Ubuntu :: Way To Force Consoles To Be In Lower Resolution
Oct 1, 2010
I upgraded from 9.04 to 10.04.1 so I am still using legacy grub.Anyway, I noticed with the update that the console is using the framebuffer and using VESA for high resolutions.I really don't like or want this feature. So I added vga=0 to get 80x25 and it works initially but just when the X server is running (Xubuntu in my case) I can see how the console switches to a high resolution again. After this, if I go to a console, lets say tty1, it is using again a high resolution instead of 80x25 (VGA). Is there a way to force the consoles to be in a lower resolution and keep it that way? It used to work fine in ubuntu 8.xx and 9.xx
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May 12, 2011
I'm trying to dump a mysql database on a small web server without killing performance. I tried using the nice command to give the mysqldump and gzip a low priority, but gzip is still taking up 100% CPU. Pages on the web server are loading incredibly slow. Here's my command:
Code:
nice -n 19 mysqldump -u USER -pPASSWORD DATABASE | nice -n 19 gzip -9 > OUTFILE.sql.gz How do I get gzip to run without taking up 100% CPU? I've attached a screenshot of top about 8 seconds into the dump.
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Dec 6, 2010
I want to use 1920x1080 in the virtual consoles, with:
Debian Squeeze; proprierary ATI drivers.
Switching back to the open source drivers, it works automatically, but I got no clue with these ones. Someone say I should use uvesafb by modifing initramfs accordingly.
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May 9, 2010
How to lower the resolution of all the images in a pdf? I searched around and couldn't find an answer to this. I have a pdf file of a textbook that I use in school but each page is an image of 2 pages of the textbook (left page, right page when the book is opened) and each image is of a very high resolution. I downloaded pdftk and pdfedit but for such a simple problem, I'm having trouble. Is there any way to do this?
I have tried converting the 380 MB PDF file to PostScript but after an hour of doing that, it stopped, and the PostScript only had about 17 pages instead of the 733. So converting it back to a PDF file to utilize pdftk's algorithms would have been worthless. I know I could split up the pdf file into sections but I'd rather just scale down all the images, or make them mid quality PNGs or high quality JPGs just so the filesize can be halved.
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Feb 18, 2010
I needed Ubuntu server and recklessly picked Karmic. Hardware is some regular 775 mobo with integrated Intel graphics. Monitor is ASUS VH222D. Installation went smoothly but after that problems occurred. Shell is displayed in 1920x1080 resolution and fonts are so small almost unreadable. Grub2 looks OK, standard non-fb and so does few rows of text after loading grub but soon after that framebuffer becomes active.
dpkg-reconfigure console-setup doesn't mention resolution. Some articles are leading to grub2 gfxmode but none of manuals helped. I just cannot change grub2 menu resolution to anything else than standard console fonts (non-fb). Kernel option vga=XXX is no longer working.How to lower shell resolution? Why is this automatic???
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May 15, 2010
After upgrade to ubuntu 10.04 my screen resolution become 800x600 and in 'Monitors' I see only 2 options 800x600 and 640x480. but before upgrade I had much higher resolution in 9.04
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Jun 23, 2010
One day when i logged in, my screen resolution became lower. The sistem do not recognize anymore my old resolution (native) 1600x900 . And you can realize that maybe there are problems with the video card, because the system is slower than before in this terms. What could have happened?
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Sep 17, 2010
This is some thing that I've noticed with any install of Ubuntu whether its regular Ubuntu or Kubuntu etc. The splash that comes up with the distro name Ubuntu/Kubuntu on start up look perfectly fine and as it should until I've installed my Nvidia drivers. then it goes all bung.
Lower Resolution. Slightly different colouring and Not taking up the whole screen. Sometimes it even sits slightly to the right.
Is there a way that I can fix this? I know its nothing all that major but it would be nice if it looked as its meant to.
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Jun 10, 2010
I've recently got a HDTV LCD display (BenQ SD3742), and a nettop (Acer revo 3610) to go with it. I connected them using an HDMI cable, and I installed the latest Ubuntu 10.04 64 bits edition.I then installed the latest nvidia drivers (nvidia-current package, which is nvidia-glx-195) to support nVidia ION platform using this ppa: https://launchpad.net/~nvidia-vdpau/+archive/ppaAccording to various websites, my LCD is FullHD, so I should be able to select 1920x1080 resolution. But the automatically selected resolution is 1280x768, and in nVidia configuration panel, this resolution is stated as being "native resolution" for my screen (its name is correctly detected by Ubuntu, by the way!).If I select 1920x1080 and "Apply", the resolution is changed but the borders of my desktop are not available... and the image looks deformed anyway.Is there any way to make Ubuntu to detect properly this LCD display in its real native resolution (FullHD, 1920x1080)?
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Nov 26, 2010
When i some times start up the system the screen switches to a lower resolution.Then when i restart my system and it switches to 1152x864.What can be causing this problem and how do we root out this ?
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Mar 27, 2010
So my monitor (a 19" acer) has a native res of 1440x900, which is not detected in display settings. How do I force the resolution to that?
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Apr 9, 2011
I am trying to force a resolution (800x600) through xorg.conf. How to do that? The story is the following. I am trying to play a game (theocracy) on my toshiba nb100 (max resolution (1024x600) however the game supports only 800x600 resolution. To play I am using xgame [URL] which has the option to use a separate xorg.conf file to run the game. Even though I created a new xorg.conf1 file which only contains in its "screen" section Modes "800x600" notwithstanding the new screen, with the game is set to 1024x600. How to force 800x600 through the xorg.conf.
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Dec 16, 2010
I have my Xubuntu box connected to a 1920x1200 LCD monitor via a KVM switch. If the KVM is set to the Xubuntu box when I boot, all's well, but if the KVM is set to the other machine, Xubuntu boots into a 800x600 resolution. This behavior started with Maverick, when I was running Lucid. the correct resolution was set no matter the position of the KVM switch. Is there some place in Maverick that I need to set the resolution to 1920x1200 so it is set correctly regardless of the KVM?
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May 11, 2011
I recently started using Ubuntu 11.04. Everything works fine with my monitor directly connected to the computer. I get a default screen resoluton of 1680 x 1050, which is just fine.
However, when I connect the screen through a video splitter to be able to use a beamer, the screen resolution defaults to 1024x768. Moreover, Ubuntu then detects an unknown monitor and I cannot select a higher resolution.
I searched for modifications of xrandr en xorg.conf but I have to admit I don't understand what I've read. So my question remains: how can I force Ubuntu 11.04 to start with a screen resololution of 1680 x 1050 (without first connecting monitor only, that is).
I hereby add some information I retrieved with the screen connected without the splitter, so you can see what hardware is involved.
Code:
dirk@LaboFysica:~$ xrandr
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192
VGA1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
1680x1050 60.0*+
1280x1024 75.0 60.0
[Code].....
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Jun 30, 2010
My monitor's dvi jack is damaged so my nvidia geforce 210 does not recognise the supported resolutions correctly.
result: while it actually can support upto 1440x900, the highest available resolution is 1360x768.
While on windows, i used the nvidia utility to add the custom resolution and everything was nice.
On ubuntu 10.04, i haven't found a way to do that yet. yes, i searched forums, tried a couple of things with the xorg.conf file and lxrandr, etc. but to no avail.
I did manage to get the resolution listed in ubuntu's own display manager, and it shows 1440x900, but it doesn't apply when i hit 'apply'.
The nvidia settings manager does not show the resolution.
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May 4, 2011
I started using Ubuntu 11.04 today.
Everything works fine with my monitor directly connected to the computer. I get a default screen resoluton of 1600 x 1280, which is just fine.
However, when I connect the screen through a video splitter to be able to use a beamer, the screen resolution defaults to 1024x768. Moreover, Ubuntu then detects an unknown monitor.
I recall that I have solved this problem before with an older version of Ubuntu.
Now it seems that there is no xorg.conf anymore so I don't know what to do.
How can I force Ubuntu 11.04 to start with a screen resololution of 1600 x 1280.
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Jan 16, 2010
I wonder if anyone can help, I've got an annoying problem with an Acer Revo running Ubuntu 9.10 with the latest NVidia drivers. The Revo is connected to my TV via an amp by HDMI. The Revo didn't seem to like this, I'm assuming due to some handshaking issue with the HDMI which meant that no signal was being passed. Therefore, in Xorg.conf I have used
Code:
Option"UseEDID" "False" This makes the a picture appear but the highest resolution available is 640x480 (if I connect directly to my TV and comment out the "UseEDID" line the resolution is the proper 1920x1080).I have tried editing xorg.conf (the file is posted at the bottom) to force 1920x1080 resolution but nothing seems to work.
Code:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Sun Feb 1 20:21:04 UTC 2009
Section "ServerLayout"
[Code]...
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Jun 2, 2010
I have CeontOS machines connected to LCD via KVM which causes failure to properly detect screen resolution and I'm stuck with 800x600 until I reset X server with the LCD connected directly to the PC. How can I enforce higher screen resolutions?
EDIT: I followed the advise and left only one resolution in my xorg.conf but it didn't help.
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 16
[Code]....
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Mar 12, 2010
I tried to add my wife , and when I put in a password for her, this error comes up."Please set a valid user name consisting of a lower case letter followed by lower case letters and numbers." I did all that and I still can't set a password for her.
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Jul 12, 2010
I am gradually getting used to the CLI for Ubuntu. I am used to switching between windows when editing a file, going to the command line to run a cmd, and then back again etc.
I feel severly restricted by the CLI, as it seems I can only do one thing at a time. Surely, there must be a way where I can 'switch between' several command line consoles?
Also, I am using vim, and I sometimes need access the command line. At the moment, I have to quit vim to get to the CLI, and then start vim again. This is not very productive.
How to switch between CLI screens/consoles and also how to switch to the CLI from withinin vim and then back to vim again without having to close vim?
My distro is Ubuntu Lucid Lynx (10.04 LTS)
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Aug 4, 2010
The problem is: CTRL-ALT-F1 etc does not give me the login consoles and i strongly suspect it has something to do with the notebook display adapter (a problem on its own, but in this case it seems to be the INTEL GMA).After pressing the key combo, the HD is working on something, but all I get is a frozen picture of my current (tty7) Desktop. After hitting CTRL+ALT-F7 it blacks out for a moment, comes back to normal gnome Desktop as if nothing happened.I tried setting different vga modes in grub (according to my research, this also sets tty consoles modes ?) with no luck.The output of 'hwinfo --framebuffer' is as follows (if it's of any help):
Code:
02: None 00.0: 11001 VESA Framebuffer
[Created at bios.464]
Unique ID: rdCR.7IS+B23HFDE
Hardware Class: framebuffer
[code]....
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Apr 12, 2011
I've just upgraded to a new monitor, that has a default resolution of 1920x1024. How do I set Grub2 and consoles to use 1920x1024? Right now I can't use any console (Ctrl-Alt-F2). I'm using Ubuntu 10:04 x86_64.
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May 27, 2010
I have got myself into a situation where I see nothing during boot until X starts, and I have no text virtual consoles. I recently replaced my old 9.10 system running on hardware that seemed to be breaking down, with a new system with both an onboard graphics chip (which I disabled in the BIOS as the 1st step), and an Nvidia GeForce 8400 GS card. I installed Windows XP then Ubuntu 9.10, copied all my files across, modified /etc/fstab, /etc/hosts, etc etc., and as the last step I unplugged the 1920x1440 IBM CRT that I'd used during the install and tweaking, and plugged the display into the BenQ LCD on a Belkin 4-port KVM. Oh, I also installed Windows and Splashtop (that mini-Linux that fast boots from the Windows NTFS partition).
I had a problem at that point: I had a lot of trouble getting any signal on the LCD monitor, and eventually got it working but with the whole display half-shifted off the screen (everything was shifted to the right about six inches), and the Ubuntu splash during boot (the sort of spotlight effect with the glowing horizontal line with the light animating along it left and right) was shrunk and only occupied part of the screen. Nor could X detect what kind of monitor it was. I had a lot of problem with a lot of attempts prodding the LCD monitor to complain "Out of range!" (over the top of the Ubuntu three linked circles). I couldn't fix the problem, and in the end installed the Nvidia proprietary driver and ran its X configurator, and suddenly everything snapped back and began working correctly: X ran happily in 1680x1050, filling the screen properly, and X could now correctly detect the monitor as a BenQ.....
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Apr 24, 2011
I have a big issue that i can understand (and i didn't find any answers) When i boot, i only have the fullscreen console (tty1 to tty6), which ask me to login.If a try a gedit it says that there is no display. Startx doesn't work neither.
Before this, i tried to update from 10.04 to 10.10, but I had some issues with the update manager. On looked on google for solutions and I tried a couple of those: I updated my source list with maverick ppa, I removed the nvida driver
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Sep 21, 2010
I'm building a web kiosk and I'm trying to figure out how to disable the ability to switch to tty2-6. All the references I've found refer to a process on older versions of Fedora.
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Jan 11, 2011
I am attempting to setup linux in my embedded environment. I wanted to output the console display though the tty serial port and the vt. Since I don't have a frambuffer hw driver yet, I just wanted to use the vfb as a temp.
So, this is what I did in my configuration file:
CONFIG_CMDLINE="console=ttyS0,115200n8 console=tty0 mem=126M video=vfb:"
CONFIG_VT=y
CONFIG_FB=y
CONFIG_FB_VIRTUAL=y
CONFIG_DUMMY_CONSOLE=n
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_VGA_CONSOLE=n
I would expect the tty output to go to the uart as well as the virtual-console; this does not seem to be the case, as no vt functions are called when I execute prompt commads - I can see the console in my serial terminal, and this all works fine.
Here are extracts from my boot:
Kernel command line: console=ttyS0,115200n8 console=tty0 mem=126M video=vfb:
...
Console: colour dummy device 80x30
console [tty0] enabled
...
Console: switching to colour frame buffer device 80x25
fb0: Virtual frame buffer device, using 1024K of video memory
Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x3e000000 (irq = 99) is a 16550A
console [ttyS0] enabled
serial8250.0: ttyS1 at MMIO 0x3e001000 (irq = 9 is a 16550A
serial8250.0: ttyS2 at MMIO 0x3e002000 (irq = 97) is a 16550A
...
Here are my console binding results:
/ #
cat /sys/class/vtconsole/vtcon0/bind
0
/ # cat /sys/class/vtconsole/vtcon0/name
(S) dummy device
/ # cat /sys/class/vtconsole/vtcon1/bind
1
/ # cat /sys/class/vtconsole/vtcon1/name
(M) frame buffer device
/ #
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Apr 26, 2010
I recently installed RHEL 5.2 on my system. I found that I was not able to show up virtual consoles that we generally do by hitting Ctrl + Alt + F1 through F6.
I installed Red Hat again but the same problem is there. However, I can go into Run Level 3 by
Code:
init 3
but it takes too long to display the prompt. Besides, hitting Ctrl key generates error "unrecognized key" something like that.
Today I installed Virutal Box on Windows XP Host. Then I installed RHEL 5.2. There also I faced the same problem.
However, Virtual Box works fine and I am glad that I can now have only one Host OS on my system and then install as many Guest OSes as I want. Dual Boot System was giving me a heacdache.
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Aug 3, 2011
On the weekend I installed and played Crayon Physics Deluxe, and when I closed it it caused some graphics problems. I thought nothing of it and shut down the system. When I next booted the computer it gave a warning about hard disk erros at first, then rebooted, and then just gave me an out of frequency error right after the BIOS splash screen.
As I did not know what to do and where to look for the root of the problem I eventually set up the system (Ubuntu 11.04) anew, and even completely formatted the partitions for / and /home, so that absolutely everything should have been as it was on day one. But since then, even though the partition for / had actually been deleted and then created anew, instead of the Ubuntu splash screen I continue to get this out of frequency error until the login manager appears. And what's much worse, I get it immediately as soon as I switch to any console with Ctrl + Alt + F2 or any other, so I cannot use any console.
Then yesterday Skype had a crash, and again the whole thing started, after rebooting I only got the out of frequency error, nothing else. So I set the system up again, but the situation is still the same, the out of frequency error up to the login screen remains, and it also remains on the consoles.
There is no problem whatsoever with any system booted from CD. As all actual data had been wiped during the reinstall, I suppose that the problem must be connected with grub 2, some misconfiguration in the boot loader - but I have no idea how to check or change what's there.
The graphics adapter is a GeForce 7025 with nvidia driver 270.41.06. The Ubuntu setup offers two drivers, this is the older one apparently, but it's the same thing with the newer one. The monitor is a PKB Viseo 230Ws at 1920x1080 pixels, H 67 kHz and V 60 Hz.
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Jun 27, 2011
How large would a program have to be to open two text consoles on the same physycal console? And what would the general outline be?
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Feb 6, 2011
I am using a 64-bit Slackware 13.1 distro (I chose 64 by mistake, to be honest, as I know there's less trouble with a 32-bit distro) and I have some problems with my consoles (in text mode). After changing the runlevel in ininittab to graphic mode (4), I can't enter any of my consoles. Actually, only ctrl+alt F1 shows some output, regarding the graphic mode (I'm currently using KDE4, the default for slackware 13.1) and F6 is the only normal consoles I have access to. However, if I log out and log in (with another user, maybe) there's no output anywhere (not on F1, neither on F6).
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