The system console is an interface used by human to control the computer. Basically, it consists of a keyboard and a monitor that can provide a text user interface.

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accessing stdin/stdout of a process started in another tty

I logged in to my linux physically(say tty1) and started a process that watches stdin for commands and has some stdout-put. How can I access/use this process from a SSH session?
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2answers
1k views

How to switch from TTY to KDE in Oracle Linux

I had installed Oracle Linux. While installing I had selected KDE for the desktop. After finishing I assumed that I could login to KDE Desktop, but I got a TTY. It asked for login and I gave root ...
2
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1answer
207 views

Capture console output from existing process(es) to file [duplicate]

We have a requirement to troubleshoot an existing system running Busybox, we have Telnet access. It would be helpful to log the system's console output (ideally the last n lines of it) to a file for ...
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2answers
2k views

How to exit login screen and start commandline while at login screen

I am at the gnome 2 login screen but I want to exit and re-enter command-line environment. I remember there was a combination hot key one has to invoke.
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1answer
29 views

Cloning output of a terminal

I need to do a presentation over Skype of a command line tool over a fairly flaky mobile connection, since I'm currently traveling. I would like to avoid screen sharing to maximize bandwidth for audio ...
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2answers
63 views

`nl` invocation soaking all input before numbering

How can this be done? I don't see any applicable option in the manual. I have positively checked that indentation breaks after ten million lines. You can check it like: $ (for i in `seq 0 ...
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1answer
136 views

create several /dev/xconsole files

I am using /dev/xconsole to send system logs from rsyslog. That works great, because I am don't have to store the logs on disk. I would like to have another similar file , i.e /dev/xconsole1 where I ...
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1answer
114 views

Send specific signal number with specific key

I want to set a specific key like F12 to send me a specific signal number that out of linux signals range that I can handle this signal with trap command. How can I do that? NOTE: I'm working with ...
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4answers
1k views

Toggle between dvorak and qwerty

I've recently started to learn the dvorak keyboard layout, but I still need to use qwerty sometimes. I'm looking for a script to toggle between the two keyboard layouts. Also, I'd like to invoke ...
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1answer
55 views

Is there a console command that replicates Alt+[F1..F10] to change terminal?

Hi I'm a Linux noob developing a custom embedded barebones distro. I have console access over serial to my machine. I would like to control what tty my user sees on their framebuffer. Currently the ...
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1answer
57 views

Get current output

This just crossed my mind. Let's say that I'm operating a remote machine via SSH and I executed a make command to, e.g. build a new kernel for my machine. While I'm logged in that session, I can see ...
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1answer
728 views

Login other bash ttys after logging in to one

Is there a way to login certain (or all) ttys after logging into one? I don't want auto-login because I still want to login once (for security). I've looked into things like "screen" but they are ...
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2answers
167 views

Saving files on lost focus in Vim

I have been trying to setup the shell version of vim to save any changed files when the shell window loses focus. Following these instructions does not work. Even though I am using OS X, I figure ...
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2answers
38 views

Remotely access my computer's framebuffer console from Android

I need to remotely view my computer's display. I am using programs that I launch from a text console, then they create their own graphical session, like Kodi or EmulationStation (it does not start if ...
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1answer
48 views

How do I keep running a command in the same area of the console window? (“w”)

I'm looking at the output of w: ehryk@ArchHP ~> sudo w 14:12:37 up 4:08, 4 users, ...
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1answer
388 views

text based tool for ldap queries

I need a way to do LDAP queries through a text based interface. I use jXplorer on my own machine but that is a graphical client. Btw, I'm running Ubuntu server 14.04. The background: A server in my ...
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2answers
198 views

Lock console session

I've set up a no-x/console only system running a minimal install of debian jessie/testing. For this system I need a screen locker to lock the entire session when I'm away. vlock would be appropriate ...
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1answer
127 views

Is there any way to play gpu accelerated video without X?

You can play use mplayer on fbdev, but not with the gpu. That's as close as I can find.
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1answer
3k views

/dev/console dynamic redirection

Is it possible to dynamically redirect all data sent to /dev/console into something else (for example - to /dev/null, /dev/tty9 or even /dev/null)? Of course, it can be done statically via ...
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2answers
1k views

What stream does perf use?

What stream does the perf command use!? I've been trying to capture it with (perf stat -x, -ecache-misses ./a.out>/dev/null) 2> results following http://stackoverflow.com/q/13232889/50305, ...
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1answer
63 views

Emacs - Strange Whitespace

(I posted this same general question here on StackOverflow thinking it had something to do with my emacs configuration, but after following a comment there, I think it is exclusive to urxvt) My ...
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1answer
1k views

Can't open the initial console on ARM S3C2440 running utuLinux

I try to mount an NFS filesystem to the target board ARM s3C2440. I've started the NFS service and the portmap service. The server operating system is Ubuntu 10.04. I use minicom to communicate with ...
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1answer
25 views

unable to change screen resolution of tty

I am using Fedora 21 in Oracle Virtual Box. I am using just tty (no GUI). I need to increase screen resolution, I tried following things but failed: xrandr but gives me error: cannot open display I ...
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1answer
20 views

How to show a notification a la Growl to all Linux consoles

I'm building a textmode only linux netbook. I'd like to show information (like battery status) when pressing a hotkey, that would appear on top of whatever running program and disappear in a few ...
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1answer
49 views

TTY/Console Wallpaper Arch Linux

How can I set a wallpaper for a TTY/console (also during boot) on Arch Linux like done on OpenSUSE? I think a Kernel recompile is needed?
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2answers
105 views

How can I configure /etc/kmscon/kmscon.conf to use specific a) font and b) keyboard layout?

I recently installed kmscon on my system. Now I want to configure it to use a different keyboard layout (neo2) and, while I am at it, a different font, too. I stumbled across this question here when ...
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1answer
92 views

Remapping Caps Lock to Compose

Because I now and then need to use scandinavian letters despite using US Dvorak as my layout, I would like to use Caps Lock as a compose key. (I don't need Caps Lock at all, I'm not a forum troll) ...
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1answer
56 views

Is it possible to access opened gnome terminal session in text console?

I am running Ubuntu 14.04. My desktop environment (compiz and unity) sometimes becomes frozen, which makes it difficult to save my work including text editing in emacs running in gnome terminal. ...
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1answer
217 views

How to stop displaying error logs from the terminal in linux?

I am using Linux, there are some error logs related to some applications are over flooding one of my terminal. They look like this: 20/01 15:54:29.894138[3319][65536] Unexpected exception during ...
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1answer
106 views

Change to rc.local causing hang on tty1

I added a script execution command to my rc.local but forgot to run it in a separate tty. The script has an infinite loop and has hung my tty1. Ctrl-C does not do anything and I don't have another ...
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1answer
133 views

loadkeys has (almost) no effect

I'm running CentOS 6.4 on vagrant and then doing a vagrant SSH into the box. I've been trying to get backspace to work correctly for a while now (as chronicled here: Centos Terminal Configuring ...
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2answers
89 views

Block physical console access

I'd like to block physical console access to my linux. I'd like to find, which module is responsible for keyboard input (ps/2, usb, ...) and vga output (only physical), so I can remove them from my ...
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1answer
117 views

Capture textual snapshot of pseudo terminal

My question is related to Keyboard and Console, but I want to do it for an arbitrary pseudo terminal, and not just the built-in Linux ones. Also, I'm not interested in a stream, I just want the ...
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1answer
3k views

Installing video driver on Arch Linux

I have Arch Linux installed in console mode on an Intel-PC machine. My task is to write and run an OpenGL display program on the machine to check whether it meets the following conditions: It would ...
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1answer
431 views

Can I use xterm to read/write to a pts without spawning another process (e.g a shell)?

I have a process which reads and writes to a pseudo terminal. I would like to open xterm and have it open a pseudo terminal and leave it open so I can communicate with this process without creating ...
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2answers
382 views

Can't switch to console using my own compiled kernel

In my Ubuntu, I can't switch to console through Ctrl+Alt+Fx using my own compiled kernel, and a black screen appears. I can switch back through Ctrl+Alt+F7. Using the default Ubuntu kernel, I can ...
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3answers
6k views

Cannot execute binaries in Ubuntu : file not found

When I try to run any executable file a file not found error occurs. Sometimes it says nothing but doesn't do anything. For example, when I execute ./blah-blah.bin it fails finding the file when it ...
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2answers
433 views

How to log the output of a daemon application?

I have a Java program running as a daemon (thanks to YAJSW, a wrapper for java). The thing is that this java application writes several lines of console text, (simply imagine a Hello World App). If I ...
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0answers
10 views

Map Caps Lock to Escape for server not running X [duplicate]

I am using xmodmap to remap the capslock key to escape for my Linux system running X. I am now working directly on a headless Ubuntu 14.04 LTS server that does not run X. Is there any easy way to ...
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1answer
33 views

How to paint on linux graphical console?

I need to display QR codes on graphical console on Linux. I am using qemu. Can you give me a sample code of painting something on graphical console or a hint how to do that?
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2answers
54 views

Disable laptop keyboard to only use USB keyboard

I need to disable my laptop's keyboard so that keyboard can only be used via USB. I am not using X, I am on the Linux console. The solution should be able to start as early in the boot process as ...
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0answers
34 views

How to detect Keyboard Function Keys in daemon (FreeBSD) [closed]

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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0answers
74 views

Will booting ubuntu in recovery mode use default keyboard layout?

I have a chromebook with Ubuntu 15.04 and I need to customize some of my keyboard keys in xkb. Unfortunately while doing so I managed to disable my keyboard and needed to boot from live USB to revert ...
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1answer
56 views

How should look script that launches program on startup

I want program rescuetime to be launched when computer loads. I've found that for this task script should be created in /etc/init.d/my_script and this lines to be entered to console chmod 755 ...
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0answers
39 views

Setting custom baud rate on console

Just for aesthetics I would like to have my text on my console be displayed at a lower speed. I've tried using things like screen with custom baud rates of /dev/tty1 but it wouldn't work, input from ...
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0answers
41 views

Does all applications which show graphics without an X server has to use the frame buffer device on linux?

I am using limelight embedded on my raspberry pi 2. The application streams games from your Windows PC. It is not an X application because no X server is running. So does this application has to ...
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0answers
400 views

How to rotate the LCD screen/framebuffer to 180 degree?

I have a custom board with a Freecale i.MX6Q SoC. I am using Linux kernel 3.03.35 and LCD is 3.5 inch RGB type display. I want to rotate my LCD screen to 180 degree. I tried a lot to pass parameters ...
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1answer
214 views

change linux text console scrolling speed - without rebooting

Is there any way to change to the text console scrolling speed without rebooting? Currently using Fedora, but non-distribution-specific answers appreciated. ...
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0answers
42 views

What is the difference between X11 keymapping and virtual console keymapping

In linux we have X11 which governors keyboard layouts but sadly any changes made there don't affect the system as a whole so in a tty you are left with standard qwerty no matter what your X11 ...
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1answer
200 views

Backspace and CTRL commands print question marks

I've run into a peculiar issue on a fresh gentoo install. Within the console, the backspace key prints an adorable little question mark inscribed within a square instead of its intended function. ...