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

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CapsLock as modifier key for application keymaps

I am developer and currently I am using Ubuntu Linux with PyCharm IDE for development of website. In order to improve typing performance I consider change CapsLock to Hyper_L and assign it to mod3 ...
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1answer
484 views

Remember Numlock state after login in GNOME

I am running Debian GNOME 8.0. I would like to have Numlock ON as default. So I followed the instructions on this page: https://wiki.archlinux.org/index.php/Activating_Numlock_on_Bootup#GDM ...
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2answers
325 views

Boot process stops until PS/2 key presses?

I'm working on an embedded product based on Gentoo linux 3.6.6 running on a Mini-ITX motherboard. We're looking at switching motherboards (from a Jetway NF9D-2550 to an Advantech EIMB-214), and to ...
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1answer
594 views

xkb: make ctrl+backspace behave as delete

How can I map Ctrl+Backspace to behave as Delete key with xkb? I can remap a single key on /usr/share/X11/xkb/symbols/pc but can't figure out how to do the combination. My OS is Ubuntu 15.04
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1answer
1k views

What are/were the keys on a Sun keyboard for?

I have a Sun type 7 UNIX keyboard that I'd like to get more productivity out of. So what are those extra keys for, or rather, what were they intended for by Sun? And is there a way to approximate ...
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966 views

`p` key doesn't work in X

Today I had to force-shutdown my machine after it froze during resume from suspend. Since the reboot, I've found that the p key doesn't work normally in X. It does work normally in the console. ...
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393 views

how to deal with keyboard-greedy apps

I'm having a very specific problem, however any help will aid in understanding X's relationship to the keyboard. I'd like to be able to launch the ElectricSheep program on top of music playing from ...
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1answer
323 views

Xorg key clicks?

I've currently got Fedora 9 on my home PC (yes, I know its quite old - but hell I only reboot it every 6 months - nevermind upgrading!) . My only niggle is that keyboard I've got has quite a different ...
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Apple Bluetooth Keyboard

I have an Apple bluetooth keyboard and want to use it with Fedora 15. I turn on the bluetooth on the both devices. Click 'Setup new device' via Gnome3's GUI. The computer detects the keyboard but it ...
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1answer
1k views

Disabling or changing console switching keys

For some reasons on my Ubuntu 11.04 Natty running Linux 2.6.38-13, with an Italian layout for the keyboard, the keystrokes AltFx switch between virtual consoles (instead of the normal CtrlAltFx keys)....
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How to set an xmodmap file for the session manager (or at least SLiM) because of a broken physical key

I've got my laptop set up to boot directly into SLiM as the X session manager. However, the "M" key on my laptop is broken. I've gotten around this when logged in by using xmodmap to remap my ...
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1answer
868 views

Dead keys not working in Java Swing applications

I'm currently using Ubuntu 10.10 and Netbeans 7.0 and I can't type accented letters with dead keys any more. It's not a version specific problem seems it's related with Swing since I've got the same ...
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How can I make Ctrl + Alt act like Alt gr in Ubuntu?

I recently switched to Ubuntu on my laptop and one thing that almost got me to switch back to windows is the fact that I can't make Ctrl + Alt to act like Alt gr. I have programmed in several years ...
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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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514 views

Continue for loop by keyboard

I have user account on a linux machine which I do not know its exact IP address. But I know a range which it is ran on one of them. I want to check which server is my desired server. There are some ...
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On an Apple Keyboard under Linux, how do I make the Function keys work without the fn modifier key?

I use an Apple wired keyboard on Linux. By default the function keys (F1, F2, F3, etc) require the fn key to be pressed for them to work. Without the fn key, these keys control the features like ...
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844 views

How to find out the escape sequence my keyboards sends to terminal?

Let's say we have a generic keyboard with some unknown keys which may send escape sequences to terminal. The keyboard is connected to an xterm terminal emulator running on a generic BSD/Linux. To ...
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2answers
1k views

Log number of keyboard hits

How can I log a keyboard hit via shell script? My aim is to log the number of keyboard hits of a login session on my Ubuntu system. Note: I do not want to log the keystrokes itself, only the number ...
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How to print keypresses in .inputrc format?

Which application can I use to figure out what to put in .inputrc for any custom keyboard shortcut? I've tried a few, and none of them seem to be usable: showkey, showkey -a and read just print ' if ...
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3answers
2k views

Set the key for spanish eñe letter

How can I map the spanish eñe letter to a key combination? What application is suitable for this purpose (xmodmap, xbindkeys, ...)? When I press Caps Lock + n, it should type ñ When I press Caps ...
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1answer
101 views

How do I generate the sequence “\e[Z” in a terminal?

It is bound to menu-complete in GNU readline. $ bind -p|grep menu "\e[Z": menu-complete # menu-complete-backward (not bound) # old-menu-complete (not bound) I think it's Meta-something.
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921 views

Switch to TTYs without Function keys

At the moment I have a keyboard which lacks function keys (F1 through F12), and I was wondering - is there a way I could switch to textual TTYs (and back, which might prove to be a problem if I were ...
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Disable the external keyboard from a script

I have a udev rule for my external keyboard. I can catch events, and by running a script I can also reach udev env variables. Can I disable keyboard with udev? Or must I use a script to disable the ...
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961 views

How to get user-level access to modifier keypresses in console app?

I need to get access to modifier-key state for a console app I'm writing (a personalized editor). Are there any packages/libs/whatever that provide this access? I cobbled the following from ...
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How does X map from kernel key scan codes to a keysym?

According to this page there is no direct mapping from udev key mappings to X, it has its own mappings. X has a (quasi) total independent way of mapping keys: X reads the kernel keycode table at ...
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Disabling caps lock by setxkbmap makes it Shift key in Emacs

I'm using GNU Emacs 23.2.1. within Xfce 4.8.0 (both coming from the Ubuntu Natty repository). I disable the CapsLock by running /usr/bin/setxkbmap -option "ctrl:nocaps" at the beginning of the Xfce ...
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6k views

'd' Key on VNC Viewer Minimises All Windows

I'm running vnc4server on an Ubuntu 10.10 box, and connecting to it from an Ubuntu 8.04 machine using TightVNC Viewer 1.3.9. I'm unable to type anything with the character d within the VNC session, as ...
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Remapping caps-lock to escape, and menu to compose, on the linux console

When running X I use a .xmodmaprc to remap certain keys thusly: ! Make it so that both Caps Lock and Escape do Escape clear Lock keysym Caps_Lock = Escape ! Remap the menu key as Compose keysym Menu =...
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338 views

How to remotely send a keypress to an X11 application?

I've got an X11 program (Mathematica/Linux) running which contains unsaved data (calculated after I left; unfortunately I didn't have the foresight to programmatically save the data). Now I've gotten ...
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Recognise extra keyboard keys: Steelseries Apex

I've got a new keyboard (Steelseries Apex). It has extra key, but I can't get linux to detect it. I tried xev, getscancodes, showkey --scancodes and dmesg! Any of those command give me error or code ...
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How can I automatically disable my laptop's built-in keyboard in X.org?

Distro and X.org Version Information I am using Ubuntu 12.10 with xserver-xorg/quantal 1:7.7+1ubuntu4. Disabling Built-In Keyboard in X11 I have a laptop with a built-in keyboard that no longer ...
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How to change a keycode using setkeycodes

I have a Thinkpad Edge E130 running Sabayon (a Gentoo-based distro), and I'm fighting the well-know bug Xorg 255 keycodes limit. My laptop has the Fn+F4 hotkey for Mic Mute/Unmute. This is the ...
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2answers
4k views

Disable scroll lock

We have a shell/tty based application that has ~1,000 users. It is running in an environment where X Server is not available. If a user accidently turns on the Scroll Lock, it makes it seem as if the ...
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3answers
516 views

Diagnosing xmodmap errors

I'm getting this error when trying to use xmodmap to get rid of caps lock: $ xmodmap -e 'clear Lock' X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode ...
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1answer
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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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1answer
964 views

Trying to set keyboard layout using Xorg configuration but it's not working

I'm trying to set my HP Pavilion g6 keyboard layout to English(us) and Arabic(ara). I'm using Fedora 18, but followed Arch Wiki anyways. Here's my 90-keyboard-layout.conf file : Section "InputClass"...
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1answer
354 views

detect if key is pressed from script

I would like to detect if a key is being pressed when running a script. I have the following script: #!/bin/bash sleep 0.5 xte 'str sometext' I run this script using a shortcut to paste "sometext" ...
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1answer
1k views

What does GNOME do with multimedia keys?

GNOME makes multimedia keys, such as fn+directional keys on my laptop, maybe dedicated keys on your keyboard, into very useful keys. They seem to work with a large number of application. What can I do ...
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2answers
1k views

How do I fix unix so that I can use the arrow keys in a terminal?

Before I was able to use the Up/Down arrow keys to cycle through previous commands, but now when I press a directional key it outputs "^[[A". I'm running a bash shell. How do I fix this?
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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 ...
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1answer
254 views

How to properly change the keyboard mapping?

I will try to describe the problem in details. Very often I use external keyboard with my netbook. The keyboard is "TK Stealth": Click to zoom You can see, that the numpad, is very similar to the ...
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1answer
315 views

How can I make the pairing of the 'ltunify' program permanent?

I have used the ltunify pairing tool for Logitech Unifying Receiver, written by Lekensteyn, on my Logitech M510 mouse and K350 keyboard, which works perfectly. However, when I reboot, these changes ...
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2answers
452 views

xmodmap keybindings don't work

I am trying to use Xmodmap to add some german diareses/umlauts to my keyboard, but Xmodmap is not working with them (but is with other remappings). I am following this guide: German Umlauts on US ...
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1answer
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How to turn on Keyboard Autorepeat permanently on VMware instances of CentOS 6?

In my lab we have about 40-50 machines, all cloned with the same image of CentOS 6. For some reason the keyboard auto repeat function decides to randomly turn itself off. Typically we just have ...
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1answer
619 views

Have Sun keyboard moon key (116) not shut down my computer

On my Sun keyboard, the top-rightmost key (with a moon image, right above the keypad) shuts down my computer. I'd like it not to, as I hit it by mistake now and then. In /etc/default/keyboard, I only ...
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537 views

Filtering the keyboard input

I have a program that takes input from the keyboard and presents a nice visualization. The purpose of the program is so that my infant can mash on the keyboard and get the computer to do something. ...
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396 views

Gnome3/Archlinux move windows with keys?

Looking for an app that will allow me to move my Gnome3 windows with keys like Ctrl+Alt+Home to move to top left corner of the screen. Essentially, this is what Winsplit revolution does on windows. ...
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1answer
2k views

How to make BT keyboard available at login and OS selection screens

Is it possible to have my bluetooth keyboard active before I enter into the desktop environment? I'm unable to type in my login and password at the login screen because the Debian hasn't associated ...
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63 views

Reading GPG passphrase from the physical keyboard in OpenBSD

I'm using Synergy to control an OpenBSD desktop from a Linux computer (think of it like a VNC client/server). That is to say what I type on the keyboard goes through a network connection before it ...
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4k 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 ...