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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Linux root access recovery by booting on the console

This is my first question so bear with me please. So I have a concept in mind that I can't quite grasp. Very recently I recovered a root password for a Debian server by booting into single user mode. ...
1
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1answer
43 views

How to power down display on terminal?

I would like to power down/up my display from the terminal. Right now I have: setterm --blank force #wake setterm --blank poke Which gives a blank screen; but active screen (screen still receives ...
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0answers
18 views

Is ipmi still the king of out-of-band? [closed]

I am about to start the process of submitting a proposal for infrastructure changes where I work. There is a mixture of system manufacturers in our environment. Most have ipmi available in one form or ...
3
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1answer
51 views

How can I determine what is printing on my console?

how determine the owner of this output?? what is flooding my console? udev syslog syslogng? edit to accepted answer: I'll accept answer but... I don't use init instead I use systemd. kernel ...
0
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0answers
12 views

PDF-PRESENTER-CONSOLE + XQuartz

I am wondering when I try to launch pdf file (slides) with PDF-PRESENTER-CONSOLE (https://pdfpc.github.io). The XQuartz is launching in the same time, but I only get a black screen without the slides. ...
0
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1answer
23 views

Ctrl+Alt+F1 not working on vnc

I use a real vnc viewer to connect to my host machine. The host machine has linux in the GUI mode. I would like to switch between the GUI and the console mode, however the key Ctrl+Alt+F1 opens up my ...
0
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0answers
24 views

Fresh Arch Installation - Terminal text completely unreadable just after boot

Update: Added additional text to identify which images are merely blurry, and which depict fubar text. My laptop is a Toshiba CB35-B3340. Also called a Chromebook 2, with part number PLM02U-009008. I ...
2
votes
1answer
15 views

Disabling consoleblank on running systems without logging into the console

I have recently added consoleblank=0 to my kernel boot line in order to disable the console screensaver on hosts that are either VMs are are connected to some sort of KVM. This obviously only takes ...
0
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1answer
82 views

Accessing Console Of Ubuntu 16.04 KVM Guest

When I added Debian 8 to my KVM management tool, I found that I could not access the console unless I added console=ttyS0 to the grub boot configuration. It wasn't great but it worked. I am in the ...
2
votes
1answer
51 views

Switching to a virtual terminal is slow

When switching to a virtual terminal using e.g. Ctrl+Alt+F2, it takes about a second to switch. Not too horrible for something that's typically rarely used, but I would like to use it more and it's ...
0
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2answers
41 views

tty, console prompt customization?

My Arch based system directly boots to tty and i never use x system or gui. I want to change prompt or whatever which looks like [root@0 ~]#. I want to change it to current time 12 hours format and no ...
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2answers
40 views

linux - show image on console / X11 [duplicate]

Is it possible to show an arbitrary image across the console / X11? In essence, I just want the video output to be the image. Is there a way to do that? I would want the console virtual terminals ...
4
votes
1answer
36 views

Turning off console output?

I have a Debian on beaglebone without an X server and I need to get rid of any console output to the framebuffer device. I was trying few things I found, like console=null or kernel argument vga=0, ...
0
votes
1answer
41 views

How do I output stderr/stdout of my script to both a file and the console?

I'm using Amazon Linux and writing a script in bash. I want to output both stderr / stdout (preferably in the order that they occur) to a file as well as the console. However, this command isn't ...
0
votes
1answer
31 views

Booting Into a TTY with No Graphics?

I'm a little new to this so I apologize if my question is hard to follow. I'm running Arch Linux, systemd as the init system, and I would like to boot into a plain TTY with no graphics. I've tried to ...
0
votes
1answer
51 views

Some keys don't work in console (tty), but work in a terminal emulator [duplicate]

When I am am in virtual terminal and open my editor, I can use editor key shortcuts such as CTRL + Down and CTRL + Up to select lines (select block), or F5 and F6 to copy/move the selected block. ...
1
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1answer
39 views

Convert tty terminal output to plain text

I want to capture the text output of windows console app I run with wineconsole --backend=curses .... The app itself just uses boring stdio. Unfortunately, wine does a lot of escaping of the output, ...
1
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1answer
35 views

Linux console can't display any language other than English while the terminal under Gnome can

I'm still new to Linux and Unix-like systems and I've tried to search on the internet about my issue. Unfortunately I don't get a feasible answer right now. My problem is that the console(tty) on my ...
0
votes
1answer
48 views

How to change keyboard layout for an specific virtual terminal?

I know that "loadkeys" is used to change keymaps on the console but when it changes the keymap settings it changes it for all virtual terminals. I looked at the man page and it mentions a "--console" ...
0
votes
1answer
21 views

Archlinux'es pacman + tee == unclear console IO [closed]

I have a small issue with capturing the pacman's IO with the tee utility. I try this command line: pacman -S group-1 group-2 | tee pacman.log And there is an issue: when the pacman query which ...
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2answers
45 views

Keyboard map changes with TTY

I'm Belgian, and so the keyboard layout on my CentOS 7 is be-latin1. I've set it up with # loadkeys be-latin1. Everything up to here is fine, my chars are all corrects. The thing is, when I switch ...
4
votes
1answer
47 views

How can I show long console lines as paged view?

I'd like to print long console lines as pages which are below each other. For example AAAAAAABBBBBBBXX CCCCC DDDDDDDEE FFFFFFFGGGGG IIII should be displayed as AAAAAAA CCCCC DDDDDDD --- BBBBBBB ...
0
votes
2answers
39 views

Linux: console blanks to white

This problem happens on a laptop with AMD e-350 APU and built-in radeon HD 6310 graphics. It runs Slackware64 version 14.0. On the console (VTs), KMS is used with the radeon driver. The problem ...
2
votes
2answers
64 views

In a Linux system without X started, how do I assign the right windows key to the right control key?

I am working on a Linux system without X server, so I don't have Xmodmap to change keys on my keyboard. Since the keyboard attached to the Linux PC is a "windows keyboard" (if there is such a thing) ...
-1
votes
1answer
41 views

Console that shifts down from top

How to make a shortcut that console is shifting down from top of the screen? I am using arch linux with xfce4. I want something like on this video: https://youtu.be/J3KiwoOxfkg?t=5m4s
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30 views

Attach framebuffer console(yaft) to existing tty(of own script)

I currently try to fiddle around with my android init ramdisk. One problem I'm currently trying to debug is that ADB in my new init won't start. The script works fine otherwise though, I used fbsplash ...
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0answers
15 views

How to reverse ESC and CAPS_LOCK on TTY

I'm looking for a way to swap Esc and Caps Lock on Linux virtual console. In X11, I can do this with setxkbmap -option caps:swapescape, but I don't know an equivalent in text mode. So, what can I do?
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0answers
20 views

Suppress warning of rbenv versions if no rubies installed

At the moment I'm working on Ansible role that installs ruby with rbenv. In order not to install same ruby version every time I run setup task I have to check that no needed ruby is already installed. ...
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0answers
41 views

Start from text mode + startx?

I'm trying to boot my Trisquel GNU/Linux distro directly from text mode, as I don't want to load the GUI if it's not necessary. I would like to work in tty1 until I type startx, which would start all ...
0
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0answers
22 views

display no longer listends to console after starting X11, not even after shutting down X11

From the console, or another virtual terminal, I launch X11. This is in Free BSD. I cannot return the display to any other terminal afterwards. By using the ctl-alt-F1 key combination, for example. ...
0
votes
1answer
45 views

Putty doesn't have any colors, but only for one server

I'm using Putty to connect to 7 servers. The problem is that one of them doesn't have any colors, which makes it harder to distinguish folders from other files. Here's what I'm talking about. ...
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0answers
83 views

Stop /sbin/agetty and log out the session

I start agetty using /sbin/agetty 115200 /dev/ttyS2 vt220 to provide console access through my port ttyS2. From the other computer, I can create a connection, and upon opening, I am prompted with ...
2
votes
2answers
134 views

Lost Folders and Files in the directory /home/ubuntu/ in Ubuntu

I have uploaded a .tar file in /home/ubuntu/ and un-zipped the file in the folder name 'analytics'. After reboot, I couldn't found the directory and the tar files. I have checked it through SSH ...
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0answers
49 views

Polling for a Bluetooth Button Push

I have a bluetooth button that I have successfully paired several times with various raspberry pi's and linux boxes. The button works as a unique doorbell and various other applications, but I have ...
5
votes
1answer
145 views

Origin of /etc/termcap linux entry

Why is there a type of $TERM called linux described in /etc/termcap? Why and when was it created and what's the point of it? Couldn't we just stay with vt-generic? Is linux just a customary name and a ...
0
votes
1answer
39 views

agetty dumb terminal option

I'm trying to set up a CentOS distro to output on a serial console. I went through all the steps described on this page . My question concerns the agetty command: exec /sbin/agetty ttyS1 19200 ...
20
votes
2answers
714 views

Is it possible to save Linux virtual console content and scrollback in a file?

I have a long-term running script and I forgot to redirect its output to a file. I can see it in a terminal, but can I save it to a file? I'm not asking for tee, output redirection (e.g. >, >&...
3
votes
2answers
85 views

Redirect console to a serial port

I have a serial port /dev/ttyS2 that is connected to a supervisor. Normally, I use this line to send commands back and forth between CPU and supervisor. However, under some settings, I want to just ...
3
votes
1answer
52 views

How can I force the console to output to something other than the framebuffer?

I recently recompiled my kernel to support the vesa framebuffer for some Directfb fun but now my console outputs text very slowly. It's almost as if turning on the framebuffer caused my console to ...
3
votes
3answers
2k views

get rid of “No Caching mode page found” message during boot

during early boot, I get following error message: [sdb] No Caching mode page found [sdb] Assuming drive cache: write through If I understand correctly, this is actually just a harmless info message ...
0
votes
2answers
123 views

Display images in console (curses)?

What approach can be used to display an image in a console (no X windows)? For example, I can use curses/ncurses to divide a console into different panes, but in some situations I would like to ...
0
votes
2answers
36 views

Is it possible to see errors when executing a script inside a script?

I have the files my1.sh and my2.sh. my1.sh: .... do something ./my2.sh my2.sh: .... do something else Now my problem is that if any command (like or example a ntfsclone) fails in my2.sh I get ...
2
votes
1answer
400 views

256 colors in console (tty)

Suppose, I have a system without X server. I can only log in from the console. It seems, by default linux console supports only 8 colors: # tput colors 8 Is it possible to use 256 colors in the ...
1
vote
1answer
52 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 ...
2
votes
1answer
74 views

Create serial console on plug in USB serial device

I have a CentOS 7 headless system with no serial ports. I sometimes want to access the server using a serial cable, so I plug in a USB serial cable (to my laptop's serial port) but I can't get a ...
2
votes
1answer
68 views

Return to GUI from text console with many X11 servers?

I know the thread How to get out of TTY and into X session apparently about similar thing as here, and Command line to return to the GUI after Ctrl-Alt-F1 about chvt. I have Ubuntu 14.04 LTS. I run ...
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0answers
218 views

“map: vt01 => fb0” - what is that?

At startup of Rasbian on Raspberry PI, when console asks for login I can see the following text: map: vt01 => fb0 What does that mean? How can I disable it? (hide this message, I would only like ...
2
votes
1answer
72 views

Find and replace using parts of the found string in the replace string

Let foo be any string. I have to search a file for all occurrences of \LeftLabel{foo} and replace each occurrence with \LeftLabel{\textsf{foo}} but only if foo does not start with a $ ...
5
votes
0answers
87 views

enable external display on FreeBSD console

tl;dr, I'd like to use the external display with FreeBSD 10.0 on an HP Pavilion g7-2270us. Don't care if it's mirrored or I have to select one or the other. Here's the symptoms: When a display is ...
7
votes
1answer
118 views

Why does 8250 UART driver not wake up TTY if more than 256 characters are pending?

What is the motivation of this if-condition in void serial8250_tx_chars(struct uart_8250_port *up)? if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); It has been ...