tty is a Unix command that prints on standard output file name connected to standard input. The program's name comes from teletypewriter, abbreviated "TTY".

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3k views

unable to switch TTY in arch linux

So I'm moving away from Ubuntu into the realm of Arch Linux. In Ubuntu I was able to switch TTYs with ctrl+alt+F1/F2... and etc. In Arch when I attempt this, I'm merely dumped to a black screen ...
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0answers
40 views

Show password characters when logging in to Linux

I am setting up a long-range wireless serial terminal (with a pair of XBees, if anyone is wondering) connected to my Linux box. It's going great, but sometimes a keystroke doesn't go through. This ...
3
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1answer
31 views

ssh force tty return extra non-printable character

I know ^M will show up when ssh -t, ref1, but I don't catch the situation when ssh -t into Centos 7.2(even Centos 6.2 is OK, but no difference between their environment vars). Anyone know about this? ...
4
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1answer
74 views

No /dev/tty in cygwin

I installed ammonite and got (Scala 2.11.7 Java 1.8.0_45) bash: /dev/tty: No such device or address bash: /dev/tty: No such device or address Exception in thread "main" java.lang.RuntimeException: ...
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0answers
14 views

Process running in SSH-allocated TTY not terminating once stdin is consumed

I can perform file-transfer via SSH* like this: ssh -T ${HOST} eval "cat > remote.txt" < local.txt However, if I instead allocate a TTY, it hangs until I press Ctrl+C: ssh -tt ${HOST} eval ...
0
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1answer
266 views

Run hardcopy on a specific screen window

I'm trying to run screen to connect to a serial port. I want it to run a command, and then every 60 seconds I want to use hardcopy to write which is shown to a log file. So far I've done this: ...
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5 views

How do I make pre-named virtual serial ports on bootup in debian linux?

I am making a TTY re-director so I can read data as its coming in and out of a serial port. I know I can use socat to create virtual serial ports, but the question is how do I make sure that the names ...
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1answer
479 views

Is it possible to use uvesafb with nvidia proproetary drivers?

I would like to have high-resolution console with NVidia proprietary driver. To accomplish that I'm trying to use uvesafb. So what I've done: yaourt -S v86d /etc/modprobe.d/uvesafb.conf: ...
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0answers
60 views

Can't use sudo when autologin in Arch Linux

I have a Pandaboard running Arch Linux, the default non root user is alarm. I'm trying to automatically login at startup with the alarm user. I followed the instructions here and created the file ...
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0answers
83 views

How can I run Qemu with the “-nographic” option in Mac OS X?

Does anyone know how to run Qemu with the -nographic option in Mac OS X? The idea is to use the native Terminal for a text based operation instead of running inside Qemu’s own window. The -nographic ...
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1answer
72 views

Tty and X session locking

Most GUIs lock the session after a period of idleness or after resuming from sleep, which means that the user is require to reauthenticate themselves to continue the session. Can this be mirrored in ...
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71 views

Run qemu on separate tty (and X server?)

Is it possible to start a VM on a separate tty automatically, so I can switch between the host and guest through ctrl-alt-F{1,2}? I know I can start an X session manually, but I'd like to automate ...
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5answers
10k views

Linux: Copy/paste in TTY

I am looking for a way to copy and paste within a TTY. I only have a touchpad, and using it with gpm is a pain. The only possibility I can think of is to use "screen" but even after having remapped ...
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0answers
170 views

A single USB interface with multiple gadget serial devices/interfaces on Linux

I'm trying to create multiple gadget serial devices/interfaces over a single USB interface. The goal of the multiple interaces is that the device being connected shows multiple USB serial ...
3
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2answers
348 views

Format stdout as multi-column text

I'm trying to take some single column data and display it in a tty as columns, much like ls does. Basically, you can think of this as trying to take the output from ls -1 and make it look like the ...
0
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1answer
236 views

Controlling tty / terminal output from other session / shell

We are told that a tty can control at most one session and furthermore that ttys can be controlled not to allow background process groups within its controlled session to write or read from it, the ...
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1answer
68 views

xterm valid command not working in konsole nor gnome terminal

this works fine with xterm xterm -e '(dialog --msgbox "thebigmessage" 0 0)' but not with konsole nor gnome-terminal konsole -e '(dialog --msgbox "thebigmessage" 0 0)' gnome-terminal -e ...
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1answer
33 views

How to start a desktop session without x and also runs a script?

I have a Ubuntu server with LXDE for development, now how would I create a .desktop file to start a session that doesn't startx but actually logs me into a regular tty1 session and also runs a ...
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2answers
8k views

How to restart ttyusb*

I have two devices that are continuously feeding data through ttyUSB0 and ttyUSB1. I have php scripts that are using this data. The problem I am running into is that sometimes the feed just kind of ...
0
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1answer
302 views

Unicode in tty?

I have to view a log file on Debian server which is written in Persian by a third party software. Is this possible to have UTF-8 + Unicode support in tty? I'm looking for solutions based on emacs or ...
2
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3answers
2k views

how is the the linux console displayed to the user and how does the user go about changing the consoles display settings?

I've been searching for the last two days on trying to understand how the console displays itself to the user and how to change the console settings. I've had some luck along the way but nothing that ...
5
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1answer
9k views

Sending change virtual console command in PuTTY

I'm trying to use PuTTY to change the virtual console on Linux via the usual key commands - Alt + F1 or Ctrl + Alt + F1 etc. However this doesn't work. Switching TTY should be simple and is something ...
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0answers
106 views

linux + what are the messages bad tty under /var/log/messages file

under /var/log/messages I see the following messages "bad tty" what the meaning of these messages? second is it caused because some application that called - owstd ? as we can see from the log? ...
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152 views

different ttys on different monitors

I am running a few un*ces and I have now grasped the power of using different ttys (Ctrl+alt+F(x)). Yesterday, I attached a second monitor. I was able to configure x to extend my desktop, and I became ...
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1answer
239 views

How to open tty or execute some script when the shortcut Ctrl+Alt+F[1-6] doesn't work and X11 is partially frozen but system is still working?

I'm using Ubuntu 10.10 with Gnome on Acer Aspire One netbook. The X11 or just some parts of Gnome like panels and partially windows (details described below) are frozen which doesn't allow to do ...
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1answer
38 views

Get user logged into a given tty

I'm writing a bash script that disconnects idle sessions but writes to the tty a few seconds before terminating it to make sure it really is not being used. The format for write is write user [tty]. ...
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0answers
79 views

How to remove tty[7-63]?

I have an embedded system, a beaglebone black to be specific. This SBC runs Debian wheezy 7.4, and a custom 3.8.x kernel. Patched for this hardware. Anyway, the title pretty much says it all. I can ...
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1answer
273 views

Print TTY Stream to Terminal

I have a usb device. The driver for said devices sets up a ttyUSB0 stream for interfacing with the device. I am trying to understand how the data from this device is formatted. Is it possible to ...
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2answers
1k views

Is there any way to open a program on a specific tty?

I have a PC with no mouse or keyboard, but it is connected to a monitor. I was wondering if is it possible to open a program remotely (like via SSH) in a specific tty (like tty1) so I would able to ...
4
votes
1answer
2k views

Is there a limit to virtual console TTY's in Linux Based OS'es

The TeleType Consoles in linux can be switched by Ctrl + Alt + F(#TTY). How many such TTY's can linux have at a time? Is there even a limit?
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1answer
791 views

How to resize tmux panes inside tty

I'm not sure if I used the right term, but by "tty" I understand the console that you can switch to using ctrl+alt+f2 key combination. echo $TERM points to linux. Anyway, when I enter the tmux mode I ...
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2answers
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How do I make Ubuntu start fbterm in the tty on startup?

When I was testing openSUSE about a week ago, I noticed that tty1 (yes, just tty1) had the openSUSE background. I want to do the same in Ubuntu. I found a way using fbsplash. I'm not too keen on that ...
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1answer
1k views

Ubuntu 12.04: Cannot login to tty[1-6] except as root

When I press [Ctrl+Alt+F<1-6>] it takes me to tty1 through tty6 respectively, no problem. But at the login prompt, if I try to login with my username and password, it just immediately takes me back ...
4
votes
1answer
2k views

Socat and rich terminals (with Ctrl+C/Ctrl+Z/Ctrl+D propagation)

socat - exec:'bash -li',pty,stderr,ctty -> bash: no job control in this shell What options should I use to get fully fledged shell as I get with ssh/sshd? I want to be able to connect the shell to ...
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0answers
135 views

Configuration to point an X tty to a separate system?

Specifically, I have an Ubuntu 10.04 system with a headless Ubuntu 12.04 virtual machine, and I'm looking for a way to have it set up so pressing ctrl+alt+F8 will take me into another X client which ...
1
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1answer
63 views

linux - use wmctrl from tty1

When I try to run wmctrl (e.g. wmctrl -l) from a tty outside of X (e.g. tty1), I get "Cannot open display." I have tried setting the $DISPLAY and $XAUTHORITY variables to the values I get from a ...
0
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3answers
225 views

Accidentally typed password on logon prompt in Ubuntu TTY, is it stored?

Note: This is similar, but not identical to the question on how to handle passwords typed into the bash prompt. On my Ubuntu 14.04 machine, I opened VT1 using Ctrl+Alt+F1 and mistakenly typed my ...
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2answers
1k views

Suppress 'Warning: no access to tty' in ssh

I have a short simple script, that compiles a .c file and runs it on a remote server running tcsh and then just gives back control to my machine (this is for school, I need my programs to work ...
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2answers
887 views

Linux: Start tmux inside fbterm on login

So here's what I want: On every tty login, fbterm starts. It gives me a better resolution than the linux console, has working UTF-8 support (I'm sure it's entirely my fault that the linux console ...
5
votes
4answers
14k views

How to use sudo from within Windows GUI clients bypassing tty

I need to copy files via ssh but I am getting permission denied. How can I log as a root by windows clients such us FileZilla/WinSCP? I try execute command: sudo su, but I am getting error: You ...
2
votes
1answer
513 views

How to cat <<'EOF' arbitrary text data from clipboard

I want to paste some text into a terminal and save it to a file without using an editor, but just 'cat'. But too long lines or tabs in text make it impossible to do so with a simple command like "cat ...
12
votes
1answer
20k views

Console commands to change virtual ttys in Linux and OpenBSD

In Linux one presses Alt-F1, Alt-F2 etc to change virtual ttys. In OpenBSD one shall use Ctrl-Alt-F1 etc instead. My question is if there are console commands for these two operating systems that ...
0
votes
1answer
161 views

Do /dev/tty and current /dev/pts/X are the same things?

Writing file to /dev/tty and /dev/pts/7 in this case results that it is printed in console: $ echo hello > file.txt $ cp file.txt /dev/tty hello $ tty /dev/pts/7 $ cp file.txt /dev/pts/7 hello ...
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1answer
69 views

Is this possible to redirect the tty output to two targets?

I would like to let the tty to have two outputs. Is this possible to let the output display on two terminal? I would like to have one terminal (on Linux), which is I am working on, and ...
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1answer
120 views

Questions about behaviour of running LiveCD Linux after unmounting a CD-ROM

Could anyone explain what happens in system after unplugging CD-ROM during working with LiveCD session? Suppose that I'm using Ubuntu LiveCD and suddenly by accident the CD-ROM disconnect for a ...
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0answers
334 views

How to access different tty session

I wanted to know if there is any possibility of login to other tty sessions. Someone has mistakenly changed the root su password. One of the session is already logged in as root. So any possibility ...
0
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1answer
93 views

Terminal scrolling from shell script

Is there any way to perform the effect of using the scroll bar in Terminal.app using a shell command? Maybe something cross-platform, that works in Linux terminal emulators too?
4
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1answer
2k views

How to get different terminals for dual monitor scheme without X

I have Ubuntu installed without X.org with two monitors(single card: vga and dvi) Login shell is cloned for both monitors. I there any way to have different shells(tty) for these monitors?
4
votes
3answers
3k views

Howto start an interactive script at ubuntu startup?

Based on Ubuntu core 12.04, I have prepared a bootable DVD. After booting (to console only), I can login as a user and start a script for installation of an embedded device: sudo install_script In ...
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3answers
6k views

How to reset a broken TTY?

My Slackware TTY can be broken easily by running: cat some_binary_file After the command, the entire TTY will no longer display readable characters but still responds to keyboard events. Even if I ...