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• Unable to sign in. How to debug?

  - by Dmitriy Budnik

  I had to reboot system with reset button. After reboot I can't sign in. When I enter my password It seems like X-server just restarts. I can sing in as guest and also I can sign in in text TTY. Here is first 150 lines of my lightdm.log: [+0.04s] DEBUG: Logging to /var/log/lightdm/lightdm.log [+0.04s] DEBUG: Starting Light Display Manager 1.2.1, UID=0 PID=1070 [+0.04s] DEBUG: Loaded configuration from /etc/lightdm/lightdm.conf [+0.04s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager [+0.04s] DEBUG: Registered seat module xlocal [+0.04s] DEBUG: Registered seat module xremote [+0.04s] DEBUG: Adding default seat [+0.04s] DEBUG: Starting seat [+0.04s] DEBUG: Starting new display for automatic login as user dmytro [+0.04s] DEBUG: Starting local X display [+3.64s] DEBUG: X server :0 will replace Plymouth [+3.66s] DEBUG: Using VT 7 [+3.66s] DEBUG: Activating VT 7 [+3.66s] DEBUG: Logging to /var/log/lightdm/x-0.log [+3.66s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0 [+3.66s] DEBUG: Launching X Server [+3.66s] DEBUG: Launching process 1154: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none [+3.66s] DEBUG: Waiting for ready signal from X server :0 [+3.66s] DEBUG: Acquired bus name org.freedesktop.DisplayManager [+3.66s] DEBUG: Registering seat with bus path /org/freedesktop/DisplayManager/Seat0 [+10.78s] DEBUG: Got signal 10 from process 1154 [+10.78s] DEBUG: Got signal from X server :0 [+10.78s] DEBUG: Stopping Plymouth, X server is ready [+10.80s] DEBUG: Connecting to XServer :0 [+10.80s] DEBUG: Automatically logging in user dmytro [+10.80s] DEBUG: Started session 1303 with service 'lightdm-autologin', username 'dmytro' [+13.22s] DEBUG: Session 1303 authentication complete with return value 0: Success [+13.26s] DEBUG: Autologin user dmytro authorized [+13.27s] DEBUG: Autologin using session ubuntu [+14.44s] DEBUG: Dropping privileges to uid 1000 [+14.48s] DEBUG: Restoring privileges [+14.49s] DEBUG: Dropping privileges to uid 1000 [+14.49s] DEBUG: Writing /home/dmytro/.dmrc [+14.61s] DEBUG: Restoring privileges [+14.81s] DEBUG: Starting session ubuntu as user dmytro [+14.81s] DEBUG: Session 1303 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu [+15.76s] DEBUG: New display ready, switching to it [+15.76s] DEBUG: Activating VT 7 [+15.76s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session0 [+16.63s] DEBUG: Session 1303 exited with return value 0 [+16.63s] DEBUG: User session quit [+16.63s] DEBUG: Stopping display [+16.63s] DEBUG: Sending signal 15 to process 1154 [+17.19s] DEBUG: Process 1154 exited with return value 0 [+17.19s] DEBUG: X server stopped [+17.19s] DEBUG: Removing X server authority /var/run/lightdm/root/:0 [+17.19s] DEBUG: Releasing VT 7 [+17.19s] DEBUG: Display server stopped [+17.19s] DEBUG: Display stopped [+17.19s] DEBUG: Active display stopped, switching to greeter [+17.19s] DEBUG: Switching to greeter [+17.19s] DEBUG: Starting new display for greeter [+17.19s] DEBUG: Starting local X display [+17.19s] DEBUG: Using VT 7 [+17.19s] DEBUG: Logging to /var/log/lightdm/x-0.log [+17.19s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0 [+17.19s] DEBUG: Launching X Server [+17.19s] DEBUG: Launching process 1563: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch [+17.19s] DEBUG: Waiting for ready signal from X server :0 [+17.48s] DEBUG: Got signal 10 from process 1563 [+17.48s] DEBUG: Got signal from X server :0 [+17.48s] DEBUG: Connecting to XServer :0 [+17.48s] DEBUG: Starting greeter [+17.48s] DEBUG: Started session 1575 with service 'lightdm', username 'lightdm' [+17.61s] DEBUG: Session 1575 authentication complete with return value 0: Success [+17.61s] DEBUG: Greeter authorized [+17.61s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log [+17.68s] DEBUG: Session 1575 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter [+20.86s] DEBUG: Greeter connected version=1.2.1 [+20.86s] DEBUG: Greeter connected, display is ready [+20.86s] DEBUG: New display ready, switching to it [+20.86s] DEBUG: Activating VT 7 [+20.86s] DEBUG: Stopping greeter display being switched from [+24.90s] DEBUG: Greeter start authentication for dmytro [+24.90s] DEBUG: Started session 1746 with service 'lightdm', username 'dmytro' [+25.10s] DEBUG: Session 1746 got 1 message(s) from PAM [+25.10s] DEBUG: Prompt greeter with 1 message(s) [+31.87s] DEBUG: Continue authentication [+33.75s] DEBUG: Session 1746 authentication complete with return value 7: Authentication failure [+33.75s] DEBUG: Authenticate result for user dmytro: Authentication failure [+33.75s] DEBUG: Greeter start authentication for dmytro [+33.75s] DEBUG: Session 1746: Sending SIGTERM [+33.75s] DEBUG: Started session 2264 with service 'lightdm', username 'dmytro' [+33.75s] DEBUG: Session 2264 got 1 message(s) from PAM [+33.75s] DEBUG: Prompt greeter with 1 message(s) [+36.41s] DEBUG: Continue authentication [+36.53s] DEBUG: Session 2264 authentication complete with return value 0: Success [+36.53s] DEBUG: Authenticate result for user dmytro: Success [+36.54s] DEBUG: User dmytro authorized [+36.54s] DEBUG: Greeter requests session ubuntu [+36.54s] DEBUG: Using session ubuntu [+36.54s] DEBUG: Stopping greeter [+36.54s] DEBUG: Session 1575: Sending SIGTERM [+37.41s] DEBUG: Greeter closed communication channel [+37.41s] DEBUG: Session 1575 exited with return value 0 [+37.41s] DEBUG: Greeter quit [+37.42s] DEBUG: Dropping privileges to uid 1000 [+37.42s] DEBUG: Restoring privileges [+37.43s] DEBUG: Dropping privileges to uid 1000 [+37.43s] DEBUG: Writing /home/dmytro/.dmrc [+38.35s] DEBUG: Restoring privileges [+40.37s] DEBUG: Starting session ubuntu as user dmytro [+40.37s] DEBUG: Session 2264 running command /usr/sbin/lightdm-session gnome-session --session=ubuntu [+40.39s] DEBUG: Registering session with bus path /org/freedesktop/DisplayManager/Session1 [+50.78s] DEBUG: Session 2264 exited with return value 0 [+50.78s] DEBUG: User session quit [+50.78s] DEBUG: Stopping display [+50.78s] DEBUG: Sending signal 15 to process 1563 [+51.53s] DEBUG: Process 1563 exited with return value 0 [+51.53s] DEBUG: X server stopped [+51.53s] DEBUG: Removing X server authority /var/run/lightdm/root/:0 [+51.53s] DEBUG: Releasing VT 7 [+51.53s] DEBUG: Display server stopped [+51.53s] DEBUG: Display stopped [+51.53s] DEBUG: Active display stopped, switching to greeter [+51.53s] DEBUG: Switching to greeter [+51.53s] DEBUG: Starting new display for greeter [+51.53s] DEBUG: Starting local X display [+51.53s] DEBUG: Using VT 7 [+51.53s] DEBUG: Logging to /var/log/lightdm/x-0.log [+51.53s] DEBUG: Writing X server authority to /var/run/lightdm/root/:0 [+51.53s] DEBUG: Launching X Server [+51.53s] DEBUG: Launching process 2894: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch [+51.53s] DEBUG: Waiting for ready signal from X server :0 [+51.75s] DEBUG: Got signal 10 from process 2894 [+51.75s] DEBUG: Got signal from X server :0 [+51.75s] DEBUG: Connecting to XServer :0 [+51.75s] DEBUG: Starting greeter [+51.75s] DEBUG: Started session 2898 with service 'lightdm', username 'lightdm' [+51.76s] DEBUG: Session 2898 authentication complete with return value 0: Success [+51.76s] DEBUG: Greeter authorized [+51.76s] DEBUG: Logging to /var/log/lightdm/x-0-greeter.log [+51.76s] DEBUG: Session 2898 running command /usr/lib/lightdm/lightdm-greeter-session /usr/sbin/unity-greeter [+53.26s] DEBUG: Greeter connected version=1.2.1 [+53.26s] DEBUG: Greeter connected, display is ready [+53.26s] DEBUG: New display ready, switching to it [+53.26s] DEBUG: Activating VT 7 [+53.26s] DEBUG: Stopping greeter display being switched from [+54.17s] DEBUG: Greeter start authentication for dmytro [+54.17s] DEBUG: Started session 3152 with service 'lightdm', username 'dmytro' [+54.18s] DEBUG: Session 3152 got 1 message(s) from PAM [+54.18s] DEBUG: Prompt greeter with 1 message(s) [+58.61s] DEBUG: Continue authentication [+58.65s] DEBUG: Session 3152 authentication complete with return value 0: Success [+58.65s] DEBUG: Authenticate result for user dmytro: Success [+58.66s] DEBUG: User dmytro authorized [+58.66s] DEBUG: Greeter requests session ubuntu [+58.66s] DEBUG: Using session ubuntu [+58.66s] DEBUG: Stopping greeter [+58.66s] DEBUG: Session 2898: Sending SIGTERM How can I fix it? What other .log files could possibly give me a clue? Update: Possibly it's duplicate of Desktop login fails, terminal works

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• Problem on login: Freeze just before user selection

  - by Diego Garcia

  Hi, I'm using ubuntu 10.10 and when I login it shows my login's wallpaper an appears the window where I select my user without showing it and then gets frozen. No mouse response, no keyboard responde (even if I try to num/caps lock). I tried with safe mode and same thing happens, but in that case it freeze when trying to load some USB stuff, I tought it was my USB headset or my mouse so I disconnected them but doesn't works. Any advice on how to fix this, how to login to try an update or how to post more information?

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• Aspect Ratio on Nero 9 for burning DVD

  - by user27720

  I am currently attempting to burn a screen capture file to DVD. I will admit that I know very little about the process, the terminology, and am at a loss of how to find this information. I am using Nero 9 and am very displeased that the manuals available to me online explain very little. My current problem is that when I burn to DVD, my beautiful screen capture ends up being cropped. Through endless amounts of googling I am under the impression that this is due to aspect ratio. However, as windows will not tell me the resolution size for me to determine the correct aspect ratio I do not know how to proceed. Is there a way using Nero 9 for me to be able to burn my screen capture to DVD? Any advice or suggestions are appreciated.

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• How do I make the F-keys work in byobu on 12.04, for midnight commander (mc), htop, etc?

  - by Jorge Castro

  I use byobu with the tmux backend on my 12.04 server. I'd like to use the midnight commander shortcut keys with it, but the F keys don't work. I've seen some posts on the issues here: https://bugs.launchpad.net/byobu/+bug/386363 https://answers.launchpad.net/byobu/+question/127610 but they are out of date and don't seem to work for newer versions of byobu. How can I either work around this or use MC in a way that works better?

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• Lubuntu: Sceen looks like in negative all the time

  - by Piotr

  I've just installed Lubuntu 12.10 on an old laptop (IBM ThinkPad 600X). However, after booting Lubuntu, everything looks like in negative (eg. colors are inverted, like there's some assistive technology enabled). During installation (using alternative installer), colors were OK. Before installing Lubuntu, I had windows installed, it was showing colors OK as well. So, I believe it's something with Lubuntu. Is there any way I can fix that?

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• setting visual bell to flash in iTerm

  - by blackwing

  Hi, I am using iTerm on OSX (leopard) to ssh to a linux machine. I run screen on the dev machine to save my work between sessions. I am not a big fan of audio bell and I don't like screen's default 'Wuff Wuff' bell (or any other little message shown at bottom of the page). What I like though is to have flash (foreground and blackground colors swapped for a fraction of a second) as my visual bell. I used to use PuTTY and it is as simple as ticking a checkbox but I can't find such an option in iTerm. My question is how can I set my visual bell to flash? The ideal answer would work with iTerm on local computer, iTerm sshed to a linux server, and iTerm sshed to a linux server and ran screen.

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• Laptop and 2 screens: use screens but not monitor display

  - by ClarkeyBoy

  Hi, I have 1 VGA socket on my laptop, and currently have that in use by a large screen. At some point in the future I would like to get another one of these screens and use both screens in dual screen mode but not use my laptop display (to be honest my laptop display is pretty rubbish as its like 2/3s the size of my screen - even if I had the choice to use all 3 I probably wouldn't want to). Is it possible to achieve this? If so, what do I need by way of hardware / software, and how much do you reckon it should cost me? Thanks in advance. Regards, Richard

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• ubuntu 12.10 - nvidia gtx 550 ti proprietary drivers issue

  - by Phill

  I have installed Ubuntu 12.1 and own the nvidia gtx 550 ti (no integrated video). Installed it just fine but the buttons and text seem to get scrambled if using the nouveau drivers I guess. I tried installing the proprietary drivers manualy and from the Additional Drivers tab in software sources but every time I do that after it restarts the menus and icons dissapear an the only way getting them back is to revert to the nouveau drivers. I've tried noumerous attempts ending up reinstalling it. Any help would be apreciated, thanks.

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• Log in manager doesn't appear after editing /etc/X11/default-display-manager

  - by hamed

  I have ubuntu 11.10 , and I installed kde and I choosed kdm mistakly, as mentioned here I did this procedure Pretty simple. Open the file /etc/X11/default-display-manager with your editor of choice. Make sure you invoke that editor as root, otherwise it won't work. In that file there's a single line: /usr/bin/kdm Change that to /usr/bin/gdm and save the file. Reboot and you're in Gnome. now ,after booting, the log in manager gdm or kdm didn't appear . how can I fix this?

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• Desktop top is lower than it should be

  - by Idan Arye

  I have a very odd problem with Ubuntu 11.10. Here is a picture of it: The window in the picture is maximized, but for some odd reason it does not cover the entire desktop area. That area of the desktop the window does not cover is a dead area - I also can't drag desktop items to there, though I can drag not-maximized windows to that area. Rebooting doesn't help. The problem started after I configured some windows partitions to automount on startup(though I don't see how that could cause the problem...) Does anyone know a way to fix this?

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• Incorrect viewport on monitor everytime computer is booted

  - by doldertfo

  Hi, Every time I turn on my PC the viewport isn't aligned correctly on the screen - there is always a black strip on the right hand side. This is not a big issue as it can be resolved by pressing the menu button on the screen and doing a factory reset. However it is irritating having to do it every time. I am using a flat screen monitor with vga connections. The weird thing it never used to happen before with the tower Im using. Is potentially out of date drivers a problem? Thanks.

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• Incorrect viewport on monitor everytime computer is booted

  - by dolderto

  Hello, Every time I turn on my PC the viewport isn't aligned correctly on the screen - there is always a black strip on the right hand side. This is not a big issue as it can be resolved by pressing the menu button on the screen and doing a factory reset. However it is irritating having to do it every time. I am using a flat screen monitor with vga connections. The weird thing it never used to happen before with the tower Im using. Is potentially out of date drivers a problem? Thanks.

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• windows7 magnifier for ubuntu12.04

  - by Behnam

  Salam(Persian). I need a magnifier like windows 7 magnifier. But I tried "kmag", It is not full_screen, doesn't color inversion, uses part of my desktop and bothers me. I tried "compiz config settings manager" too, I active magnifier and zoom and set the shortcuts of them, But did not work. I tried mouse wheel+ctrl+windows keys but ... . Help me pleas I need win7 magnifier in Ubuntu 12.04. Allah helps you insha'Allah.

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• Ati Radeon HD 5850 + two screens with different resolutions

  - by Nikolas

  How can I use these screens like I would use in Windows? When I turn off "copy" it gives me an error. I have tried community drivers and AMD drivers but both fail at this task. I use Ubuntu 12.04 with latest updates. It did not work in Ubuntu 11.10 either. I use DVI to connect my PC to my monitor and HDMi to my TV. It is a Sony Bravia, bought in 2008. I can't remember the model. Also, this same problem occurs when I connect to two Full HD monitors, both DVI. I cannot turn of the cloning of screens. How do I turn it off? Windows can do that.

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• I need acpi=off to boot, but this seems to disable wifi

  - by TheExp3rt

  To boot my computer, I have to use acpi=off in kernel options. Doing this apparently causes my wifi adapter to be switched off and prevents my mouse and USB keyboard to not work. If I change acpi=off to nomodeset, it fixes these problems. But then it sets my computer at a lower resolution. I am currently running Kubuntu 13.10, although none of the updates, starting from 12.04, changed the need for acpi=off. I assume I need acpi=off in because I have an oldish computer with an intel motherboard How can I boot without acpi=off? Output of uname -a: 3.11.0-13-generic #20-Ubuntu SMP Wed Oct 23 07:38:26 UTC x86_64 x86_64 x86_64 GNU/Linux

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• Mouse lagging on 12.10 login page

  - by stariz77

  I just installed ubuntu 12.10 and it seems the mouse lags/is choppy (it will momentarily stick to the page and then appear where I had gestured to instantly every half second or so) on the login page. It appears to go away once my network connection is established. Is this indicative of anything in particular? Do I need to update a driver for something? I have installed it on an OCZ agility 3 SSD, using 8GB ram, intel core i7, intel(R) 82579V Gigabit Network Connection.

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• CRT as 2nd monitor goes screwy after start up?

  - by rhys

  new install of 12.04 on an old dell with a radeon ATI RV516 video card with monitor out and s-video out. During boot up all is good. Both screens operate and look fine. Then just before the desktop appears the cCRT goes purple and is covered in heavy horizontal lines, but as i said during boot up it was fine and the resolution was fine. The main monitor, an lcd, operates normally. everything else works fine, it's just the picture on the CRT that is screwed up. I used the same monitor and CRT running 11.10 which worked fine any help would be appreciated and yes i am a newbie to ubuntu here is a vid showing the completely normal screens at reboot then the purple badness when the desktop loads ?? and don't laugh at the slow machine, it's old. http://www.youtube.com/my_videos_edit?ns=1&video_id=zfuh6lBMLnc

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• Screensaver + lock double login problem after Maverick upgrade

  - by dr Hannibal Lecter

  Just found something strange after updating from 10.04 to 10.10. I've set up my screensaver to lock the account when activated. When I log back in, I see my desktop for a second and then the screensaver starts again and I have to re-login. I checked my process list in gnome system monitor, and I have two gnome-screensaver processes(!?), one started as /usr/bin/gnome-screensaver and other simply as gnome-screensaver. And no, I did not start one manually. Where do I look for a way to switch off one of those (supposing that's the problem)? I did not find anything in my startup applications.

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• How can I create profiles for the windows that are open on my Mac?

  - by Kyle Hayes

  As a semi-dual monitor user on my MacBook, I run into a particular issue that drives me nuts. The scenario is at work I run my MacBook Pro's display as the secondary monitor to a dual-monitor setup. I primarily use the secondary view for my social network windows (Adium, Tweetie, Gabbble, and IRC). I position exactly as I want them to see all at the same time. However, when I disconnect my MBP to go home and reconnect to my other monitor at home, all the applications were shifted onto the main screen (since that is where they went when I disconnected the monitor before I left). With this, I have to go through the whole process again to move and position them on the secondary screen again. Is there a utility or application that will allow me to create screen/window profiles that will basically memorize the current position of all the windows and persist it to be re-instantiated later?

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• Why is there a delay for logging in (wubi)?

  - by Xianlin Xiong

  I use wubi to install Ubuntu under win7 in partition F which is fat32. When I choose Ubuntu at boot time, it jumps into a window. It shows two choices: ubuntu ubuntu recovery After choosing Ubuntu, it shows: error: file not found error: you need to load kernel first press any key to continue. It goes back to the choice window after I press a key. Again I choose Ubuntu, and it goes black and then it comes to the login window. After I log in it works. My question is: Is what happens before the login window normal or not (when using wubi)?

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• Remote GDM login

  - by luri

  Is it possible to remotely (via ssh) make a login to GDM? I'll explain a situation in which I'd need this: I'm on my laptop and connect to my desktop via ssh. I realize there are some updates available. I install them all, but I need to reboot the computer. The problem is that once the desktop has rebooted, there will be no GDM session available, since it's necessary to log in. Can I somehow perform the GDM login remotely from my laptop? Edit: I can't find FreeNX for Maverick, and I haven't been able to configure x11vnc + vncviewer to work. Isn't there an easy way?

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• Huge area of stuck pixels

  - by pixelady

  A toddler slammed down my laptop screen while an iPod was laying on top of the keyboard. The damage resulted in a massive area of stuck pixels on the laptop screen, approximately 2 inches by 10 inches in area. I've tried running various programs that rapidly flick the pixels in different colors, as well as massaging the screen with heat and also without heat. These are the standard methods I read about for fixing a stuck pixel. But none of the online articles I read said how to fix a huge area of pixels, not just single pixels. What else can I try to get the many pixels unstuck? My computer is no longer under warranty and I don't want to buy a new one.

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• Can I remove the ctrl-z key binding in my shell?

  - by Nagel

  The background for this question: I currently have to do a lot of my work in terminal over ssh, and I use screen quite a bit. Because I found the ctrl-a key binding for screen commands so annoying since I'm accustomed to using ctrl-a to go to the beginning of a line, I changed it to ctrl-z. The only problem with this is that when I'm in Matlab, think I am in Screen but am not, pressing ctrl-z will instantly kill my Matlab session, because ctrl-z is the key binding for suspending processes in *nix. So the question is: can I remove the key binding for ctrl-z in my shell so that it does no longer suspend a process? My shell is terminal.app on OSX.

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• Add multi monitor option to remote desktop web access

  - by Eds

  I have a test environment for a remote desktop farm with a connection broker load balancing logins across remote desktop session host servers. All servers are built on Server 2012 R2. Using rd web access, we can access this farm from anywhere. When logging in via web access, you can choose the screen resolution or use full screen. If you have two monitors when selecting full screen, it will always use both your monitors. Does anyone know how to adjust the RDWeb page so that you can choose whether or not to use both your monitors? This option is in the GUI from RDP 6.1 onwards, so I would imagine there is a way to also add it the web access page.

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• Can someone help me remove/fix ubuntu?

  - by user286152

  I'm very new to ubuntu for starters. Whenever I turn my computer on, it opens to the GNU Grub terminal. It says it supports minimal Bash-Like line editing (I have no idea what this means). To work-around this, I used "exit -ubuntu", this then takes me to a separate page which I selected the Windows Boot Manager and click on the Windows 8.1 icon which makes my Windows 8 load normally. If I click on the other icon, being the ubuntu one, I get put back at the GNU Grub terminal and thats it. If someone could help me either remove ubuntu or repair it so that I can load it again, I would appreciate it. I had installed the most recent ubuntu version. Any other required information to assist I can provide. Thank you.

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