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1answer
30 views

A ton of input at the login appears to lock the machine?

Occasionally my one year old son will come into my office where my machine is at the command line login prompt. As my little geekling is wont, he starts banging on the keyboard like Daddy does. As ...
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1answer
242 views

Unable to load a USB keyboard driver on Debian machine

I have a pretty simple driver for USB keyboard: #include <linux/module.h> #include <linux/kernel.h> #include <linux/usb.h> #include <linux/usb/input.h> #include ...
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0answers
192 views

Copy and Pasting Script for the Alphabet and Numbers [closed]

How would I create the following shortcut? Ctrl+Win+A = Copy selected text to a unique "A" variable. Win+A = Paste the text which is binded to the unique "A" variable. And then extend this to the ...
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1answer
5k views

Connecting usb keyboard, bluez-simple-agent missing

I'm attempting to connect my Logitech k810 usb keyboard to my Debian Jessie machine. Connecting using this guide has worked well in the past. The problem is that a step in the guide requires the ...
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1answer
289 views

Mint 17 via EFI stub on 32-bit MacBook, keyboard doesn't work; fine with Grub bootloader

I'm not necessarily looking for a solution, although that would be great... mainly an explanation. On a MacBook 1.1 using rEFInd boot manager, if I boot Mint 17 Cinnamon 32-bit via the Grub ...
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1answer
1k views

keyboard hard remap keys?

I am trying to find a way to remap keyboard keys forcefully. I tried using xmodmap and setxkbmap, but they do not work for one specific application. Such commands work for other normal ...
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0answers
314 views

Debian Wheezy on Samsung NP900X3A some Fn Keys don't work

I've gone through all questions and tutorials on how to solve this problem. They weren't meant for my Laptop version but "close enough". Unfortunately they didn't help. This is the case. # ...
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1answer
109 views

Resync NumLock light with NumLock status

I plugged a second keyboard into my computer to test something, and now my NumLock light is out of sync with the lock status (the light is off when NumLock is on, and vice-versa). How can I get the ...
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2answers
1k views

How can I write a non-breaking space? [closed]

When I write a question, I'd like the space between the final word and the question mark to be non-breaking, and this very sentence is an example of it (this is why it is awkward), how can I do that ? ...
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1answer
27 views

Archlinux ARM Rasperry Pi decryption fail

I have created an encrypted Archlinux partition on my SD card, but currently I am unable to decrypt it. I am using the key "Xö&(4n=%YF3Ü!BN" which includes german letters. So for this I have ...
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2answers
579 views

How does an emulated keyboard work?

I have read that some USB devices emulate a keyboard and the information these devices send will be as if the information was typed on a keyboard. For example: a magnetic card reader can use an ...
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1answer
115 views

Archlinux ARM Rasperry Pi login buffer display and decryption fail

I have put the Archlinux Arm on my SD card and the first time I have done this it was all correct and worked well but I had to "reinstall" everything for several reason. So now I am doing the same ...
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1answer
545 views

How to control keyboard backlight using hotkeys

How can I turn increase and decrease the keyboard backlight in notebook on Linux using the same hotkeys used on Windows? In Windows I can control the keyboard backlight by pressing hotkeys (FnF9 to ...
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2answers
1k views

Brazilian Keyboard layout in CentOS 6.5

I'm Brazilian and new with Linux. I have the CentOS 6.5 with Gnome 2.28.2 running in a VirtualBox VM. I'm using it to PHP programming and I'm loving it. But I'm having a hard time to make ...
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1answer
298 views

I cannot enter the vertical line character in OSX terminal

I'm using a Mac and I'm piping some data from curl to tar and when I went to hit the | in the terminal I got the o with an umlaut. It totally works fine, as the unicode character still comes up as ...
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1answer
470 views

Remap keypad keys to modifiers

I did some research but I couldn't find a working solution: How can I make my keyboard buttons: KP_1, KP_2, KP_3 to work exactly the same as Shift_L, Alt_L and Control_L? I use Linux Mint 17 ...
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1answer
95 views

Is bluetooth keyboard associated with `stdin`?

I know that keyboard is standard input and is referred by the stdin file. I sometimes use a Bluetooth(BT) keyboard when working on my laptop. Both keyboards, my laptop keyboard as well as the BT ...
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0answers
457 views

Different layouts and specific key mapping for different keyboards

Here's the deal I have an apple aluminium usb keyboard connected to my laptop with "windows" keyboard. And almost everything works great on my apple keyboard except three annoying problems. Each ...
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1answer
3k views

“usb 3-2: can't set config #1, error -110” - USB keyboard works in Windows 8 laptop but on PC only until Linux boots

I tried 2 new USB keyboards that work until Linux starts booting. When booting I saw: [ 8.365211] usb 3-2: New USB device found, idVendor=1a2c, idProduct=0b23 [ 8.404863] usb 3-2: New USB ...
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1answer
206 views

swap symbols with numbers in keyboard layout

I'm looking to modify my keyboard layout such that holding down Shift and pressing a number key will result in a number being printed to the screen instead of the symbol that's on the key. For ...
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1answer
386 views

adjusting keyboard sensitivity with kbdrate

The keyboard on my Laptop is too sensitive (when typing, I often type two characters instead of one). I have been googling and found kbdrate. But for some reason, kbdrate does not work properly: # ...
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1answer
9k views

monitoring events (keyboard, mouse) in X

Is it possible to display all events that are generated in Xorg? Such as keyboard pressed, mouse events...?
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39 views

Keyboard is disabling

I stuck with a strange problem on OpenSUSE 13.1, after some random uptime my keyboard is disabling. I'm not even sure how to concretize this problem, this happening randomly and I can't see any ...
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0answers
273 views

Emulating scroll lock behaviour to trigger USB KVM switch

At work, I use two computers: one Windows machine for intranet and mail, one Ubuntu machine on a separate network for development. In order to easily switch between the two I use a simple USB KVM ...
4
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1answer
3k views

Making udev rule for bluetooth keyboard

I'm using a logitech k810 bluetooth keyboard with my laptop running Debian Wheezy. (I got the keyboard working by following this guide.) By default the F1-12 keys are multimedia keys unless the FN ...
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2answers
225 views

Print currently pressed keys to stdout and read them line by line

I want to know which keys are pressed on my keyboard and print the information to stdout. A tool that can do this is showkey. However, if I want to pass the data of showkey to read: while read line; ...
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2answers
570 views

Linux kernel dropping custom keyboard scan codes

I have a vintage IBM 122 key model M keyboard that I am adapting for use on a modern computer. I am using a Teensy 2.0 to do the encoding and to handle the USB side of things. I borrowed the firmware ...
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1answer
424 views

How to 'simulate' a Fn key

I want to 'simulate' a Fn key of an ASUS laptop running Ubuntu when using a normal external keyboard. How can I do this?
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297 views

Debian wheezy FN key inverted after resume from suspend

I have debian wheezy installed on my new laptop (Toshiba Satellite L70), with Kernel 3.14 from backports. After I resume from suspend, all function keys (F1 - F12) behaviour is inverted, for example, ...
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2answers
2k views

Corsair Vengeance K-95 Keyboard & Linux [closed]

I've been thinking that I want a mechanical keyboard, currently I'm using a logitech G510 which is perfect with it's 18 programmable keys (I'm using it with this) but I hear a lot of people drooling ...
76
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4answers
14k views

What is the point of Ctrl-S?

Ctrl+S stops all output to the terminal which can be restarted with Ctrl+Q. But, why does Ctrl+S exist in the first place? What problem was trying to be solved by putting that control sequence in ...
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0answers
344 views

Remapping Left Control <LCTL> in xkb changes behavior of Alt + Left Shift

For some reason pressing any alt key (including <MENU>) together with <LFSH> toggles "Switch windows of an application". This can be turned off by commenting out key <LCTL> { [ ...
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1answer
337 views

How to read characters from a serial keyboard on /dev/inputs/eventX (Speed?)

I'm trying to read from a second keyboard whose inputs can be read from /dev/inputs/eventX, but I get rubbish and not the character expected. I'm accessing my target by using Putty. I can connect to ...
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0answers
726 views

set the default keyboard type to ascii mode

I am running CentOS 6.5 and I am having problems setting the default keyboard mode to ascii for the virtual terminals. Currently, only the system console defaults to ascii mode, but if I log in to an ...
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3answers
359 views

Remapping a keyboard key to print ⸮ (irony mark)

I find myself using the irony mark ⸮ unicode U+2E2E (or ؟ unicode U+061F) in both mcabber and vim a lot. The old copy-and-paste antipattern is tedious so I thought I would rename one of the many ...
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1answer
88 views

Cannot type keyword symbols in Linuxmint

I found that in my linuxmint 13.10, when I want to type a @(Shift + 2), the screen displays " (Shift + ' in windows). However, today the biggest problem is there is no ways to type |. Therefore, I ...