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

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How to detect Keyboard Function Keys in daemon (FreeBSD)

I am interested in writing a daemon that watches for raw key events so I can detect the F-keys on my keyboard and launch programs when they are pressed. How can I detect when these F-keys are pressed? ...
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19 views

Cannot use keyboard within Qt app without sudo

I have an embedded Qt application crosscompiled that runs on BeagleBone Black. It works Ok, but one thing- It doesnt accept keyboard input if i wont run in directly on BeagleBone Black preceeding with ...
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0answers
8 views

Some keys on VNC Viewer on windows 8.1 remoting my debian server doesn't work well

I have a server running Debian 8 Jessie with a windows manager E17 running on it and I have a vnc viewer remoting my server using windons 8.1 but when I tried to write on the terminal of my server via ...
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4answers
1k views

How do I trigger autocomplete without a tab key?

I'm ssh-ing to my machine using my iPhone with an app called ServerAuditior. It doesn't have tab key. See screenshot. How do I trigger autocomplete without the tab key? I don't want to type a lot of ...
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1answer
42 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
8 views

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
62 views

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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1answer
14 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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3answers
5k views

How to prevent the caps-lock toggle effect, without remapping or disabling it?

I have an X11 program that grabs caps-lock, and uses it. The problem is, I want to disable the regular caps-lock toggling, but doing so seems to disable the key. So whatever X11 gets for a caps-lock ...
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1answer
79 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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1answer
25 views

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
578 views

Laptop keyboard occasionally stops working

I have a dirty solution that is to plug a USB keyboard in and execute the following command: setxkbmap -rules evdev -layout us -model evdev Afterward my keyboard will work. This solution only ...
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1answer
24 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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2answers
261 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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0answers
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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1answer
33 views

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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0answers
953 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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1answer
1k 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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6 views

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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1answer
70 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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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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0answers
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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2answers
2k views

Keyboard Shortcut To Send Text Strings To Program

How can I configure a shortcut key to send a text string to the current program? The purpose is to type common entries quicker (email address, street address, phone number, username, favorite quote, ...
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7answers
2k views

Enabling Numeric Keypad

I have trouble with the numeric keypad (NumLock keys) being unusable while typing. While I don't think it's GUI specific, this happens both in Gnome and KDE. Sometimes it works in TTY, other times it ...
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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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4answers
3k 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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1answer
142 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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21 views

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
41 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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0answers
364 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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1answer
1k views

How to detect global key presses

I have an Asus laptop that has a special key that can be configured to launch any software (at least on Windows). The general question is: how can I detect any key press (globally)? Then, how ...
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1answer
62 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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1answer
45 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
3k 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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1answer
50 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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1answer
863 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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0answers
59 views

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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0answers
23 views

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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5answers
2k 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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0answers
26 views

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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0answers
54 views

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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0answers
39 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
227 views

keyboard lockup after hold ctrl key

With Fedora 17 I have a PS/2-connected keyboard. If I hold just the left CTRL key down for a period (say 5 seconds) then the whole keyboard locks up. The USB-connected mouse still works and I can ...
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69 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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3answers
5k 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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0answers
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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 ...