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

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Command to simulate keyboard input

Is there a command that exists that can simulate keypresses? I want to pipe some data to it to make it type into a GUI program for me.
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1answer
44 views

Key used in shortcut. How to unmap?

I'm having some trouble pressing the ` key (I had to copy/paste it here) on my Ubuntu. It acts like a weird tab or Esc now. When checking with xkbevd, I get ^[ How can I reset this and get the ...
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How does pressing the “A” key (e.g PS/2 i8042 keyboard) make its way from linux kernel to userland? [duplicate]

I have been trying somewhat unsuccessful to look into how hitting keys on a keyboard ends up with now bytes writen to stdin. I understand that there are different kernels, with different version ...
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15 views

transition to Linux and non-Mac keyboards, how do you do copy-cut-paste and avoid pinkie finger stress?

I'm so used to the comfortable layout of Apple keyboards and I like to use the command key for the most often used combination shortcuts (command-C for copy, command-V for paste and so on), which is ...
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1answer
57 views

How to restore keyboard after deleting packages and a reboot [closed]

I made a terrible (and stupid) mistake. I ran an update operation, and aptitude offered me alternatives that included deleting the xserver-xorg* packages. So I did so, thinking I'd reinstall them ...
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1answer
47 views

Different keyboard layout for each keyboard

my setup is the following: I have a notebook (with integrated keyboard/non-Apple running Arch) and an external keyboard (fancy Apple keyboard) The problem is that Apple uses a different internal ...
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1answer
69 views

Change keyboard layout by shortcut (text mode only)

I've got brand new gentoo on my box. No X installed. I want to know correct way to setup changing keyboard layout while in text mode. (Basically I need a simple way of cycling between three keyboard ...
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82 views

Keyboard doesn't work in X11 after resuming from sleep/suspend

My computer: Debian 8.3 Linux 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) x86_64 GNU/Linux Dell Latitude 5420 I'm using XMonad window manager, some applets (in stalonetray) ...
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15 views

Using overlay feature much like a shift

Using XKB, how could I make the keyboard send the keysym <RTRN> when I press Ctrl-J? The goal is to make sure that every program recognizes this key combination. I know there are overlays. But ...
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2answers
121 views

UDEV executes bash script only partially

I have this UDEV rule, which gets activated when I plug in my keyboard: ACTION=="add", DEVPATH=="/devices/pci0000:00/0000:00:14.0/usb3/3-1/3-1:1.0/0003:046A:0011.00??/input/input??/event[0-9][0-9]*", ...
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1answer
73 views

What is the most probable cause of terminal freeze / unresponsive keys?

What is the most probable cause of terminal freeze / unresponsive keys? I'm a relatively new Linux user (2 yrs) and am still learning to use the command line. I have used xkill and similar commands to ...
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183 views

How to remap (“at the software level”) the Fn and Ctrl keys in an Acer laptop?

I have an Acer Aspire V5 laptop for home use whose keyboard's lower-left corner has the keys arranged like this Ctrl Fn  ❖ Alt This differs from, and IMO is less comfortable than,...
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173 views

Mouse and Keyboard not working in Linux Ubuntu 15.04/15.10 after update

yesterday i installed some updates with the automatic ubuntu updater and shutdown my pc after that. now i try to reboot and i now have the problem that my mouse and keyboard aren't recognized (not ...
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1answer
140 views

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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1answer
40 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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0answers
61 views

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
24 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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1answer
49 views

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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1answer
92 views

Change keyboard layout when using a keyboard or other

Well, I was deep reading into setxkbmap 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
61 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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87 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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25 views

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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44 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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15 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
67 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
53 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
35 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
137 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. When I have load of text on terminal (for instance after a dmesg) and ...
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0answers
200 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
25 views

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
54 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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0answers
135 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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36 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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161 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
137 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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65 views

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
31 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
24 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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198 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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48 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
223 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
43 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
72 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
77 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
64 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
39 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 ...