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

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tmux doesn't passes correctly ctrl-shift-arrow sequences

Tmux doesn't passes correctly the ctrl-shift-arrow sequences. It doesn't work on emacs, and when I use sed -n l, I see it displays the escape sequence of the arrow key alone instead of the full ...
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16 views

linux keyboard: how remap euro key from sequence ALT 0128 to PgUp?

I have laptop Acer Aspire E1-772G and it have Euro key near cursor keys. I do not use Euro and moreover it is implemented so pressing it generate sequence ALT 0 1 2 8 # showkey -k kb mode was ...
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Can I xmodmap only a specific keyboard?

I'd like to swap some keys but only in external keyboard. Is this possible with xmodmap? I've found this question: Can I Xmodmap only a specific device? but it refers only to mouse. I found here ...
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1answer
10 views

Keyboard layout settings conflicting

I just changed my keyboard to an Ergodox with a US layout (previously it was Portuguese) I use Arch Linux with Gnome 3, so I went to the settings manager, and added US as the default keyboard layout. ...
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using xinput to get device state

I have a simple script to turn my keyboard of written using xinput. How can I get the current state of the device (enabled or disabled) so that when I run the script I can dont have to specify on/off, ...
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Change keyboard layout when using a keyboard or other

Well, i was deep reading into setxkvmap options and changing layouts posts, but i don't find what i need. The problems is the following: I have a laptop running Fedora 23 Cinnamon Spin, the laptop ...
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1answer
5 views

Different languages/keyboard layouts for different users - Debian

I am running Debian 8 Jessie. Would it be possible to set user-specific languages and keyboard layouts for users in Debian?
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23 views

Keyboard doesn't work GRUB after boot on Windows

I have a Razer keyboard and a dual boot (Arch Linux + Windows 7). The keyboard works fine if I just use Arch Linux. Whenever I boot on Windows my next time on GRUB the keyboard won't work anymore. ...
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Ubuntu changes Keyboard layout randomly on boot

English is not my native language so please be patient. Happy new year to all. This is not a vital question, but has become so anoyning that need to be solved ASAP. At work I Use a Notebook Lenovo ...
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Getting stuck in overwrite mode in Tmux

I'm connecting to a remote server from Windows using a variety of ssh clients: Putty, MobaXTerm, FireSSH. I'm doing something, I don't know what, that puts me permanently in overwrite (insert) mode in ...
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21 views

KDE changes keyboard layout on shortcuts

I ran into a strange anomaly with KDE 4.14.3 (Gentoo Linux) on my college's workstation. He had two keyboard layout: hu qwertz and us qwerty, and the hu qwertz was the active layout. When He typed a ...
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10 views

Define a compose key via X config files?

How do I define a compose key for X, preferably via some persistent configuration file? I tried: /etc/X11/xorg.conf.d cat 90compose.conf Section "InputDevice" ...
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1answer
24 views

Linux alternative to alt+numpad codes

I sometimes need to type "alt codes" to get symbols and on linux, it can be inefficient to use shift+ctrl+u then type the code, for example shift+ctrl+u+00a7 for § when on Windows it's alt+21. So ...
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10 views

How can I find the module responsible for interaction with keyboard [duplicate]

I have a laptop and want to be able to turn off keyboard for a while. I use this code: modprobe -r usbhid sleep 10 modprobe usbhid But as my keyboard is not usb, and it only blocks mouse. How can I ...
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1answer
39 views

How to get Unicode values of dead keys from mediumraw console keyboard

In an application that runs in a frame buffer, I read keys from /dev/tty after having set it to mediumraw mode using int fd = open("/dev/tty", O_RDWR); ... ioctl(fd, KDSKBMODE, K_MEDIUMRAW); In ...
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1answer
28 views

input method to type math symbols?

Is there some input method to easily type math symbols UTF8 characters (like U+2200 FOR ALL ∀, U+2203 THERE EXISTS ∃, U+2208 ELEMENT OF ∈, U+2190 LEFTWARDS ARROW ←, etc...)? I would like to type ...
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1answer
83 views

My keyboard generates spurious events

I have an annoying problem using the terminal and I cannot look for a solution on google because I don't know how to phrase it. That is why I am asking here.. So basically: when I have load of text ...
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31 views

How can I remap mouse buttons to modifier keys?

I have a fairly standard Logitech M510 wireless mouse with the three regular buttons, forward and back buttons, and scrolling and sidescrolling. The forward and back buttons are worse than useless ...
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2answers
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Keyboard misconfigured after resume from suspend-to-ram

I suspend to ram. Sometimes when I resume, some of the keys do not work. Some keys are reacting, but ALT-TAB for one is not. What can I do to ask the autodetection to retry configuring keyboard?
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Ubuntu Mint 17.2 ,USB Mouse and Keyboard sometimes only works in Safe Mode

Occasionally , when I restart the computer. The usb mouse and keyboard do not work by the time its ready to log in. They always work in safe mode, and the keyboard and mouse always works on the duel ...
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1answer
18 views

Paste clipboard as text into keyboard buffer

Once in a while I come across annoying web sites, which think they know security and won't allow me to paste password from password manager. I want a tool which allows me to take clipboard text and ...
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39 views

On-screen keyboard does not appear on screen upon focus of input in browser

I am using Fedora 21. I have activated on-screen keyboard using the universal access. I cannot get the on screen keyboard to appear when working on browser, office calc and directory. The only time it ...
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30 views

Can I configure a touchpad to act as modifier keys in some circumstances?

I have Debian and use Emacs a lot. I have an idea which could help me in using modifier keys. Currently I just switch the touchpad off when using Emacs, with this command: synclient TouchpadOff=1 ...
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66 views

msi GT70 2PE laptop with debian---problems getting steelseries keyboard backlight to work

I have just installed debian testing on my msi GT70 2PE laptop, with a steelseries keyboard with backlighting possibility. I have been following instructions on the following pages to get the ...
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1answer
51 views

Translate ascii codes to AT set 2 keyboard scancodes

I want to send a couple of characters with the virtualbox controlvm keyboardputscancode subcommand. The scancodes expected by virtualbox are the IBM PC AT set 2 keyboard scancodes, which in my case do ...
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How do I emulate a virtual keyboard with an arbitrary character set?

I am writing a couple applications that change how your keyboard works. (One that allows key-chording, and another that allows you to say syllables out loud to type individual characters.) The ...
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1answer
26 views

Where do I edit the keyboard “system settings” these days?

The last time I manually edited keyboard settings was sometime last decade. There days it looks like things have have changed. Now, when I use the Keyboard layouts dialog in XFCE or LXDE, I can either ...
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1answer
17 views

Keybord-key and the resulting character. Who is responsible (in the OS) [duplicate]

Pressing a key on the keybord results in different types of characters in different OS's. e.g. pressing the up arrow in windows will result in a nother sequence of characters then pressing the same ...
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59 views

Remapping Apple Keyboard with Linux Mint

I like to use an apple wireless keyboard with my laptop that runs Linux Mint 17.2 Cinnamon 2.6.13 64-bit with the 3.16.0-38-generic kernel. However, I would like to remap the fn, alt, command, control ...
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24 views

Gnome/gdm can't press some key

I installed Gnome on Gentoo.Unfortunately,I found that pressing "s" won't work,just making current window lose focus.I tried xev,and found the following output: //When I preSS a: KeyPress event, ...
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1answer
87 views

How do I enable the on-screen keyboard in the Linux Mint lock screen?

I'm using Linux Mint 17.2. I'm locked out of my own computer after changing my password to one using a 3rd tier character. I had set up my keyboard settings so the windows key enabled 3rd tier ...
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1answer
26 views

Key is not being released on very short keypresses

On my keyboard, when I press a key very lightly and release it quickly (talking about probably 0.1s of button press here), the key does not issue a release event correctly and instead typed repeatedly ...
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Disable Internal Keyboard of Laptop in *nix - Kali Linux? [duplicate]

I have been using a Debian variant - Kali Sana (Kali 2.0). Although my keyboard works almost fine - it randomly has started auto-typing '.' and this interrupts all my passwords + scripting. I must be ...
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1answer
63 views

How to make a comprehensive set of possibilities for defining GNU-screen “command characters”?

I want to somehow generate a comprehensive "menu" of all possible ways to set up the GNU-screen "command characters" for a standard, off-the-shelf "US keyboard" and a specific terminal emulator, say ...
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1answer
67 views

Does SSH access trigger keyboard interrupts?

So, I've been studying the basics for my LPIC-1, and I have a question about /proc/interrupts When consoled into a server, I can see key logging occurring (cat /proc/interrupts | grep i8042 count for ...
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3answers
56 views

How to search for a suitable “command character” for GNU-screen?

I'm having a hard time finding a "command character" for GNU-screen that does not collide with some key combination that I already use. Through Emacs (and org-mode, and my regular shell, etc.), ...
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1answer
23 views

Map a Character key to some modifier key [say Control-key]?

I am so used to emacs keybinding that I use emacs style keybindings on my entire system (with gtk settings). I've mapped Caps-Lock key to an extra Control key. But that doesn't help me from having ...
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28 views

Multiple keyboards same letter fires one keypress

i am using the latest Linux Mint distro with two external keyboards connected to a laptop. Both are identical. Logitech K120 If I press letter a on both keyboards at the same time it seems that it ...
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My tarmak setup through xkb didn't work properly

I was using the dreymar big bag of keyboard tricks http://forum.colemak.com/viewtopic.php?id=1438 to setup my keyboard to learn colemak using tarmak. Now after installing that, I ran : setxkbmap us ...
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31 views

How to use Ctrl+mouse click in tmux?

Due to the change in Tmux2.1, I need to remap my mouse's middle click to tmux's paste: bind -T root MouseDown2Pane run -b "tmux paste-buffer" However, I also would like to enable using Ctrl (or ...
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29 views

Map non-standard hid reports to scancodes for Logitech G105 Gaming Keyboard

So, I've recently purchased the named keyboard and have been doing some reverse engineering as to how the Logitech Gaming Software does things with it. In this process I've discovered that a few magic ...
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31 views

Set up bluetooth keyboard to enter disk encryption password

How can I set up a bluetooth keyboard, so that I can use it to enter the disk encryption key, so that my encrypted linux system boots.
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Shift Key won't work with F1,F2 etc. keys in gnome2. What could be the reason?

I have a vnc session with gnome2 desktop. The following are couple of examples where multiple key press working as expected and the last two examples have unexpected results (with F1 & F2). ...
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Disable the number pad on my laptop [duplicate]

I want to disable the number pad on my computer altogether. Pressing the number pad keys should do nothing, neither insert digits/symbols nor move the cursor. (Why? Because my dog keeps pressing them, ...
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Custom keyboard shortcut to switch on certain language on Fedora

I am using Fedora OS. I need to set up the custom keyboard shortcut to switch keyboard to certain language. I. e. right Shift to English and left Shift to Russian. Fedora keyboard settings allows only ...
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particular Laptop key has no keycode (found with xev from Xorg) [duplicate]

that following key should be XF86AudioLowerVolume, but it has not even a defined keycode, i could assign the function of XF86AudioLowerVolume. I've used xev to find that out. I'm using debian Jessie ...
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1answer
46 views

Adjusting keyboard delay in a TTY?

When using a TTY login shell by entering e.g. Ctrl-Alt-F1 on Debian Jessie. There is inhuman fast delay, specifically I think these values are correct (250ms) root@VB-NB-Debian:~# kbdrate Typematic ...
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1answer
63 views

How do I emulate sending keystrokes through a terminal program?

I need to send keystrokes virtually to a terminal program (like vi or emacs). I want to do something like this: echo -e 'iHello, world!\e' | vi and then have a vi session open with this buffer: ...
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2answers
50 views

Latin characters on Mint - Alt key like Windows

How can I use Latin characters on Linux Mint? I've tried the alt key like on Windows but it doesn't work. I've searched and they say that alt doesn't work on Linux like on Windows. I've tried other ...
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How can I properly map a subset of keys in the linux console?

I have scoured the internet and read a number of articles discussing this topic, but I am not able to map my Shift+Ctrl+Down/Up Arrow to a Scroll action in the console so that I can use the ...