The character based display-interface between human and computer.

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10
votes
6answers
233 views

Options to show images when on the console

When I am on the console (the tty, the virtual terminal, which you reach with Ctrl+Alt+F1-6, not a terminal emulator), what options do I have to view images, tiff, whatever that's not text?
1
vote
1answer
354 views

Try to disable console output, console=null doesn't work

as mentioned above, I want to to completely turn off the console output, but putting console= or console=null in the kernel command line doesn't change a thing. When I enque quiet to the kernel ...
1
vote
1answer
47 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.
1
vote
1answer
61 views

What is the Command to check the history of the command executed which should based on the user who accessed it [closed]

I am looking for the command or script to meet the following requirement. I wanted a history of all the users who connected to my machine and what commands they execute in there session and at which ...
2
votes
3answers
457 views

netcat doesn't work as expected when detached from console with nohup (Ubuntu/Debian 64bit)

I'm trying to leave netcat running and close the ssh session (even stop the ssh daemon). But it then exits before all of the data is written. I'm testing in a non-ssh (local) console: nohup nc -l -p ...
14
votes
5answers
8k views

How to clear terminal completely?

When we use clear command or Ctrl+L in terminal, it clears terminal but we can still scroll back to view the last used commands. Is there a way to completely clear the terminal?
5
votes
1answer
188 views

Linux VT Emacs in tmux, breaks color and cursor

TERM is set to screen. I tried with screen-256color, but then the colors went really nuts. I also tried xterm, linux, and some others (that I could think of, not really thinking) but screen is the ...
0
votes
0answers
107 views

trying to open console on LCD using fbcon and USB keyboard

I'm trying to bring up virtual terminal on our embedded system's LCD using USB keyboard which is also connected to the system. I have UART connection to my PC so I've been using UART for console till ...
1
vote
2answers
482 views

How to change the default TTY after boot?

Normally when system starts you have all output printed on the TTY1, and that's ok, but I start X-server via startx and achieve this by the following lines in the ~/.profile file : if [[ $(tty) = ...
0
votes
0answers
71 views

TTY not work after X starts

I have a HP Envy4 5306tx laptop with Intel+Nvidia dual cards, and I install fedora 19 X64 on it without NVidia proprietory driver. However, there are some problems about the X and TTY。 The TTYs are ...
1
vote
0answers
36 views

Why CentOS 6 adjusts console width when running screen?

I run a console window through my PuTTY session. That console windows has a column width of 140. When I start the screen session, the console shrinks to 80 columns. I do not see this behavior on ...
7
votes
1answer
169 views

Why do we need so many terminal emulator packages and what is their use?

This is something that has been so confusing to me for a long time. I am using Linux but I have gaps in my understanding of certain aspects and one is about the terminal. As I came to understand it ...
0
votes
1answer
60 views

Stop tailing log

I have a problem, I accidentally did tail -f on a log, but now I cant quit! - Its the anaconda log during a redhat install. Control-C doesn't seem to work, I guess due to it saying sh: no job control ...
6
votes
2answers
606 views

Detect if running in a virtual terminal?

I'd like to autologin to tty1 on login and then use vlock to lock it. How can I detect from Bash if the current terminal is a console virtual terminal (e.g. tty1), so that I can put the vlock line ...
2
votes
2answers
113 views

Weird escape sequence

I need help identifying what this escape sequences represents. I see this sequence is autogenerating on my server's console, but I'm not sure what is the reason for that. Escape sequence: ^[[[D I've ...
3
votes
0answers
106 views

LDAP: view DIT structure from terminal

Can I get list of existing entries using any console utilities? For example - I can get a tree of my filesystem with tree: $ tree . ├── Catalina │   └── localhost │   ├── host-manager.xml │   ...
2
votes
2answers
2k views

How Do You Pass VGA/VESA Modes with GRUB2?

One of my machines has a 3 TB HD setup to triple boot into Mint 14 (Ubuntu 12.10 variant), Slackware 14.1 and Arch Linux. The HD is formatted using the GPT/Guid system. The Grub2 technically "belongs" ...
1
vote
0answers
223 views

Console Terminus Font Size in Slackware?

I am running Slackware 14.1 mostly from the command line on a 1366x768 monitor (using a vesa mode appropriate for the resolution, 0x34c if it matters, giving me a screen resolution of 1366x768x32 in ...
0
votes
1answer
82 views

Virtual TTY jumps to the next on launching from the Openbox menu

When I launch a terminal from my Openbox menu my virtual terminal TTY jumps to the next CtrlAltF12 slot. It seems that this problem appeared after I wanted some more than 7 TTYs and added some to ...
4
votes
6answers
20k views

Console tool to test internet bandwidth

I'm looking for a tool that will test my internet connection bandwidth and create an simple report like speedtest does. Do you know some program/tool that do this? Something with CentOS packages ...
3
votes
2answers
248 views

Clipboard sharing between the host OS and a virtual console of a VirtualBox linux guest

I have a CentOS guest OS running without X11. Is there anyway I can paste text from the host clipboard into the virtual terminals or highlight text in the vt via the console mouse daemon and paste it ...
1
vote
1answer
46 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 ...
5
votes
1answer
1k views

Read what is written to /dev/tty*

How can I read what is written to /dev/tty*(* = 0 - number of tty)? I tried sudo tail -f /dev/tty1 on one terminal(X) and then sudo cp .emacs /dev/tty1 from another. X didn't show the the content of ...
13
votes
4answers
640 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
votes
2answers
450 views

How can I replace a tty using getty with qingy on ubuntu 12.04 or later?

Qingy is a getty replacement. I'd like to use it for a tty terminal on Linux Mint 15 (in hopes of getting tmux to get proper 256 colors in tty which fails with fbterm) which means replacing getty. ...
2
votes
2answers
73 views

How do I prevent the screen from blanking?

I am running 12.04 Ubuntu Server and my screen blanks after some time. I am unable to unblank it without power cycling the computer. I can however log in via ssh and type who see that the tty1 ...
0
votes
0answers
59 views

Opening TTY or using IBus freezes Linux?

For some reason, whenever I open a TTY, if I switch back to X11, it will be completely frozen except for the cursor. The exact same thing also happens whenever I use IBus to switch to ibus-mozc for ...
29
votes
1answer
776 views

What happens when Ctrl + Alt + F<Num> is pressed?

I am looking for an explanation of what happens in Linux when this key combination is pressed to change the current terminal. In particular, what software component intercepts this key combination and ...
1
vote
1answer
64 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 ...
1
vote
0answers
525 views

Debian 7 - Startx fails to start system

When I boot into the second primary boot loader, I get to the text based console to boot when I type 'startx'. The screen loads, and goes black for 10 seconds. Then when it loads a white screen ...
0
votes
2answers
82 views

Why does the FreeBSD handbook recommend using a virtual console because of system messages? [closed]

Quoting from the FreeBSD Handbook, in section 4.2.1. “Virtual Consoles”: While the system console can be used to interact with the system, a user working from the command line at the keyboard of a ...
0
votes
0answers
82 views

What does it mean to redirect /dev/console through a non-existent file?

I have been trying to follow the "NAND firmware update" tutorial and I am perplexed by these last lines: now, in second stage, all processes are gone, only /dev/console in old root is still open ...
3
votes
0answers
115 views

Getty not starting in qemu

I'm trying to get running an ARM based Debian inside qemu. As a rootfs I'm using structure from embeddedarm 2gb sdcard image with versatile 2.6.24 kernel downloaded from fedora qemu tutorial site. At ...
2
votes
1answer
204 views

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?
3
votes
1answer
129 views

How can I capture an OpenBSD install console?

So.. How can I save the text that is based on Q/A's when installing an OpenBSD 5.3? Or I only have the choice to manually type the texts down? or an OCR software using printscreens?
1
vote
1answer
699 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 ...
2
votes
1answer
132 views

Graphical console applications in Emacs

I am having trouble running htop within an ansi-term in Emacs 24.2. It looks like some of the control characters are not interpreted correctly. I thought ansi-term was capable of handling font ...
1
vote
0answers
556 views

badblocks and “end_request: I/O error” in output

I have 500GB disk in my toshiba laptop, I tried to do backup of files in this HDD but it failed few times (ubuntu just closed copying operation or unmounted disk during copying files). So I boot my ...
1
vote
1answer
127 views

Scrambled Xen Console on dom0

I installed Xen using the recommended procedure on Ubuntu's site using motherboard Supermicro X7SBL-LN2 and Ubuntu 13.04 amd64. After the installing it and rebooting my console looks like this: ...
2
votes
3answers
229 views

RHEL - shutdown a locked out system

I have a RHEL system which is locked out. I don't have the password of the system. If am able to shut it down or properly restart it, I can edit the kernel to have single mode and then reset the ...
1
vote
2answers
4k views

How to set default console keyboard layout in Arch Linux?

Whenever I reboot my computer I have to set the keyboard layout in a console again with loadkeys. Is there a way to change the default keyboard layout that is loaded everytime the computer boots?
6
votes
2answers
3k views

How to change cursor shape, color, and blinkrate of Linux Console?

I know I can change some fundamental settings of the Linux console, things like fonts, for instance, with dpkg-reconfigure console-setup. But I'd like to change things like blinkrate, color, and ...
17
votes
2answers
11k views

How to colorize output of ls ?

I'm running CentOS in Linux text mode. When I run the command ls /usr/, the output is too hard to read (dark blue on black). How can I change the text coloring?
3
votes
2answers
2k views

256 color in real console

I have in my .bashrc export TERM=xterm-256color but this cause blinking all colored text (ls --color, in vim etc.) in real console (CTRL + ALT + F1) . So is there any possibility to recognize in ...
1
vote
0answers
34 views

How to get 256 color support in a login shell TTY? [duplicate]

I want to experiment with a fully text-based environment, however, the only thing that is stopping me - is getting 256 colors so my Vim color schemes could work perfectly. When I enter a TTY by ...
1
vote
2answers
343 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, ...
2
votes
1answer
303 views

Is many consoles in securetty file a risk?

I got a problem So I expect you can give me an answer. I have to evaluate the security of a RedHat server. The idea is review the /etc/securetty file to ensure that only the console tty is listed. But ...
1
vote
1answer
98 views

Clearing the “old” scrollback buffer

This might seem to be a duplicate question but it isn't. I know that I can use printf "\033f" to clear the scrollback buffer of the "current" session but that doesn't work for old sessions. My ...
2
votes
2answers
114 views

Looking for a GUI application to enter linux commands

I am looking for a GUI console where I can enter Linux commands in an entry widget and the result will be output in a text area widget. Is there is such software available? Something like this: In ...
1
vote
1answer
55 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 ...