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

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101 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 ...
2
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0answers
214 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
259 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
1k 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 ...
2
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1answer
129 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
821 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 ...
2
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1answer
150 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.
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0answers
122 views

Mint keyboard mappings ignored [closed]

I turned off my computer for the first time in a while last night, and this morning the keyboard isn't behaving. The Dvorak layout is still ok, but the caps lock isn't acting as a backspace, even ...
2
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2answers
161 views

How does a BIOS password work?

I have created a BIOS password. I use the Dvorak keyboard layout. When I switch my keyboard layout to Qwerty and restart, and then type password in with the different layout, there is no change. ...
12
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3answers
425 views

How can I write a “idempotent” .Xmodmap

Currently I have an .Xmodmap file that changes my Command to Ctrl, then changes my Ctrl to Super (I'm running Linux on a Mac). It works quite well, when only run once but on successive runs (for ...
2
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1answer
381 views

How to use numeric keypad as mouse?

Is there a way in Linux mint to use numpad as a mouse on my desktop. I have tried shift+numlock but it did not work. Is there a package that I must install? Articles on the Internet are too old to ...
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9answers
2k views

Keep NumLock always on

I have standard keyboard with numerical keys on the right side (I guess it's called 104-key keyboard). I want to use the numerical keys only as numerical keys. That means, I don't want the NumLock to ...
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0answers
178 views

USB Mouse and Keyboard not working in Linux 4 Tegra

I'm new to Tegra Linux development. I have a Tamontem NG Evaluation board with the Tegra 3 Chip. I installed L4T sample file system from NVIDIA Tegra resources ...
2
votes
0answers
163 views

Remapping shifted function keys in XKB

I'm working on a keyboard layout for the Khmer language and I'm quickly running out of space. My aim is to create a keymap that includes all the characters in the Khmer script as well was their ...
0
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0answers
256 views

Strange behaviour from special keyboard keys

OS: Linux Mint 13 Maya - MATE So, I had a new keyboard through today and there is something strange going on. The following keys are identified as the Shift key. LEFT SHIFT RIGHT SHIFT ...
7
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2answers
1k views

Is it possible for a daemon (i.e. background) process to look for key-presses from a USB keyboard?

I'm working on an embedded Linux project where I will be developing a program that will run automatically on bootup and interact with the user via a character display and some sort of button array. ...
5
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3answers
9k views

Does the Fn Lock (FnLk) on Thinkpad T440s work well with Linux?

I'm considering to buy a Lenovo Thinkpad T440s and to install Linux on it. According to the user guide and photos of T440s, to use F1-F12 you have to hold down the Fn key, or use Fn+Esc to enable "Fn ...
6
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1answer
1k views

How to disable keyboard?

Without unplugging my keyboard I'd like to disable it from the terminal; I was hoping that this could be done using rmmod but based on my currently loaded modules it doesn't look like it is possible. ...
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2answers
1k views

Script to quickly test all keyboard keys

I need to check some notebooks for bad keyboard keys, and so I'd like to speed that up as much as possible. I found nothing for this specific task, so my idea is a script that reads the pressed keys ...
5
votes
1answer
1k views

How to detect which keyboard device is being used

I'm working on a computer with two keyboards and two users. They are using different layouts. The two keyboards are identical. Their device ID can be found easily with xinput, but when typing we can't ...
1
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1answer
462 views

How to permanently disable the Insert key on Linux?

The Insert is located right next to Backspace. So when I am using Leafpad, Gedit, etc., I hit Insert by accident often, which causes the cursor to turn into a bold box which over-writes text as I ...
2
votes
1answer
325 views

Some keys keep getting randomnly ignored when typing on my laptop keyboard

Currently, I have Arch Linux 64-bit installed on the Razer Blade Pro laptop. The only problem I have is that some keystrokes get randomly ignored when typing at normal-fast speed (above 5 keys/sec ...
5
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1answer
384 views

Swapping <esc> and <caps lock> in a way that persists with external keyboards

I have a file called ~/.speedswapper which contains the following: ! Swap caps lock and escape remove Lock = Caps_Lock keysym Escape = Caps_Lock keysym Caps_Lock = Escape add Lock = Caps_Lock ...
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2answers
436 views

A single key on keyboard produces extra keypresses for each simultaneously pressed key

I recently acquired MK-85 mechanical USB keyboard from QPAD. The keyboard works perfect on Windows. It works perfect in Syslinux. It works almost perfect on Linux. The only issue on Linux is that a ...
2
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1answer
1k views

USB keyboard only works intermittently in GRUB 2 on reboots - how to make it work consistently?

Something weird is going on with my keyboard. The keyboard is a USB-connected Unicomp, which works absolutely flawlessly once the computer is up and running. However, GRUB 2 (specifically, ...
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2answers
281 views

Can I do everything on Linux without keyboard? [closed]

Suppose that I have a desktop computer such that everything works except keyboard . Is it possible to install and run Linux to this computer? I guess the answer is no as super user password requires ...
1
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1answer
51 views

“k” key sends focus in event

After a dist-upgrade to wheezy, my "k"-Key misbehaves. When typed in a gnome-terminal, no "k" is printed. Instead the terminal seems to grab the focus and will not release it. If I drag-down the ...
2
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2answers
489 views

Setting repeat rate of USB keyboard automatically

I often connect a USB keyboard to my laptop, and when I plug it in, the default repeat rate is not what I want. I tried changing it using a udev script by adding a rule `ACTION=="add", ...
4
votes
3answers
823 views

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 ...
0
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2answers
293 views

Pg Dn key returns tilde (~)

When I hit Page Down in terminal (I'm using Ubuntu 12.04), strangely I get the ~ (tilde) character. This is annoying especially when I searched my command line history and decided to go to the bottom ...
3
votes
2answers
140 views

Multi-function CapsLock without X

I would like to remap CapsLock to Esc when pressed by itself and Ctrl when pressed with another key without using X. This is similar to a previous question ( Remap CapsLock to Escape and Control ...
2
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0answers
103 views

Xmonad seems like a (physically) painful experience

I've been using Xmonad for several hours after hearing recommendations from several people. Currently my configuration is very basic. I mapped the modifier key to the "windows key" as suggested in ...
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2answers
902 views

Why is my keyboard typing the wrong letters?

While surfing with Iceweasel, I tried typing in a Web address, but I found, that every few keys, it started typing other letters instead of the ones I typed. For example, if I typed ...
3
votes
1answer
239 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 ...
3
votes
1answer
325 views

How to get the actual keyboard device given the output of /proc/bus/input/devices?

When I run: cat /proc/bus/input/devices ...I receive the following output: ... I: Bus=0003 Vendor=040b Product=2000 Version=0110 N: Name="Generic USB Keyboard" P: Phys=usb-0000:00:1d.0-1/input0 ...
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0answers
33 views

Changing keypad settings

When I setup my Ubuntu machine, I had the option to configure the keypad style in the gnome control panel. I used to check the setting that enables windows-like behavior (Shift+Keypad does not toggle ...
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2answers
43 views

the n key does't work anymore but N does

I've been playig around xmodmap to create a custom keyboard (see Get the keycode of a key, from a custom made keyboard) But now, I can't use the n key anymore, but the Shift+n still work. I think I ...
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0answers
139 views

Tilde when clicking <Del> key

I am using XFCE Terminal emulator 0.4.8. My ~/.inputrc file: # Insert Key "\e[2~": paste-from-clipboard "\C-v": paste-from-clipboard "\e[A":history-search-backward "\e[B":history-search-forward ...
2
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2answers
606 views

Key mappings in Linux

What do people mean when they point out that the "keys are not properly mapped" in a Linux installation when working on the command line? Isn't the default installation OK? What extra/specific ...
11
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1answer
433 views

Get the keycode of a key, from a custom made keyboard

I'm trying to transform a Minitel to a computer with a Raspberry Pi. This is a minitel: So I soldered the matrix of the minitel keyboard to a usb keyboard pcb, like this: Everything is working ...
4
votes
1answer
440 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 ...
1
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0answers
412 views

Check if Keyboard and Mouse are plugged in

Is there a way to detect if a keyboard and a mouse is plugged in (and working) in Linux? This will be embedded in a PXE setup, so I only have Kernel + Modules and Busybox available. Bonus question: ...
1
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1answer
112 views

After I log in, Debian stops registering input

So I just installed Debian on my (other) computer, and I've run into an interesting problem: once I log in, the keyboard and mouse buttons don't work. I can move the mouse, but clicking does nothing, ...
1
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0answers
352 views

Caps lock delay problem

With using caps lock for word capitalization, when I type fast using my Linux distro, I get the following: CAps LOck NOt WOrking PRoperly. I tried the same keyboard on a windows machine, it works ...
10
votes
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 ...
4
votes
3answers
5k views

How do I change currently selected keyboard layout from command line?

I have my keyboard layouts (two of them) and switching between them configured via the following command: setxkbmap -layout us,ru -option -option "grp:lctrl_lshift_toggle,ctrl:nocaps" Now I want to ...
1
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0answers
360 views

Anti-ghosting (NKRO over USB) keyboard

I've recently bought a new keyboard and was surprised to find that it didn't work in Linux. This keyboard does strange things to handle multiple key presses (ant-ghosting) over a USB interface. While ...
3
votes
2answers
170 views

First key pressed repeates forever

I just installed CentOS 6.4 on an old machine I acquired for a development box, but I am running into keyboard issues I can't get around. I start the machine and go to type a user name in and ...
2
votes
1answer
199 views

How to make Ctrl+PgUp and Ctrl+PgDn change window tabs

I am running GNOME 3.4 (Debian 7.0) and my laptop (Gigabyte Q2532), unlike all those I've used before, doesn't change application tabs with CtrlPg Up and CtrlPg Dn. This forces me to use Alt0...9, ...
1
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1answer
84 views

Change one typed key for another

I have LUbuntu 13.04. Is it possible to change the keyboard on the operating system, so that when I press k for instance, the system will hear it as I actually typed m? Or any other key for that ...