The character based display-interface between human and computer.

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Is it possible to access to the framebuffer in order to put a pixel on the screen from the command line?

I am not sure if it is the only possible way, but I read that in order to put a single pixel onto the screen at a location of your choice one has to write something into a place called framebuffer. So ...
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0answers
15 views

What is the kernel frame buffer?

I was reading the "mplayer" man pages trying to play video using just the console, (I don't have or don't want to install X11). It mentions that I can use the kernel frame buffer device which is ...
5
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2answers
128 views

How and where is $TERM interpreted?

I'm wondering how some terminal magic works internally. While playing around with docker containers, the environment variable $TERM was not set. This led to strange-looking console applications like ...
8
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2answers
507 views

Can I save output from a previous terminal command using only the keyboard?

I just spent the last two hours running a dd command (or picture any similar "difficult to re-do" scenario) from a live CD without a GUI; all I have is my trusty "multi-window" (CTRL+ALT+F#) Bash ...
2
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0answers
25 views

Different console font sizes on two installations of debian wheezy

I have installed Debian Wheezy on two different partitions of the same desktop computer. The first installation was done a few months ago with a version 7.5 iso image. The installation has been ...
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55 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 ...
2
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0answers
37 views

Keys for copy & paste in FreeBSD console

How do I copy paste text inside the FreeBSD console? I tried ctrl + c, ctrl + v super + c, super + v I have FreeBSD 10.1 installed in VirualBox on a Mac. I am selecting text with the mouse in ...
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1answer
23 views

Historical bandwidth data in a console? (save/load statistics)

So, I found that nload and iftop displays the amount of data that passed and how fast. Now, is there anything like those that can save/load statistics? I want to measure the amount of data I download ...
2
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1answer
21 views

How can I connect and upload to this FTP host on the console?

A vendor has provided these FTP connection params so I can upload some data for them... Host: host.com Port: 46800 Protocol: FTP – File Transfer Protocol Encryption: Require implicit FTP over TLS ...
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3answers
41 views

How to launch xev from console?

I am trying to launch Xev from console, it always gives "unable to open display", I need to launch xev from a console as another user (I use sudo -u '#1000' to do this). I know xev has a "display" ...
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23 views

printf>stdin unusable with read [duplicate]

With read, sending "a" to stdin is not equivalent to pressing "a" (or use your favorite letter/key). Tested this: ~$ read -n1 & fg [1] 11620 read Then "typed" "a" into the read process stdin ...
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24 views

Kernel loglevel and console manipulation

I want to have two console kernel arguments, one /dev/tty2 for screen and one /dev/ttyAM0 for serial debugging. I can achieve that simply with: console=ttyAM0,115200 console=tty2 I want /dev/ttyAM0 ...
2
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1answer
56 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 ...
0
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1answer
41 views

Remote terminal application

Does anyone know if there exist an application which allows admin run other apps in kind of desktop environment. What i mean is a kind of VNC application which only gives user the terminal console, ...
1
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1answer
60 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. ...
3
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1answer
34 views

Can I remap SHIFT+CAPS LOCK in a virtual terminal?

I recently acquired an old netbook which has no backslash/pipe key. I have successfully remapped the caps lock to backslash using loadkeys. I would like to map SHIFT+CAPS LOCK to the pipe key in a ...
1
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1answer
66 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 ...
4
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1answer
149 views

Change the status of the keyboard leds, from within an X session, without root access

I am trying to force the capslock led on. xset does not work for me, so I am trying to use setleds. In a graphical console, this command returns: > LANG=C setleds -L +caps KDGKBLED: Inappropriate ...
0
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1answer
52 views

Running Linux in text mode - blank diamonds instead of Chinese/Punjabi etc. characters

While in the text mode and using, for example, Chinese/Simplified or India/Punjabi locale I get blank diamond symbols in the console in place of the characters. I am running Xubuntu with ...
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2answers
53 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 ...
3
votes
1answer
89 views

How do I view cp1251 text file in UTF-8 console?

Attempt 1: $ less subs.srt "subs.srt" may be a binary file. See it anyway? <C8><F2><E0><EB><FC><FF><ED> ... Attempt 2: $ LANG=ru_RU.CP1251 less subs.srt ...
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1answer
35 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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0answers
30 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 ...
0
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1answer
100 views

Blank console when exiting X

I'm running Linux Mint 17.1, but this probably applies to most distros anyway. I just installed LM cleanly from a bootable USB (which is fine - I checked) and I need to install the appropriate ...
1
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1answer
63 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. ...
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2answers
74 views

Remap keyboard on the Linux console

I'm using Debian and I want to remap my keyboard because it has some problem. I googled and found xmodmap. But it doesn't work in graphicless mode, like tty1.
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0answers
30 views

adding a console target to GDM

In KDM, KDE's display manager, there's an option to exit the DM and login at the terminal. Gnome's display manager does not have this option. Here's the entry for Cinnamon: [Desktop Entry] ...
0
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1answer
26 views

My guest debian 7.7 boots on a terminal

I have VMware on my laptop and I installed a Debian 7.7 guest on it. An hour ago I powered off the debian, and when I booted it again, it came up with a terminal instead of my graphical environments. ...
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1answer
41 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 ...
6
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2answers
105 views

How to determine the current color of the console output?

I know that, if a coloured terminal is available, one can colour the output of it using escape characters. But is there a possibility to find out, which colour the output is currently being displayed ...
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0answers
74 views

Hot-changing font-size, number of rows / columns on a text terminal

This question comes from this other. I have no X-Windows installed in my system. I just simply would like to change rows/columns in a text console (terminal) without rebooting. The desired behavior ...
1
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1answer
62 views

Console TTY displays on integrated Intel HD3000's monitor instead of NVidia GPU's monitor

I've got two monitors attached to my desktop PC's GPU (a GeForce 560Ti) that work fine for X. When I switch to the console TTY, however, both monitors show nothing. The console TTY is being ...
1
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1answer
90 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 ...
2
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1answer
93 views

create several /dev/xconsole files automatically upon boot

I understand from my previous question that the /dev/xconsole file can be created using mkfifo. On my system (Debian Wheezy), /dev/xconsole gets created automatically. I am wondering who creates it ...
2
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2answers
77 views

Is it possible to see remotely what physical display is showing on linux machine without X?

We can use VNC to connect to remote X session but how can I remotely connect to that session which is displayed on physical monitor if remote linux machine does not have X installed? UPDATE to make ...
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0answers
82 views

Disabling all systemd messages from appearing on console

Is there an option to completely prevent all of systemd's messages from appearing on the console? I see these messages appearing on the console and they often come in the way of console logins and ...
1
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1answer
67 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 ...
2
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1answer
62 views

Run an X11 command from a different console

On my Ubuntu 14.04 virtual machine compiz freezes often. I usually swtich to tty1 and kill the process, then switch back to tty7 and, if I can see a terminal window, I run compiz --replace & in ...
1
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1answer
58 views

Default vt number at Linux startup

Whenever we boot into linux, then the default vt used by the kernel is 1. And X starts either on vt2 or on vt7. We can switch back to vt1 with Ctrl+Alt+F1 to see the logs or messages. Is there any ...
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107 views

How to switch between the virtual consoles ttyv1, ttyv2 10 on FreeBSD?

The CTRL+ALT+F1..F12 keybinding does not work. I'm using kde interface.
1
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1answer
71 views

The linux console resolution seting didn't run

I use Gentoo/Linux. Because of some reasons, I want to set the resolution of the console. So I rewrite grub file. GRUB_GFXMODE=1366x768 GRUB_GFXPAFLOAD_LINUX=1366x768 But it isn't run.When I load ...
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0answers
28 views

Kubuntu terminal setting depending on display

I am running Kubuntu on dual screen configuration. Both displays have the same resolutions (FullHD) but the trick is that one is significantly smaller than the other (24 inch monitor vs. 15 inch ...
2
votes
1answer
62 views

Some commands fail when active display/vt is different from where they are running, How to fix/workaround that?

These applets are running on X at DISPLAY=:0 (fgconsole 7). NetworkApplet Related to nm-applet/NetworkManager run this command sleep 10;nmcli nm enable false;beep (you must be connected to the ...
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0answers
74 views

Black console mouse cursor on NetBSD 6.1.5

I am using NetBSD 6.1.5 with VMWare workstation 10. I am booting from this entry in boot.cfg: menu=Boot NetBSD:vesa 1280x800;boot netbsd When using wsmoused in console mode, the cursor on the ...
2
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0answers
106 views

Emulate console by sending data on one UDP port, and receive text from another

Note: I also posted this question on SuperUser, because I'm not sure where it belongs I'm trying to establish a "console-like" connection with a National Instruments cRIO-FRC. It broadcasts its ...
1
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1answer
110 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 ...
2
votes
1answer
162 views

Display power management in console

When in console (i.e. not in Gnome or KDE) the display will automatically power down in case of inactivity. It seems to me to be set to something around 30 minutes. This power management is completely ...
1
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1answer
87 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 ...
3
votes
1answer
96 views

Bind Ctrl+Down in Joe on a Linux console

When I want to select a line in joe editor, I can go to the beginning and simply pres CTRL-Down and this will select the line. I can move somewhere ales and copy the line with CTRL-k-c. The key code ...
5
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1answer
87 views

Printing to an X terminal faster than printing to tty?

In Linux Mint 17, I was testing the printing speed of the default ttys versus the speed of a mate-terminal running on Xorg. To test the speeds, I generated a random file: dd if=/dev/urandom ...