Ubuntu Installation :: Ttys Virtual Terminals Vanished?

May 13, 2010

I am using 9.10 and my ability to "ctrl + alt F-dey" to a ttys shell no longer is available after running an update. 10.04 has the same bug. Getty is installed and I can not figure out what happened.

How do I get ttys back?

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Software :: Some Line Drawing Characters And Other Symbols Appear As Diamonds In Terminals (ttys)?

Sep 26, 2010

On my terminal only system ( no Xorg or guis ) I have a font rendering issue. In place of some symbols ( eg double-lines and some other miscellaneous line-drawing shapes) are generic diamonds. Attached is a fbgrab ( png format ) of elinks showing the problem. I have now configured elinks to only use single lines drawing characters ( which work fine ) for now as a work around. Here is my /etc/default/console-setup

Code:

# Change to "yes" and setupcon will explain what is being doing
VERBOSE_OUTPUT="no"
# Setup these consoles. Most people do not need to change this.
ACTIVE_CONSOLES="/dev/tty[1-6]"

[code]....

The numbers in the FONTFACE show the size of the font matrix. For example Lat2-Terminus20x10.psf is a font for codeset Lat2 with size of the font matrix 10x20 (i.e. 10 columns and 20 rows). If the number of columns is 8 then only the number of rows is specified. For example the font matrix of Armenian-Fixed15.psf has size 8x15.

In text video mode or if you use the RadeonFB kernel module only fonts whose font matrix has 8 columns can be used (that is the size should be a simple NUMBER rather than a NUMBERxNUMBER combination). The other fonts can be used only with framebuffer video modes and with the package 'kbd'. The console package 'console-tools' can not be used
with such fonts.

THE TERMINUS FONT:

The aim of the Terminus font is to reduce the eyes-fatigue when one has to read a lot. Currently this font supports only the Latin, the Cyrillic and the Greek scripts (the Lat15, Lat2, Lat7, CyrAsia, CyrKoi, CyrSlav, Greek, Uni2 and Uni3 codesets). The fonts with font face TerminusBold and size 14 or 16 are optimized for 8 pixels width glyph matrix (in most cases this means framebuffer). The fonts with font face TerminusBoldVGA and size 14 or 16 are optimized for 9 pixels width glyph matrix and can not be used with
framebuffer video modes.

The fonts with font face Terminus and size 14 or 16 can be used both with 8 and 9 pixels width glyph matrix. In the regular text video modes the width of the glyph matrix is 9
pixels. If you use the package svgatextmode then the width is 8 or 9 pixels and you probably know it. The Terminus font in this version of console-setup is version 4.26.

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Ubuntu :: No Virtual Terminals On 9.10?

Jan 5, 2010

I found out that I do not have virtual terminals on my computer (Ubuntu 9.10). When I am trying to switch, say, to tty2 with Ctr-Alt-F2, I am getting a black screen with lonely cursor blinking in the upper left corner (no login prompt). my tty2.conf file is

Code:

# tty2 - getty
#
# This service maintains a getty on tty2 from the point the system is
# started until it is shut down again.

[code]....

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Ubuntu :: Can't Access Virtual Terminals

May 12, 2010

Using 10.04 on my laptop, but I can't access the virtual terminals (ctrl+alt+f1-f6). Instead I get a weird screen with apparently randomly generated lines, as they change each time I attempt to access them. (Sometimes it is just a solid color.) They also appear on shutdown/ switching user. I'm using a VIA VX800 chipset.

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Ubuntu :: Cannot Access Virtual Terminals On 10.4

May 13, 2010

If I press Ctrl-Alt-F1 to access virtual terminal I am getting frozen X session and no virtual terminals.

ps -ef | egrep 'tty[1-6]'

gives

root 1024 1 0 22:58 tty4 00:00:00 /sbin/getty -8 38400 tty4
root 1028 1 0 22:58 tty5 00:00:00 /sbin/getty -8 38400 tty5
root 1036 1 0 22:58 tty2 00:00:00 /sbin/getty -8 38400 tty2

[code].....

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Ubuntu :: Not Having Background Images On Virtual Terminals

Jun 6, 2010

Has anyone had any success getting splashutils to compile on Lucid? Seeing as ftp://ftp.berlios.de/pub/ fbsplash/ debian/splashutils/ packages are getting a bit long in the tooth and trying to compile from source has been a headache.I miss not having background images on my virtual terminals

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Fedora :: Virtual Terminals Not Working / What Ot Do?

Jul 13, 2009

Whenever I boot my machine into runlevel 5 (X support) I can't get to any of the virtual terminals. If I do a ps and grep for mingetty I see terminals 4-6 are running. But ctrl-alt-f{4-6} just put me to a blank screen. If I hit alt-f1 I get back to X. I've found that if I start tty2 by running "sudo mingetting tty2" I get the following error in /var/log/messages: mingetty: tty2: no controlling tty: Operation not permitted. I am not using selinux and have noticed that /etc/inittab no longer has the ttys. The reading I have done thus far says it's started by gdm but I don't really see a lot of info about controlling them. Any ideas on this?

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Red Hat :: Use The Virtual Terminals In Fedora Under VMware?

Aug 22, 2010

how do I switch to the text-based virtual terminals when using Fedora under VMware? I believe that normally you use ALT-CTRL-F2 through ALT-CTRL-F6, and F1 switches you back, but the ALT-CTRL is intercepted by VMware to allow you to switch back to the host OS.

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Red Hat :: Switching Between Virtual Terminals In Vmware?

Jan 28, 2011

Switching between text consoles in a Linux virtual machine When the CTRL + ALT + F1 key combination is used to switch to another text console (terminal) on a Linux virtual machine, the host switches to a text console instead of the guest. Resolution The CTRL + ALT combination is used by VMware to direct the keyboard input to the host. Press CTRL + ALT + Space , press the F1 key (or desired Function key) while still holding down CTRL + ALT .

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Ubuntu :: Login Prompt - Virtual Terminals Not Working?

Feb 6, 2010

Usually I get a login prompt on Ctrl+Alt+F[1-6], but now I just see a blinking cursor in all of them, along with some boot messages in the first virtual terminal.

Code:
fsck from util-linux-ng 2.6
init: bootchart main process (462) terminated with status 2
init: bootchart post-stop process (474) terminated with status 127
/dev/sda2: clean, (integer)/(integer) files, (integer)/(integer) blocks
init: ureadahead-other main process (870) terminated with status 4

What's even weirder about this is that I uninstalled bootchart a few months ago. Whether that's related or not is beyond me, but the virtual terminals did stop working somewhere around that time. I solved this by reverting to my original /etc/network/interfaces file. Without the loopback "lo" device, the runlevel was never set, and virtual terminals never loaded.

This should be somewhere in the interfaces file:
Code:
auto lo
iface lo inet loopback

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Ubuntu :: Adjust Screen Alignment For Virtual Terminals?

Oct 4, 2010

When I installed 10.04 in April, I started having all sorts of problems with my Virtual Terminals (CTRL-ALT-F*). First they were inaccessible completely, then they were there, but not visible, i.e. I could use them to login and run commands, but there was no screen output, then they were gone again, and the fight just went on and on. I just recently got this functionality back after months just messing around, testing different peoples solutions, and really just not being afraid to break the whole thing. Ultimately, it boiled down to nVidea graphics driver problems.

However, now I notice that outside of gdm, the screen is not aligned properly. It seems to be about 2 characters to the left and several lines lower than it should be on VT1-VT6, while gnome is aligned perfectly. I can use my screens auto-adjust to fix the problem, but when I switch to another terminal, the problem comes back. It's not really a huge deal, but after all this trouble, I really just want them to work the way they are supposed to work. Does anyone know of a way to set the screen alignment via software, or am I just stuck dealing with it?

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Fedora :: Virtual Terminals In F15 'graphical Mode'?

Jun 5, 2011

Has anyone else here had a problem getting virtual terminals to work when booting into F15's 'graphical mode'? This is what used to be runlevel 5 in the old SysV init system, before the switch to systemd. Before F15, I could do a Ctrl-Alt-F[n] (for n=1,...6) to get virtual terminals while in runlevel 5, and this was easy to control by editing /etc/inittab.

But with systemd, /etc/inittab is no longer used, and finding where the virtual terminals get created took me a bit of time. I tracked it down to the /lib/systemd/system/prefdm.service file, which seems to stop creating virtual terminals after tty1 in order to prevent the display manager and plymouth from conflicting on that virtual terminal. I'm using the Slim display manager (installed via yum), and I only got tty1 (showing console messages), tty2 took me back to X, and there were no tty3-6 any more. I noticed from ps that there was some kind of "plymouth --wait" process running, so I killed it. After doing so, the other virtual terminals showed up. Has anyone else here experienced something similar?

It appears that /lib/systemd/system/plymouth-quit.service is not exiting properly, and this is causing the problem. This problem only occurs in graphical mode, not in console mode (what used to be runlevel 3). My first solution was to put "/bin/plymouth quit" in /erc/rc.d/rc.local, and upon rebooting that did indeed fix the problem. But eventually I just removed plymouth altogether, which also fixes the problem. It would be nice though if plymouth-quit.service just worked as it was supposed to. I'm just wondering if anyone else has seen this problem.

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Fedora :: Unable To Access The Virtual Terminals In 10

Feb 1, 2009

loaded fedora 10 on my laptop.I get the runlevel 5 in the first one (CTRL+ALT+F5).nothing happens when I press the F2 through F6.

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Slackware :: Resolution: Virtual Terminals @ LVDS But X @ VGA?

Apr 25, 2010

Not a deal breaker but annoying nevertheless: EeePC 900a with KMS, external monitor plugged in, lid closed and .xinitrc running this line before the window manager:

Code:

xrandr --output LVDS1 --off --output VGA1 --mode 1920x1080

Works fine, except: Virtual Terminals are at the native LVDS resolution 1024x600 meaning that they only use the upper left hand corner of the 1920x1080 monitor. Why? (Or maybe I should say that their resolution is right - the font is correct, not huge - but the VT is limited to 1024x600.)

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Ubuntu :: Virtual Terminals Not Functioning / Returns With A Blank Screen?

Feb 16, 2010

I just recently reinstalled 9.10 and everything I normally use with my workstation is working fine except for virtual terminals.

ctrl+alt+f1-f6 just returns with a blank screen.

ctrl+alt+f7 returns to gdm session

ctrl+alt+f8-f12 also yield no information.

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Debian Configuration :: Disabling/Removing Alternate/virtual Terminals (ttyN)

Jul 6, 2011

I'm building a Debian Live system, [URL], and I've pared it down to a very light distro. It is using the IceWM, has the basic linux commands, and very very little else.

When I run "top" and "ps aux", I see that I have multiple terminals and logins waiting to be used. It's a small amount, but I'd like to make that RAM usable elsewhere. The indicated commands are: "/bin/login -f" and "-bash", and I have one of each associated with each tty[1-7]. I may want to keep tty1 and tty2, just in case, but I can't imagine wanting 3-7.

So, what I'm looking for is a way to stop tty[3-7] from even starting in the first place.

I saw on one forum the suggestion of modifying the /etc/init/tty[1-7].conf files, but these files aren't present, I presume because it's a "Live" system.

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Ubuntu Installation :: MBR Seems To Have Vanished / Grub Gone

Sep 5, 2010

I had just gotten dual boot to work yesterday (had tried both OSs and they both worked). Then I went into Ubuntu to install apps. When I was done, I tried to load windows again and it told me there was a problem that needed to be fixed with the recovery disk. I put it in, it fixed the problem and windows started. Then I did some routine windows updates and now the MBR seems to be gone.I have to restart by holding off for 5 secs. Is there some way to restore the grub from the Ubuntu live installation disk?

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Ubuntu Installation :: System Vanished After New HDD Installed

Apr 9, 2010

Running solo Ubuntu 9.1 on current AMD-965/MSI_gd70 desktop. Recently I upgraded hardware ( new ram/2nd hdd/temp-probe ) on this kit. All function appeared nominal and all hardware appeared in BIOS. After adding a new line in /etc/fstab to conjure-up my new 650-G sata I rebooted. I can access **nothing** on my system .except FireFox and THAT because I have a FF_icon on my desktop. The system boots, and std Gnome GUI appears, but excepting *LOGIN* none of the tool-bars have any function whatsoever.I cannot reach the command-line.

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Ubuntu Installation :: Dual Boot Vanished After Trial To Repair Windows

Mar 8, 2011

I initially had a dual boot where I could decide to either boot into Windows 7 or Ubuntu 10.04. It work seamlessly. At some point, however, when I booted into Windows, it just seem to only load it "half" in the sense that the desktop just turned black (but when ctrl-alt-del was hit I did receive a screen with the different options).

I suspected there was a problem with grub and proceeded to restore the Windows bootloader by booting into the Windows CD and repairing the computer by entering the commands:

After restarting I suddenly do not have the option to boot into Ubuntu (where did it go?) and booting automatically into Windows the original problem persists.

Any idea what happened here and how I can restore things?

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Ubuntu Installation :: NVidia Drivers Causing Resolution With Terminals?

May 2, 2010

You know, the "ctrl+alt+F5" type things, where you go to those pure command lines? I installed Ubuntu 10.04 from scratch, and everything was working great! Good resolution, etc. When I booted up my computer, the (very brief) splash screen fit the entire resolution of my monitor (1680x1050), and the X server did the same.

When I'd go to one of those 'tty' terminals, I was surprised (in a good way) to see that they had scaled to my monitor's resolution as well. I was looking forward to using that. Well, time came where I wanted to turn on Compiz, so I downloaded/installed the nVidia drivers. Well, they work. I can work with Compiz and 3D games at full speed and full resolution in Ubuntu, and I have zero complaints about that.

What I do have a complaint about is that the terminals (tty5, in the above example) are back to that old resolution, 640x480 I believe. Also, that brief splash screen is at the same horrible resolution, instead of the full resolution I had on the old nVidia driver that didn't support 3D effects.

Is there a way to get that back? Is it a bug or a glitch that it's no longer scaling the tty's to my display resolution, and do I just have to wait for an update?

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Ubuntu Installation :: Exact Filesystem Image For Use On Multiple Terminals?

Mar 8, 2011

I've been out of the Linux loop for a little while, but a customer of mine wants a "No Virus) desktop environment, I have gone through the process of installing and configuring Ubuntu 10.10 to work with their client side software, but for the life of me, I can't remember if or how I can create an exact image of this file-system to install on all of the desktops.I would need to have all of the installed programs, Security Certificates, Display settings... basically, I need exactly what I have right now installed from the disc so that "IF" the customer needs to install the environment on new systems, I can just pop the disc in and run.

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Ubuntu :: TTYs Won't Work

Mar 9, 2010

I have searched the web, tried getting support on IRC, and even tried some drastic measures that I came up with on-the-fly, but could not get satisfactory results.After installing the 2.6.31-20 kernel, I have noticed, that virtual terminals ( or whatever should I call those. The ones that are accessed by ctrl+alt+[function_key]) stopped loading. When I open any of them I only see a cursor and nothing else. I can take almost no actions: the only two things that actually work are changing between terminals and ctrl+alt+delete.

Eventually, I gave figured out, that this happens because getty is not launched automatically. After running appropriate command, each terminal can be recreated for the current session. Tried fixing this by creating a script that would run that command on each startup, but could not actually make the script to be executed (I tried making rc to run it, as I need these terminals to be present when GUI is not yet activated).Right now, I see two possible solutions: either make them autoload like they are supposed to, or work out a way for that script to be ran on startup. So, any ideas?Ah, yes. Also, the GDM now loads on tty2. Will it give me problems if it continues like that?

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Server :: How Many Terminals Are Running In Background While Rhel Installation

Feb 1, 2010

how many terminals are running in background while rhel installation

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Slackware :: Can't Use The Ttys

Jun 21, 2010

I can't switch from tty to tty. When I start up (I use startx for X) I can't even switch from tty1 to any other tty at all. When I'm using KDE, and I switch to a tty I have to use Ctrl-Alt-F*. When I do, it switches to the tty and after that I can't switch back to X or any other tty.

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General :: How To Know Which /dev/ttyS* Is My Serial Port

Apr 14, 2010

I have a laptop which has only one serial port.

I went into:

How do I know which of those "ttyS" refers to my serial port?

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General :: Cannot Switch Ttys In Console

Jul 7, 2010

[Arch Linux] This has been mildly annoying ever since I installed Arch. From X, I can switch to any of my ttys, using Ctrl+Alt+FN. But when I'm in a console, that key combination does nothing, and I have to restart X11 to get back.

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Ubuntu :: TTYs Squished After Upgrade: Not Nvidia Bottom Of Screen?

May 3, 2010

After the 10.04 upgrade all my CTRL-ALT-F1-6 terminals are squished up at the top of the screen. it's as if the vertical was pushed all the way to the top. You can't read anything. Here's a picture of it.http://imgur.com/7FKGoI'm running Nvidia binary drivers and everything seems to work great otherwise but I can't even find one person with this issue. I tried IRC already but no luck there yet. vga=795 is set in /etc/default/grub which is the correct res and depth

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Ubuntu :: 10.04 New Install Gnome Crash On Start - Cannot Switch Between Ttys

Jun 6, 2010

Fresh install of Ubuntu 10.04, Gnome session fails to start. Gnome-failsafe and XFCE work great. xsession-errors: [URL].... i also cannot switch between ttys, if i do video becomes blured to the point of unreadable. I think this is an issue with X. I have tried the generic kernel (non-pae) with noapic and apci=off with no results.

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Debian Configuration :: How To Remove Extra Ttys

Apr 19, 2010

I'd like to know how to leave only tty1 and 2 and permanently disable others. (I'm running Lenny/i386).

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Red Hat / Fedora :: Pseudo-ttys - Both BSD And SVR5 Versions Seem To Be Incomplete

May 21, 2010

I'm trying to complete the porting to RHEL 5 of a commercial application that we've had running on AIX and SCO for decades. It originally ran on dumb-terminals, and even now runs on dumb-terminal emulators that run on Windows. We have thousands of customers, many of whom we'd like to migrate to Linux. We're pretty much done with the port, with the exception of this little glitch we're having with pseudo-ttys...

Our app utilizes pseudo-ttys, such that sub-portions of the application run under a screen manager that provides for screen-switching of multiple instances of the sub-apps on non-GUI terminals, some of which are still running serial. In this regard, it is not unlike the GNU "screen" program. However, it also supports file transfers over serial links using zmodem, and requires the ability to switch in and out of a fully 8-bit transparent mode where the screen switching keyboard commands must be ignored.

On AIX, we're using the BSD TIOCUCNTL (UIOCCMD) capability to send commands from the sub-app to the screen manager. TIOCUCNTL provides custom user ioctls and is an ideal way to solve the problem. It is not implemented on Linux, and the "alternative" of TIOCPKT does not provide arbitrary ioctls so at best we'd have to commandeer some of the existing TIOCPKT ioctls for our own use if that's even possible. TIOCPKT seems like a hack, it apparently was implemented not as a general mechanism but to solve problems specific to rlogin/rlogind.

SCO didn't support TIOCUCNTL either, so years ago we used the SVR5 alternative of putmsg/getmsg. This is a streams-based mechanism of sending control information over streams separate from the data. While RHEL 5 seems to have man pages indicating these commands exist, and in fact you can link programs using them to libc without errors, they are apparently stubbed out and return "function not implemented." This seems to be, according to this Wiki, due to certain Linux factions deeming that streams are "technically inadequate":

Certainly, I would agree that a streams implementation that is incomplete is undoubtedly "technically inadequate."

At the same time, it would appear that the SVR5 method of pseudo-tty is now the recommended implementation, the BSD one being "deprecated" (not to mention, also incomplete on Linux, given TIOCUCNTL is missing):

So here I am trying to figure out how to solve the problem. I have found a library that apparently implements the getmsg/putmsg commands for Linux, called libLiS. However, according to IBM, it has a problem with SELinux:

We've had to disable SELinux for other reasons anyway, so this is not a show stopper for us, and I am actively exploring using it as our solution. However, I've never been exactly crazy about the idea of depending on disabling security features to make something work. But, there's something to be said for the compatibility it would offer for our apps.

However, it occured ot me that we are probably not the first to have this problem, and was wondering if perhaps there is another solution that we should consider.

It has occured to me to use named pipes, but this would be rather ugly--we'd have to maintain a directory full of hundreds of named pipes, probably named after the associated ptys that the sub-apps could use to issue control commands to their screen manager, and the manager would have to monitor these pipes for commands, etc.-- certainly possible, but it seems like it might be re-inventing the wheel a bit, or at the very least, is a somewhat kludgy work-around to the apparent lack of any user-customizable control mechanisms in the pseudo-ttys. And we'd have to support it in addition to the code for the other methods since those platforms aren't going away anytime soon (SCO death-throes notwithstanding).

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