Ubuntu :: Cannot Return Back System
Nov 2, 2010
i made upgrade(not distro) on my ubuntu 10.10. i took very long but i was not concerned. However i opened my laptop again it could not boot normally. Therefore i ran in recovery mode in failsafe graphic it stopped at "running scriptss in rc2.d/ took 2 seconds". I safe my important file from command window in recovery mode but i can not return back my system.
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Aug 12, 2010
Is there a command line option that will allow less to return to the command line if there are not sufficient lines in the file to warrant paging.
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Apr 30, 2011
I've implemented a few custom system calls in my Ubuntu kernel, but I'm having some issues with the return values. Each function returns a variety of non-negative integers depending on which error is encountered. However, when I'm testing the system calls, the only negative value that gets returned to the user program is -1, regardless of what I have in the code.
Is there some special path I have to take to get the proper return values?
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Jul 8, 2011
I am running an embedded Linux Release 2.4.19-uc0.
I have code in several places that calls
reboot(LINUX_REBOOT_CMD_RESTART)
successfully. I need to put it into a new place in a application running on the system. When I do, it seems to just lock up the system and does not return from the call nor leave me able to Telnet in or Ping or anything. I've tried puttingtrace code in to write info out to a file, but that too is not working (as it never returns from the reboot() call.I don't get any error from reboot(), it just does not return and does not appear to restart the system.
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Aug 18, 2010
I start up my laptop, and it works great for about an hour but then it starts to make a loud scratching sound and I know that sound is my HD and after I have to shut it down (by holding the power button), it takes a few tries to get it to boot normally. So I'm pretty sure my HD is the problem, so my question is how can I back up my system (I'm running Ubuntu 10.4)? Just in case something really bad happens. I remember there was a thread sometime ago and a guy there said something about a program that would create a iso of the whole system, and it would back up everything even programs and stuff. So can anyone help me with this? (Btw the search feature is not working for me) Also if you wanna buy me a new HD you can do that too XD.
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Oct 16, 2010
I have Fedora 13 on my computer. I wanted to try it but I like Ubuntu alot better. Im unable to boot from the Ubuntu disk. The Fedora keeps coming back. What am I doing wrong?
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Apr 20, 2010
I just did do a search on this subject but couldn't really find what I was looking for.At the moment I have a perfectly running system and I would like to make a copy / back-up from that so in case somethings happens I can always place it back as if nothings happened.
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Feb 20, 2010
I'm planning on dual booting my netbook with Windows 7 and UNR.However, given that I don't have a DVD drive to back up my system I was wondering if the "Backup Partition" on my harddrive (which as far as I know, was pre-installed) is the same as these disks.Now another problem lies in what happens if all goes south. Do I lose all three partitions? (Ubuntu, Windows, Backup).I suppose that wouldn't be end of the world. I still have another (main) computer running Vista. Still...
I've dual booted my Vista before and while the main job went withou major incident...I do have a bad history of screwing up one or both partitions.Also, will GRUB still work okay with Windows 7? I'd hate to install UNR and then have the boot loader not let me into one (or both OSes).Without the recovery disks I don't really have a safety net. I do have an external, but it already has stuff on it (my Mac HDD finally gave out, and the ext is a mirror of the HDD as death, which is stuff I do not want to lose). So as a last question (in case you know the answer) will backing up NetBook's HDD using the Windows Backup create a new folder of backup in the external, or use the entire external?
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Mar 4, 2010
I have been using lucky backup to backup my files. However, I am unable to get a list of all packages that are currently installed, turn it into a file, and then back that file up as well with this gui.Lucky-backup's execute function does not work.I would like to have my system backup all appropriate directories upon connection of an external usb drive.I would also like to run a variation of the following command:sudo dpkg --get-selections > /path to external drive/Linux Backup/app-list.log(I need to overwrite the file on every connect- not add to it! What needs to change to this?)1. What commands would I need to use to backup certain directories?2. How can I turn the above mentioned command to OVERWRITE the current file on the drive, and not simply add to it?3. Most importantly, how do I run these commands both immediately upon mounting of the drive, AND/OR "on command" without having to type it all out every time?
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Jun 7, 2010
How do I do it? I only installed the packages from ubuntu and not the whole thing from the cd.
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Aug 28, 2010
I've been trying to back up my system to a tarball for quite a while now. I recently bought a tape drive, and it works. But I'm having a little bit of trouble getting tar to work--whenever I try to copy the files (either directly to the drive at /dev/st0 or to a tarball), I end up with a "file changed as we read it" error, and tar quits before the archive is done. Is there some way I can either prevent this from happening and/or tell tar to just skip that file and keep the job going?
Code:
$ cd /home
$ sudo tar -czf /dev/st0 soren {soren being my home directory, /dev/st0 the tape drive}
[sudo] password for soren:
tar: soren/.gvfs: Cannot stat: Permission denied
tar: soren/.local/share/Trash/files/From Removable Media/16GB Flash Drive Dump/Cliffs of Incognita/Cliffs of Incognita Music/Audio/Stereo 01_01.wav: File shrank by 7289884 bytes; padding with zeros
[Code]...
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May 5, 2011
somebody help me how to back up my ubuntu 10.10 file system?
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Jan 1, 2010
I have two computers, one in my living room and one in my room. Both of the computers were running Windows XP , but I switched the computer in my room to Ubuntu and I guess that this messed up my Linksys connection.My question is, how would I go about getting it back and setup on the Ubuntu system?
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May 16, 2011
With my windows pc, system restore made regular back up points. i could revert to a point in time or restore the whole system from scratch. the only prob was if thoes files got a virus you lost everything anyway. Not so good ill admit.With linux, ive spent several hours setting up wireless, sound and games. i dont want to loose all that time if something happens. being new to linux i dont see a back up feature or a way to save the current configuration i have. id hate as a new user to make a stupid mistake and blow the system and loose all my hard work any suggestions? id like to back up the system as it is so i can restore /copy back this set up if possible. whats the tool to use? does it exist in linux?
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Mar 1, 2010
I am using Ubuntu 9.10 on an Acer Aspire 5050 (5052AWXMi model) and I am experiencing some problems of system Hibernation and Suspend.When I put my laptop to sleep mode (suspend) then after pressing a button system tries to open but what I get it is only a black screen.The same problem appears also when I am trying to hibernate my system. After opening my laptop again I am getting a message < waking up. Please wait > but then I get again a black screen.
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Nov 9, 2010
I recently installed ubuntu 10.10 and am completely new to linux. Something I recently noticed is that my whole system will freeze 2 times after logging back in, but after that it works fine. I will log in, then it will work fine, but shortly after it will completely freeze. After about a minute, it will unfreeze and everything will work fine. Then after a little longer, the exact same thing will occur. After the second freeze and unfreeze, it never occurs again until I log out and log back in. I do not believe this occurs when first starting the computer.
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Nov 12, 2010
I have installed ubuntu 10.10 for a short time, now I meet a problem:I always leave for lunch and leave my computer without turning off. When I get back, it shows a window. after I input my password, I enter my system.Then It halts, the only thing what I can do is moving mouse. After halting for nearly one minute, it resumes to normal.I hope someone can tell me what happens.
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Jun 24, 2011
Our company had a vendor doing some data transformation work for us that we recently decided to take in house. They were good enough to transfer all their processes to a pc we gave them and it's running great. Only thing is that its a linux OS and I have no idea how to do anything other than what to click on to run programs.
Its OS version 2.6.34.8-68.fc13.i686.PAE. KDE SC version:4.5.5
I know that at the bottom left where there would be a windows button on a Windows PC there is a blue K button. That's ALL I know.
First thing I'd like to know is how to totally back up this system OS and all so that if something happens I can load it onto another PC. I'm pretty panicked because it IS an old pc it's on. Then, I'd like to know what is this exactly and how can I learn what I have here
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Feb 16, 2010
can i do a complete system restore on a toshiba netbook with linux op system, as ive bought one with admin name and password still on it, and i dont know the password to use the admin side of the netbook?
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Mar 1, 2011
I've been using Ubuntu for quite a while, several years, though several upgrades. Experimented with various things, uninstalled some and various other messy activities. Some things don't work as well as they used to. Sometimes my system crashes, or hangs for a while before coming back. I still get a KDE screen when I shut down, though I attempted to uninstal that desktop. I would like to start over, that is with as little trouble possible to reinstall from scratch. Have to save my user directories, also the directories for my LAMP applications.
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Mar 19, 2011
I am running Ubuntu 10.10 and I have been keeping it updated via update manager.Last night the update manager popped up and I selected to update all required updates without checking what the updates were.While shutting down I noticed that I needed to reboot to complete the update, so I rebooted.After reboot the wireless network card disappeared. So I moved the PC and plugged in the ethernet cable. Oddly sometimes it shows disconnected for no reason and I have to reboot.What's even worst is that Ubuntu now locks up completely within 15 minutes of a reboot.None of the alt+sysrq commands do anything!How do I find out what the updates were and is there any way to I revert my system back to pre updates without having to reinstall?
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Jun 7, 2010
I have a 2TB USB drive which I use as a backup device - I dump two filesystems onto it, totalling around 1TB. However, doing the dump trashes my F11 system, making it basically unusable, not only during the dump but also afterwards. I have 8GB of RAM, all of which is needed and normally in use, but when dumping, the system starts hogging huge amounts of it as buffer space - up to 1GB of RAM is reported to be allocated. And rather than using free memory for buffer space, it seems to aggressively swap processes out to get it. The system tends to melt down as a result, and just switching virtual desktops can take 5 minutes.
But after the dumps finish, the problems continue - the system is currently trying to keep around 700-800MB free, and continually swapping out processes to do so, even after the buffer space in use has gone back to about 100MB. This seems like strange behaviour for a fairly common type of activity. Presumably a lot of the buffer space is used to store what is being read from the filesystem (which will never be needed again), and some is used to cache the writes to the USB drive which is slower than the internal hard drives.
I have spent a lot of time trying changes to some of the kernel parameters, after reading articles about them. Of all the ones I've tried, setting vm.dirty_ratio to 1 instead of 5 helps a bit, and setting vm.dirty_background_ratio to 5 instead of 20 makes some improvement I think. Setting vm.swappiness to 0 doesn't seem to help at all.
So my question (at last!) is - how can I back up my filesystems without my system dying? In particular, can I limit the space used for buffers somehow, or turn off buffering for the dump process? And why does dumping result in the system artificially keeping huge amounts of space free afterwards, so I have to reboot to make the system usuable again?
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Oct 22, 2010
A member suggested I install Samba (to be able to print to a Windows computer's printer).
I added Samba clients and support files using Add/Remove Software.
I rebooted, and found that the Printers choice in System/Administration had disappeared.
Could someone please suggest how I can get the Printers choice back? maybe a Terminal command to run the Printers config app so I can add a network printer?
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Jun 15, 2011
over here on my desktop I have KDE 4.6.4 running, updated from 4.6.0 through all intermediate steps. In the last few days I feel, that it got a bit unstable and I think, I have messed it up again, with doing some stupid things in the repository management. But of course, I donīt remember what I did...
So I am asking myself, if I could reset the system to the state where it came from: KDE 4.6.0, including all the updates from the standard openSUSE repositories.
I would do it as follows:
1. deactivate the additional KDE repositories and X11 from OBS (I needed it for installing xbindkeys)
2. switch packages to the standard repositories, which came with openSUSE, and also switch the packages to Packman
3. run an update, or how it is called, the switch back to 4.6.0
would this work, or would I completly mess the system up?
I then would leave it like it is, with the only additional repoīs: Packman
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Jan 1, 2010
Currently, my disk layout is: 20GB(windows-ntfs) / 250GB data-ext4 / 20GB ubuntu-ext4 / 4gb swap
Since I no longer use windows, I want to move ubuntu to the first place.
What do I need to change in configuration files, grub and anywhere else?
Shoudl I keep swap where it is or move it, too?
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May 28, 2010
Last Monday I upgraded the Ubuntu from Karmic Koala to Lucid Lynx in my laptop (HP Compaq volna 515), and I have no sound. Searching in linux forums for an answers, I've got that (as far as I understand) there's no unique solution for this problem.
This is my lspci code...
Also, I tried to clean up the pulse audio .. What is funny for me is that pulse audio and alsa, and the audio players seems to work normally (no error of device not found or something like that).. except that there's no sound out from the speakers.
Any suggestion to discover if the problem is drivers, kernel, packages, or hardware failure? more important, how do I get the sound back?
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Oct 3, 2010
I've been using samba without issue on Fedora 11 (x86_64) and decided to upgrade to F13 on one of my machines. Upon install I installed samba with the command: Code: sudo yum install samba samba-client cifs-utils I can now see the smb.conf file and could probably use samba via command line; but, I would really like to use the GUI to configure samba as I have in the past. The problem is, there is no samba gui. How do I get the samba GUI back under: System->Administration where it usually is?
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Jul 1, 2010
I have a problem with GUI under SuSE. As root I can enter but as normal user I can't. So the splash occurs I put user name and password but the system try to enter and later it comes back. I try from CLI, I make startx from command line, the same situation. Sometime the system informs me about a error (a temporary file from /tmp(.X0~ )I must remove, I did but next time it tells me that it can't load one module (it gives me a number).
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Aug 24, 2011
I have a Linux system running (Debian). It is working perfectly from a remote point of view. I can ssh in it, it has the imap running correctly, and a couple of kvm systems running (I can also ssh to them). Well, it works!
But when I go in front of the keyboard/mouse/screen there's nothing. No way to switch between the consoles with Ctrl+Alt+F# (X is not running on this system). The screen is desperately black. But the screen does not go to sleep mode, it still has its green led on! I guess it means that the graphics card still sends the H and V syncs correctly (VGA connection).
Is there a process that is blocking the display and prevents me from getting the control?
Note: Last time I used the console, it was in console 1. Ctrl+Alt+F1.
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Aug 10, 2010
I just recently installed Xubuntu 10.04 on a new desktop and I have immediately begun to have issues. Within 10 minutes of installation, I had begun to look around to change the window 'theme' settings. I was scrolling through the themes and BOOM the system blanks out and forces me back to the login. At first I was thinking it was no big deal, but as it turns out, it will not let me back it.Basically, I use my credentials, it appears to login, it goes to a black screen with the cursor at the top left and then sends me back to login like nothing happened.
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