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

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How to specify a specific product in udev hwdb file?

I'm trying to remap the buttons on a peripheral that incorrectly has its buttons mapped to F keys. To remedy this I'm trying to use a udev hwdb file to remap keys only on specif devices. So far my ...
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1answer
40 views

TTY being flooded by button that doesn't exist being held down

Alright, I'm not really sure what's going on here. My laptop is a Dell precision m4800 running Ubuntu 15.04 64bit. It boots fast, without any issues, and I am able to login and generally go about my ...
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1answer
13 views

Wine over ssh X11 forward, keyboard problem

When i run: ssh -X myRemoteLinuxIP gvim everything works fine. But when i run: ssh -X myRemoteLinuxIP wine notepad mouse works OK, but keyboard keep typing chars inside ssh terminal window, not ...
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1answer
23 views

No keyboard layouts in Cinnamon 2.6.7

I upgraded my Cinnamon DE (in Linux Mint 17.1 Rebecca) via sudo apt-get install cinnamon, from my Xfce DE. All is working well except for the keyboard layouts. I'm stuck with a US English layout and ...
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22 views

Strange behaviour of the 'r' key on keyboard

I have an Arch Linux machine whose 'r' key started misbehaving recently. This only happens when the language is set to English (in another language, it works correctly), which makes me suspect it's ...
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2answers
256 views

How do I select text from terminal by using keyboard only?

I used to select text via mouse click+drag but I want to know if I can do the same thing via the keyboard only? I am talking about selecting text with the help of the keyboard on gnome-terminal, etc. ...
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keyboard shortcuts for placing an xfce4 window into the corner

In windows 7 using Windows Key + Left or Right arrow makes a window take up half the screen. XFce 4 has the ability to tile either two windows side by side or 4 windows one in each of four corners ...
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adding keyboard to ubuntu server kiosk

I've set Ubuntu server to be a Kiosk. Now I need to add Hebrew keyboard as-well for the browser. I've run the command: sudo dpkg-reconfigure keyboard-configuration And chose Hebrew and set ...
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14 views

All-in-One keyboard and touchpad device, disable touchpad

Im using Xubuntu 14.04. I have a Logitech TK820 (keyboard touchpad combination) and wish to disable the touchpad. In the X log I can see that it is configured as mouse and configured as keyboard. I ...
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How to remap an F key on a specific Keyboard?

I have a peripheral attached that is actually not a keyboard, but all of its buttons are being treated as F keys, they all send the same scancode and keycode as the standard F keys (based of of ...
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1answer
68 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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13 views

Ommitting keypressings? (weird problem)

My machine thinks I am pressing keys continously sometimes. Even without keyboard. Xev output here: http://pastebin.com/t0iEKUaE This is just a few sec of it. I am on firefox now, which is ...
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53 views

Letter Q stopped working on keyboard [closed]

Letter Q and q stopped working on my keyboard. (I had to find an ascii chart to copy and paste the character.) I really have no clue what's going on. xev produces the following output. ...
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1answer
139 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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Caldera Debian Keyboard Output Chinese Characters

So, I'm an involuntary IT guy at my current position, and we have come across an issue with Caldera's flavor of Debian Linux. For some reason, with no real prompting, our keyboard starting typing ...
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35 views

Where does Debian (Ubuntu) store key mappings?

I've just replaced my Debian installation with Ubuntu today. In my old setup, I configured the Caps Lock to work as another ctrl, but I can't remember how exactly I did it before. However it got ...
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1answer
40 views

Reading keypresses in shell using trap and Unix signals

I am trying to grasp a fairly involved Unix shell (tested in bash) function that listens for keypresses. The full code can be found here. The part I am having trouble understanding is the purpose of ...
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Linux Mint keyboard and mouse take a long time to work after boot

I turn my computer on, select my linux harddrive, and then I end up at the Linux mint encryption password area. I have to wait about 1 minute just for my keyboard and mouse to actually light up and ...
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kmscon and deadkeys

How can I configure kmscon to use dead keys? I already have xkb-layout=br in /etc/kmscon/kmscon.conf, but the dead keys don’t work. (' + e gives me e instead of é). The layout seems to have been ...
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1answer
44 views

My keyboard will not type 'm' or backspace

I am running Arch Linux. Recently, out of nowhere, I have been unable to use the 'm' key or the 'backspace' key on my external keyboard. The keyboard on my laptop works fine. The keyboard I have ...
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50 views

How to get the mouse/keyboard raw events?

I want to intercept the raw events from the keyboard (or the mouse, eventually). I tried to use the /dev/input/[...] files, they are very practical and I can read the events of any key even caps lock ...
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1answer
48 views

Low mouse and keyboard framerate in Fedora 21

I have recently added a Fedora 21 partition on my workplace machine, however i'm experiencing the curious issue that my mouse and keyboard "framerates" are incredibly slow. The mouse cursor is ...
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Some of fn keys not recognized after upgrade

After upgrading my system (including kernel) I discovered that some of fn keys (XF86MonBrightnessUp and XF86MonBrightnessDown) are not recognized by xev and even showkey. Each time one of these keys ...
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Reading a 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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meaning of ^[[A ^[[D ^[[1;3C and other notation [duplicate]

I noticed that if i type arrow keys on the terminal when it busy on some other process, for example after running gedit without an & i get these symbols i don't understand. I was unable to find ...
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How to permanently remap caps lock to esc in X11?

I want to remap caps lock to escape in X11 (i.e. pressing the physical caps lock button will be interpreted as esc by applications and esc's behavior will not change). The solution must survive an X ...
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67 views

Media key problems with Microsoft keyboard

I have a Microsoft All-in-One wireless media keyboard (n9z-00001) which behaves weirdly with my current distribution, Arch Linux. (Linux 3.19.3-3-ARCH #1 SMP PREEMPT Wed Apr 8 14:10:00 CEST 2015 ...
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38 views

some function buttons not recognised (even at scancode level) after resume from sleep

As in the title, some function buttons are not being reconised after resuming from sleep. systemctl suspend is used. The buttons work fine after boot and before the sleep but not after. I have tested ...
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1answer
61 views

How to bind AtlGr to Ctrl+Alt in Debian 7

I'm new to Linux and recently I installed Debian 7 in my laptop. I used to use Ctrl+Alt shortcut all the time in Windows, but in Debian 7 I can only use AltGr. So, I was trying to bind AltGr to ...
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Unable to prevent keypresses from unsuspending laptop

It appears that due to the poor build of my laptop, keys sometimes get pressed in my backpack, even though the lid is closed. This causes it to silently resume from sleep, then overheat and drain the ...
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1answer
74 views

udev keyboard remapping with hwdb for secondary keyboards

I have a laptop, and I save the following to /etc/udev/hwdb.d/90-custom-keyboard.hwdb keyboard:usb:v*p* keyboard:dmi:bvn*:bvr*:bd*:svn*:pn*:pvr* KEYBOARD_KEY_1a=a KEYBOARD_KEY_1b=b and run $ ...
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How to set up XKB to work with 3 modifier keys and 2 switchable layouts?

Consider the following XKB layout: xkb_keymap { xkb_keycodes { <ESC> = 9; <FK01> = 67; <FK02> = 68; <FK03> = 69; <FK04> = 70; <FK05> = 71; ...
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My shift/ctrl and numlock keys stopped working

My ctrl and right-shift keys are not responding, though they still work in a VMware window. Numlock doesn't work. A held-down key does not repeat. clicking in a field in another window does not make ...
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Remapping Num Lock key to function as Caps Lock

As a followup to this question, my Caps Lock key is now mapped to Compose instead. However, it turns out that my 14 month old toddler still manages to turn on Caps Lock from time to time with his ...
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Xmodmap remapping Caps, but still triggering Caps Lock

Im using CentOS 6.5 workstation, pretty standard config, with normal dell keyboard, EN/US lang and keyboard layout. I have the following in the .Xmodmap keycode 66 = Control_L clear Lock add Control ...
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How many bytes can a keypress return? And should a metafied key return more?

I've been tooling around w/ this input reader lately. Currently it only prints a report to stdout for each key pressed while it runs, but I would like to graduate it to a higher purpose sooner than ...
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How to attach keyboard and mouse to another screen?

By default, the X server would attach keyboard and mouse to display 0:0, but how to change it to another screen such as 0:20?
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45 views

How do I realize a Shell Script that keeps track of how long the keyboard has not been used ?

Is it possible to write a script that counts the time between two pressed keys, so that one could put a script into the crontab that checks if the keyboard had not been for longer than a certain time ...
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Map characters to key-combinations

Is there a way to map special characters to the keyboard, using a combination of keys? For example, having Alt+A print out a Greek alpha letter, or having Alt+⇨ print out an implication arrow.
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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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Remapping two (simultaneous) keypresses to a single keycode

Is it possible to use X keyboard functionality to remap two keypresses to different keycode? I am asking because couple of keys (such as Q and P) on my laptop don't work anymore, thus I have to use ...
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1answer
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make existing rdesktop session grab keyboard/mouse

By default, rdesktop grabs keyboard, so that key combinations such as Alt+Tab or Alt+F4 act inside the rdesktop window. This can be overridden with the -K option rdesktop -K myserver.mydomain.com ...
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How to map extended buttons on mouse?

I am trying to follow this guide to using a Logitech G600. I have (using a windows computer) mapped each key combo on the mouse to something on a normal keyboard. I have set up some rules in ...
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How to show the status of all modifier keys in X11?

I have a remote connection through NX client (Remmina) on my local box (Ubuntu 12.04) onto a remote Linux box (CentOS 5.3) with no root privilege, and it only has a strictly restricted internet ...
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52 views

Make a key act as a modifier when combined with another key

I want to achieve the following effect: [ Key1 pressed & held, then Key2 pressed & released, then Key1 released ] acts as [ Ctrl + Key2 ] but Key1 pressed and released act as Key1 So, for ...
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password is not recognized on login via wireless keyboard?

When I start my Linux Mint, the first display I met is the Login-Display. I am asked for my username and I can type using my wireless keyboard, the username is beeing displayed correctly. But after ...
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Bluetooth keyboard not showing up in /dev/input

I've just installed an Apple Wireless keyboard on a Debian system. I used this guide and only console tools — no X on that machine yet. The keyboard works fine. Now I want to remap a right Cmd key ...
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103 views

How to turn off scroll lock LED, indicating keyboard layout, when the PC is turned off

I edited the file /etc/X11/xorg.conf.d/90-keyboard-layout.conf: Section "InputClass" Identifier "keyboard-all" MatchIsKeyboard "on" MatchDevicePath "/dev/input/event*" Driver "evdev" ...
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Why when I press bloc num, my linux writes on disk?

As title, when I enable or disable the Bloc Num, my Archlinux writes something on disk. I can't understand what it saves, probably it's logging, but I can't find nothing in logs. And also, why should ...
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120 views

How to enable Acer Aspire One 725 0802 touchpad & F Keys?

I recently tried to install the Elementary Luna OS using Unetbootin. Instead of installing to a USB or CD to boot from, I installed the OS to the hard drive. It seemed to install fine, the BIOS ...