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

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Use hardware button for onscreen keyboard

I have installed Linux Mint on a tablet computer. This computer runs the same as a PC, but it does not have a built-in keyboard. I want to use the hardware button to load the onscreen keyboard. How ...
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1answer
23 views

Targus USB number pad not working in Debian Wheezy

I am running a fresh install of Wheezy x86 and trying to connect a Targus number pad (model AKP10US) which has the USB Vendor/Model IDs of 05A4 / 9840. (FWIW the system is also running in VirtualBox) ...
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20 views

How to remap the keys with xkeycaps?

I'm trying to remap different keys (for example, I want the "Y" to be "space"). XKeyCaps let me choose the keyboard, and shows correctly when one key is pressed. But the right click menu that allows ...
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18 views

How to remap keycodes via setkeycodes?

I'm trying to change keycodes of some keys, but I don't get one thing. If I use /lib/udev/keymap, I get the following output: # /lib/udev/keymap -i input/event1 scan code: 0xC022D key code: zoomin ...
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1answer
46 views

How can I print out the current keybindings in Linux/Debian? [closed]

How can I print out the current keybindings in Linux/Debian ? I tried xmodmap -pp and got the response: xmodmap: unable to open display ''
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1answer
30 views

Forcing keys to run bash scripts

Is it possible to define bash scripts for all keys on keyboard so that by pressing any key the bash script for that key will be run? The scripts may do anything, for instance they may save the key ...
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27 views

How can I set repeat rate of USB keyboard with udev?

How can I get my keyboard repeat rate to apply to a hotplugged USB keyboard? I made a udev rule to set the keyboard repeat delay and rate, /etc/udev/rules.d/99-usb-keyboard.rules with the following ...
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1answer
30 views

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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1answer
30 views

Why does showkey show a different keycode compared to xev?

Looking for an answer I came across this question. There's something like this: The keycode X uses and the keycode the kernel uses are OFF BY 8 for "historical reasons". So take 97 - 8 = 89 and ...
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36 views

delete key doesn't remove selected files

In file manager or on the desktop when I select a file and hit delete key it does nothing. Shift+delete works fine, as well as deleting in text editors. I'm using Debian Wheezy 7.4 with xfce desktop ...
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1answer
80 views

How to regain control of my computer?

I am running a database server on my computer. Sometimes it takes up so much memory resources that the system stop responding to keyboard and mouse inputs. Although I can move the mouse pointer and ...
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1answer
24 views

Minix randomly fails to accept keyboard input

I'm currently toying around with Minix 2.0.4 on a somewhat dated 80386 based system with 8 MiB of RAM. I've succesfully managed to install Minix, but I randomly encounter the following issue: When I ...
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1answer
75 views

Insert a character that isn't present on my keyboard on Linux Mint

As stated in the title: How can I use Alt+<ASCII CODE> on Linux (Mint 16) on a netbook which doesn't have a num pad nor a "Num lock" button? I found lots of tutorials for Windows, but no one ...
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1answer
174 views

How do keyboard input and text output work?

Suppose I press the A key in a text editor and this inserts the character a in the document and displays it on the screen. I know the editor application isn't directly communicating with the hardware ...
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23 views

Alternate keyboard inputs: dwm on Debian

Currently my laptop's keyboard has some broken keys (z, x, c). When using my Windows partition I know I can just use Alt-codes to enter the keys or use alternate hotkeys for the respective keys (Alt- ...
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3answers
83 views

key bindings table?

Do we have a key bindings table that translates all the various ways of referring to a key press? I'm using zsh, but I presume that if there was such a table it would work for any shell. The reason I ...
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1answer
102 views

USB keyboard doesn't work with Debian installer

I have a wired USB keyboard. I've written the latest netinstall Wheezy image on my USB pendrive (using dd). It boots but the installer doesn't recognize the keyboard! (The same pendrive works on my ...
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23 views

AltGr key released when rappidlby pressing other keys

I have a Norwegian Lenovo USB keyboard. When I hold AltGr and press v and b rapidly, it produces “bvbv instead of “”“”“”. I get the latter, expected, result when pressing v and b slowly. Never ...
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1answer
34 views

pressing @ in the keyboard gives " (and # gives £ ) in mint16

Hello I am using mint16(cinnamon). When I try to write @ it shows ". That is, key functioning of these two keys has got swapped somehow. Can someone please suggest a way to get rid of this problem.
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1answer
45 views

Since I execute 'stty erase ~' I can't type / anymore in Putty

Yesterday I was fed up with being forced to type Caps+Backspace to erase character in Putty, because a Backspace was printing a ~. I found some info on internet saying you should type stty erase ~, or ...
3
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1answer
111 views

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
68 views

How to display the current keyboard layout?

Is there a utility that allows to graphically display the current keyboard layout? This can be useful, for example, when writing in a foreign language and having the physical keyboard only ...
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0answers
99 views

Is there a way to turn on the function key indicator based on capslock status on Lenovo ThinkPad Yoga?

The Capslock key comes with no LED indicator light on newer ThinkPad models. The Fn key has a light for when FnLk (function lock) is turned on (as if that's more important that the capsloack ...
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2answers
121 views

How can I set the keyboard right on X?

Note: forked of this per recommendation here. I made a foolish typo for UTF-8, and expected that when I fixed it, the keyboard on X would work right. Since making this errant change, I was no ...
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137 views

install opensuse: Brightness is too low and keyboard fn keys do not work

I installed OpenSUSE 13.1 in dual boot on my Samsung ATIV Book 6 pre-installed with Windows 8 with a USB key (ultrabook, no DVD reader at the moment). Brightness is too low and keyboard fn keys do ...
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1answer
105 views

how to send keyboard signal using a shell script

I have an application in graphical interface that when I run it, it's not opened in full screen mode, but when I use the keyboard shortcut Alt+Ctrl+M , it becomes fullscreen, I want to change the ...
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1answer
63 views

Writing single-handed layouts for X

I know someone who'd really like to be able to type with only the left hand, so I had the idea of writing a layout which "switches" the sides of the keyboard when the caps lock key is pressed. For ...
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1answer
70 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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54 views

OS X-like deadkeys behavior on Linux

I'm on Debian (actually Crunchbang), and my notebook has a default US layout keyboard. My native language is Brazilian Portuguese (pt-BR), so I've changed my layout with setxkbmap -layout us -variant ...
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1answer
81 views

How do I find out the keycodes for Ctrl+up and down arrow for TERM=screen?

I am using tmux a lot, and I have already managed to tune my OS X terminal to send the correct key codes for Ctrl+left and right arrow (\033b and \033f). I found those information on the web. However, ...
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2answers
36 views

GRUB2 and Foreign Keyboards

If I have GRUB2 installed on a system that is using a foreign keyboard and I want to use CLI Mode, what key would I press? On Latin-based keyboards, we would press "C", but other alphabets lack the ...
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59 views

X keyboard layout unable to toggle

I don't understand why alt_shift_toggle is not triggers keyboard layout switch This is what I have localectl status System Locale: LANG=en_US.UTF-8 VC Keymap: us X11 Layout: us,ru X11 ...
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2answers
140 views

How do I disable the left CTRL on Ubuntu 13.10?

How do I disable the left CTRL on Ubuntu 13.10? Actually I can do it already. All I need to run is xmodmap -e "keycode 37 = " The problem I have is this only works if I run it from the terminal ...
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2answers
54 views

How to disable onboard (on-screen keyboard) that automatically starts when I log onto my system?

whenever I login to my system (Ubuntu 13.10) onboard (on-screen keyboard) automatically runs. I don't want it to run any more. Why does it run automatically & how to disable it? Long back as far ...
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3answers
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Before logging in my system, any way to make a key simulate another key?

In my keyboard I button doesn't work. I had earlier asked a Q on how to make a key simulate another key. That Q solved the issue only after I logged in my system. I'm working on Ubuntu 13.04. But how ...
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1answer
36 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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1answer
183 views

Remap keys on GNOME3.8 using xmodmap?

I want to remap some keys on my keyboard, specifically: page up key to home and page down to end. On previous versions of GNOME 3 I just created a .xinitrc file that contained: cat .xinitrc ...
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104 views

xmodmap for key combination

With Logitech K290 keyboard via USB, F. keys are not accessible by default, and I need to press Fn before using them, which is not really usable. The Fn key alone does not fire any event in xev. ...
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40 views

Detach keyboard from the kernel

I am writing a remote controller app for an octocopter and want to use a keyboard as an input device for this app but I don't want it to have any effect outside this app. Somehow I would like to make ...
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4answers
192 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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1answer
60 views

How to make a key simulate another key?

In my keyboard the I key doesn't work. So, I use an on-screen keyboard. I'm using Ubuntu 13.04. But its hectic. Is there a way so that I can make another key (for example Home on my keypad) to behave ...
4
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2answers
249 views

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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76 views

Keyboard backlight is very dim

I have a Samsung Series 9 running Fedora. It has a backlit keyboard but even at the maximum setting, keys are not readable. The functions keys controlling the level are working, the OSD indicator ...
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61 views

Keyboard mapping VNC

I recently installed realvnc server on my pc running windows 7, however when connecting from my macbook using the "screen sharing.app" a number of keys are unavailable. For example I need to use the ...
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120 views

udev rule for bluetooth device(logitec)

I want to write udev rule for a Logitec Bluetooth. My keyboard and mouse connect to PC as one Bluetooth device. When I monitor udev, I see there are separate events for keyboard and mouse. I want to ...
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1answer
107 views

Stop laptop keys acting as a numpad with numlock on

I have bought an USB number pad and it's working as expected. Anyway, to use number keys, I need num lock on, and if I turn it on, my keyboard numpad sends numbers instead of the letters... How to ...
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4answers
448 views

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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53 views

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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4answers
524 views

Is there any reason why I get ^[[A when I press up arrow at the console login screen?

Whenever I'm at the console login, I press up arrow intentionally to see the previously typed commands. But I see this ^[[A. But when I press Ctrl Alt Print Screen Scroll Lock Pause Break Page Up ...
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1answer
80 views

Where in the linux kernel sources can I find a list of the different keyboard scancodes?

I was looking for a list of keyboard scancodes in the linux kernel sources, but I did not find anything. Does someone know where to find these? Especially the USB scancodes would be interesting.