Ubuntu Servers :: Setting Up LVM With Encryption Causes Low Resolution?
Aug 9, 2011
I've installed and reinstalled Ubuntu server 11.04 about five times now.
I want to have the LVM, with an encrypted partition for holding / and /home (the swap is not encrypted).
Each time, after installing the resolution (I have not installed GNOME) is very bad and the prompt for entering the key to unlock the disk seems to scroll each time a character is entered.
The system is almost unusable at this resolution.
What can I do? I want to have an encrypted disk, but it seems at the moment that the only way to have a workable system is to install on an unencrypted partition.
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Oct 14, 2010
When I boot my computer I get this message: Warning Pc video resolution is out of range Change setting to recommended resolution 1280x1024 @60mh So I hit ctrl alt f1 I typed in Sudo dpkg-reconfigure xserver-xorg Nothing happens. It's been very frustrating because with everything that I've looked up it says that it's suppose to guide me through something. I desperately need my computer for school.
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Oct 7, 2010
I have a server with Apache2 and I would like to use encryption to prevent eavesdropping POST requests and similar. I've had success using SSL with a self-signed certificate, but this will of course generate huge warnings from the web browser. It's no problem for me when I'm connecting to the server as I know what to expect, but any other user who sees such a warning will surely leave the site unless I have personally explained the procedure.
Is there really no way to encrypt HTTP without having to use certificates? I know that this is supposed to provide security by identifying the server,but my point is that an encrypted connection without a CA would in no way be inferior to one that sends passwords as plain text. All I want to do is prevent people who are using programs such as Cain or any other packet sniffer from getting their hands on my passwords. I'm not exactly running an online bank system her
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Oct 4, 2010
I am trying to use a large LCD TV as a monitor for movies, etc. I have the user set up and working. But, I'm struggling with GDM. I rather miss the days where a few cryptic settings in XORG.conf file made everything work correctly.
I added some lines to /etc/gdm/Init/Default and /etc/gdm/PreSession/Default. In both cases I added:
xrandr -newmode "1360x768_60.00"
xrandr -addmode VGA1 "1360x768_60.00"
xrander -output VGA1 "1360x768_60.00"
The next line is original and is
/sbin/initctl -q emit login . . . . . .
I'm not sure if I'm not adding the xrandr info to the right files/locations or if my xrandr stuff is wrong. For the user, I just logged in via VNC and changed the resolution. That part was easy.
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Feb 14, 2010
When I boot up, Grub flashes a message along the lines of "vga=7xx is deprecated, use setting y instead,". Where would grub2 log this error, and what file would I have to edit to change from the old to new resolution setting?
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Jun 20, 2010
Monitor: Asus VH242H
Graphics: XGI Volari Z9s
The native resolution of my monitor is 1920x1080. I can't get Ubuntu 10.04 to display at this resolution. Current xorg.conf (relevant sections):
[Code]....
I was able to get the terminals to run at 1920x1080 by adding Code: video=sisfb:mode:1920x1080x32,rate:70,mem:4096 to my grub command. That's nice, but I really want Xorg running at that resolution, and it didn't. I've been working on this for hours, through dozens of gdm restarts with every variation of the above I can think of.?
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Mar 18, 2011
I have ubuntu 10.10 installed on my computer in dual boot with windows 7, but i am using a 27-inches Samsung screen through an hdmi cable to connect my computer. whenever i try getting on ubuntu, i cannot see the top and bottom of the desktop (so i cant access the menu bar or anything!)(while using my spare vga cable) i tried downloading the nvidia driver & utility for my video card (gtx 460), but even using that, i could not setup my screen resolution manually. When i setup my windows, i was able to manually setup a custom resolution (i.e. 1842x1026) through the nvidia utility to be able to get the screen the fit properly.
I was wondering if there is any way i could do the same for ubuntu, perhaps through terminal.
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Apr 26, 2010
I would like to known whether I can configure the server to input the password for the encryption disk automatically during boot up.Is it possible
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Jan 5, 2010
I've been trying for very long now to adjust my screen resolution to my desired setting. So far, no luck. Just today I went in to examine what my xorg.conf looked like and this is what I saw.
Section "Screen"
Identifier "Default Screen"
DefaultDepth 24
Option "AddARGBGLXVisuals" "True"
[Code].....
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Jul 16, 2010
I have connected to the VGA output of my laptop a 19" monitor. I setted in Ubuntu the resolution for that monitor to 1280x1024.
Two days ago i connected the laptop to a projector. When Ubuntu detected the projector it ask me for my user password to change "i dont know what".
After using the projector I have connected the laptop to the 19" monitor again. Now I can not set the resolution for the monitor to 1280x1024 (that resolution doesn't appear in the list)....
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Dec 6, 2010
I have what I think is a pretty eay question. I'm trying to set the screen resolution of my new 10.10 installation to 1920x1080. The monitor only supports up to 1024x768, but i would like more area. I've done this before but I forgot how i did it. In the end the screen spilled off to the sides and when I ran my cursor over to that section it would disply it. I have a feeling that i need to edit my xorg.conf file, but my nvidia drive has some new mode types and i figured I'd ask before making random changes.
below is my xorg.conf file.
UTC 2010
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "0"
EndSection
[Code]...
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Dec 21, 2010
I need to set my resolution to 1280x1024. Problem is, that the NVIDIA X Server Settings does not display such a resolution and I want to use that! My monitor is an LCD capable of upto 1280x1024 75HZ resolution. I'm using Ubuntu 10.10. I did the xrandr command to check what resolutions are available and its output was:
Failed to get size of gamma for output default
Screen 0: minimum 320 x 240, current 1024 x 768, maximum 1024 x 768
default connected 1024x768+0+0 0mm x 0mm
1024x768 50.0 60.0*
800x600 51.0 52.0 53.0
680x384 54.0 55.0
640x480 56.0
512x384 57.0
400x300 58.0
320x240 59.0
In NVIDIA X Server Settings, the list of available resolutions are:
(all of the above)
1152x864
1360x768
I have NVIDIA GeForce 9500GT.
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May 3, 2011
I'm trying to change the output resolution of a HTPC that's connected to a 720p plasma from (an auto set) 1024x768 to 1280x720 so that the output is the correct 16:9 ratio for the plasma.The HTPC is running Ubuntu 11.04 with a GeForce 7600GT and is connected via VGA cable to the plasma. The plasma automatically detects the PC input as XGA.
The worst effect of this is 16:9 media (video clips etc) looks really stretched out with the letterbox bars on the top and bottom and icons in general don't look square.Nvidia driver has been activated via Additional Drivers but the message reads;
Quote:
The driver is active but not in use"
Any ideas what that means? Should I be looking for a way to disable whatever the Ubuntu driver is so the proprietry one is in use?Under nVidia Xserver settings I don't have an option for a 1280x720 resolution, the next closest resolution for 16:9 is 1360x768 but then portions of the output are no longer visible on the plasma.Could it be as simple as using the DVI output (not the VGA) from the graphics card to the plasma to get a correct reading of the input. Still, I wouldn't have a setting for 1280x720
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Jun 26, 2011
how to implement a password login system that both sends passwords over the internet in an encrypted form (so my users don't get that annoying message saying "this web site is about to send your password in an unsafe form..." and stores its user data in a MySQL database? This seems to need a combination of mod_auth_digest and mod_auth_mysql.
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Feb 14, 2010
FC12-x86_64/KDE I want to set my resolution to 1024x768 using Intel Video adapter using the the i915 kernel module.
Putting the line below in /boot/grub/menu.lst on the kernel line after
rhgb quiet i915.modeset=1 vga=318
Is this the correct setting ?
I don't want to use a xorg.conf file.
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Jun 11, 2010
Ubuntu 10.04, nVidia GeForce 9400, driver ver 195.36.15.When I log in, the system always comes up in 800x600 mode. I went into the NVIDIA X Server Settings page and changed it to my preferred setting of 1152x864. I hit Apply, then Save to X Configuration File (with correct root password).All is well until restarting. Then it reverts back. The update doesn't stick. How can I make this the permenant setting?
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Oct 12, 2010
I have finally decided to reach out for help because I've been messing around for 3 days with xorg.conf and I'm a beginner and not getting it right. What I want to do is to use only my external monitor (1920x1200) via DisplayPort when my computer is docked. And then my laptop display (1280x800) when undocked. I am using Ubuntu 10.04.
I have setup System->Preference->Monitor: Unchecked <same image in all monitors>, turned off laptop display, and set External monitor to 1920x1200. After doing this everything works when in Xwindows. The resolution is correct when I am docked, and when I am undocked it defaults to my laptop display.
The ONLY problem with using the System->Preferences->Monitor is that when I start up the computer when docked the external monitor goes to the incorrect (laptop screen) resolution at the initial login screen. After I login the resolution corrects itself but it's messy with reinitialization of the screen and my icons being all messed up. I think this happens because these settings only take effect after logging in.
I believe I have to edit the xorg.conf to get my setup working at the login screen. Can someone please tell me how to this.
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Nov 10, 2010
I just installed Suse 11.3 64bit on a new build. My video card is a nvidia gt240. I am using the default drivers. My monitor is a NEC 17" LCD.
When I boot up the screen resolution defaults to 1280x1024. I can go to applications>configure desktop>display and set it to 1024x768, which is my resolution of choice, and it works until I reboot or log out and log back in, then it resets to 1280x1024.
I would like to make 1024x768 the default so I don't have to keep changing it. Is there a way to do this? The output of xrandr looks like this:
$~> xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
DVI-I-1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
1280x1024 60.0 +
1152x864 75.0
1024x768 75.1 70.1* 60.0
[Code]...
Is there something I can change to set a new default resolution?
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Feb 13, 2009
New install PCLinuxOS, and the max resolution setting is 1024 x 768 (too low).
What do I need to change to reset the options? xorg.conf file??? Where's that?
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Apr 27, 2009
I'm setting up a LDAP server to centralize the admin of a bunch of Centos 5.2 servers. I've got the LDAP server set up. I've got my client machines reading their autofs mount tables from LDAP. Now, I'd like to get name resolution working via LDAP.
Here's what I have so far:
1) /etc/nsswitch.conf contains the line "hosts: files dns ldap"
2) /etc/openldap/ldap.conf has URI and NSS_BASE_HOSTS set up to indicate root of "hosts" subtree in LDAP database.
3) "hosts" node in database is an "orginizationalUnit" object.
4) Below "hosts" I have a number of "ipHost" nodes defined with "cn" set to host name and "ipHostNumber" set to host's IP address
This setup doesn't work. Attempting to ping a host by name locks up. If I take the "ldap" keyword off of the "hosts:" entry in the nsswitch.conf file, the ping then returns immediately with "unknown host".
I'm surprised that there isn't better information available online on how to do this. I've found bits and pieces, but nothing concise. how to get name resolution working through LDAP?
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Aug 1, 2009
How can I lock in a screen resolution setting so Fedora has no other options to use? I had this problem and thought it went away as F11 has been behaving fine for weeks. Today it froze so I had to power cycle to reboot. It came back but had a crappy resolution setting and no higher options available.
I had to re-boot twice to get it to finally load the correct settings again. How can I fix this so it cannot boot to lower resolution? I want to LOCK IN the minimum resolution so it cannot boot to that crappy screen whenever it has a mind to. I feel I should be the one to decide what to load it's my computer !!
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Feb 20, 2010
Is there a way to change my resolution to something specific? I was trying to make my display "less-widescreen" when I accidently made it completely changed.
From the sax2 command, there is only 1400*1050 and 1600*1200, both that are not what I'm looking for and messes up my display. Now, I can't change it back to the original, much less the one I'm looking for (1600*900).
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Mar 21, 2010
i need drivers for monitor 17' adi nh 776 for linux bt4.because i cant change resolution at nvidia xserver setting...
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Oct 31, 2009
New install of 5.4 and I have a dell S1909W display that runs 1440x900. I don't run a windowed environment and only use CLI. I am only getting 25 lines per screen with huge text and I need to set the resolution so I can actually work :) I tried adding vga=866 to my /boot/grub/menu.lst file at the end of the kernel line but nothing changes after reboot.
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Feb 21, 2011
I installed Squeeze with LXDE on my old 600MHz Celeron, 256MB ram computer. But, every time I boot, the screen resolution is wrong. I can set it right with a few clicks of the mouse, but next time I boot up it has reverted to the wrong setting. I found that this problem has been reported on the LXDE forum, but the official response seems to be that it is not their problem.
How do I get the correct setting to stick?
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Jun 5, 2011
I have installed the Nvidia drivers on my desktop using [URL] according to the Debian way. Everything seems to be fine except the resolution. The best it will let me choose is something like 600x480. I have searched and most of what is suggested around the web is to change xorg.conf. I have tried this using different setting suggested but nothing is working. I did not have a xorg.conf file so I created one with the setting suggested on the Debian wiki.
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Jun 18, 2011
I just set up my dad's pc with Debian Sqeeze. It runs perfectly fine and after trying a lot of distro's Debian is the only one that will not crash or freeze up X. Now we're forced to using my own 17" monitor instead of his 19" wide screen since the max res is 1280 x 1024 in Sqeeze. What he needs is 1360 x 768. I found out in the wiki that xorg.conf needs to be edited. Since the file does not exist it needs to be created by running "Xorg -configure" in tty after stopping GDM. when running the "Xorg -configure" command this is the output;
" vmware: Please ignore above "FATAL: Module vmwgfx bot found."
(++) Using config file: "/root/xorg.conf.new"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
Number of created screens does not match number of detected devices.
Configuration failed. "
It's an Intel Sandy Bridge integrated graphics chip. I've tried running "Xorg:1 -configure" as mentioned in a forum but that simply gives me a "unknown command" answer.
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Mar 29, 2010
I am trying to set up a permanent resolution in the xorg.conf file. At the moment whenever I reboot the machine the resolution defaults to auto. How I can change that to be constantly at 1600x1200?
Here is my xorg.conf file.
Code: # nvidia-xconfig: version 1.0 (buildmeister@builder62)
Wed May 27 01:58:49 PDT 2009
Section "ServerLayout"
Identifier "Layout"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
InputDevice "stylus" "SendCoreEvents" # Added
InputDevice "eraser" "SendCoreEvents" # Added
InputDevice "cursor" "SendCoreEvents" # Added
InputDevice "pad" "SendCoreEvents"
EndSection .....
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Jun 19, 2011
my laptop screen has 1900x1280 (native resolution) and my second monitor has 1600x1080
After browsing the forums and messing around with drivers I managed to get the resolution up to 1600x1080 (from 1000x800 at install) on the laptop screen. No luck at all with the second monitor. I currently have it connected with both VGA and DVI.
my understanding is I need to use twin view to setup the second monitor. I've read several of the earlier posts but haven't been able to get it to work. Here is my current xorg.conf file:
Code:
Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Configured Monitor"
VendorName "Unknown"
[Code].....
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May 6, 2010
I have a Asus EEE PC 1005P which I installed a Command-line system on using the Alternate Installer CD of Ubuntu Lucid Lynx. Altough I think this is a general linux and grub2 question. I do not have (or want) the X Window System installed. I want to change my console screen resolution (not inside X) to 1024x600. But it isn't reported when I use vbeinfo inside grub:
grub> vbeinfo
VBE info: version: 3.0 OEM software rev: 1.0
total memory: 8128 KiB
List of compatible video modes:
Legend: P=Packed pixel, D=Direct color, mask/pos=R/G/B/reserved
0x112: 640 x 480 x 32 Direct, mask: 8/8/8/8 pos: 16/8/0/24
[Code]...
Does it mean I have the driver? how to set it to 1024 x 600 in grub2?
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