Ubuntu :: Locks Up Entirely On Seemingly Random Occurrences?

May 24, 2010

Sempron 3100+, 512mb 400mhz RAM, Ubuntu 10.04 32-bit.From what I've noticed, the computer seems to primarily lock up when an internet browser is open and/or being navigated (I'm testing this observation, now). I've tried Firefox and then installed Chrome; same thing.CTRL+ALT+F1 unresponsive, mouse is frozen.Note that this is an old build given to me by a friend. The build originally had one stick of 512mb and 256mb. I took out the 256 for diagnostic purposes. Additionally, the computer originally had an nVidia 6200 graphics card, which I replaced with a 6600 I had lying around--again for diagnostic purposes. I installed the recommended video drivers respectively. After three re-installations of Ubuntu, 2 different browsers, 2 different graphics cards, running memtest86 and singling out the RAM, and using a can of air to eliminate any overheating issues, I'm unsure what to do next. I have a feeling this is operating system related, though. In BIOS, the CPU fan seems to be running at fine RPMs, but no temperature is given

Do note I am entirely new to the Ubuntu/Linux OS, and wanted a cheap, nice solution for this salvaged PC that I'm giving to my little sister. edit #1: Left the computer idling on desktop with no browser open; seemed okay for hours on end. I opened Chrome to the google homepage (with the Pac-Man flash theme at the time), and it did not freeze then as well when set to idle for hours at a time.

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OpenSUSE Install :: Seemingly Random Crashes On A New Desktop Running 11.3

Sep 9, 2010

I got a new desktop and figured this would be a great oppurtunity to update to 11.3 (from 11.2) while migrating files.. However I have had lots of problems with it, right of the bat. My first installation got messed up right after it was done, so I had to redo everything. Now the system boots up all fine but I am experiencing crashes every once in a while. By crashes I mean nothing works; the system monitor graphs freeze, the clock freezes, system doesnt respond to key strokes. The only remedy is then to "force an unexpected reboot" (ref: IT Crowd). I have a feeling that it has to do with Yast or something related to Yast, as it is the only common denominator between the crashes so far. However the system doesnt crash everytime I start Yast so I cant really say anything conclusively..

I have also realised that when I attach a secondary screen the graphics get kinda screwed as well.. if that makes any sense... Here are my system details: Dell Vostro Desktop with Core i7 64bit processor

8 x 2.8Ghz
6gig ram
graphics card: GeForce GT220

What could be the problem here? btw let me know if anyone wants to see logs from /var/log/messages

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Ubuntu :: Internet Seemingly Dies Out Randomly

Sep 21, 2010

Whenever I use Ubuntu, the internet seemingly dies out randomly. It never does this for windows 7. Could it be the router coincidentally dying, or is it a problem with Ubuntu?

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Ubuntu :: Wine Seemingly Interfering With Default Interface?

Apr 21, 2010

Something seems to be replacing some portions of the default gui appearance in gnome with the old win98 look... Wine maybe? I have wine installed and I use it for a few of my pld windows programs, but all the programs in the screenshot are native linux programs...

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Ubuntu Networking :: Connect Using ETH0 And Then Seemingly Fails And Disconnects

Mar 29, 2010

A friend called me today and he explained to me that after his ubuntu install he was unable to connect to a wired Ethernet network. He says it trys to connect using ETH0 and then seemingly fails and disconnects. I have him run a if config and send me a pic. The very odd thing about it is He had a lot 5-8 INET6 address? The laptops is Acer extensa 4420

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General :: Packages Seemingly Install Fine With Zypper But Can't Be Run And Aren't In Menus

Oct 3, 2010

I'm not sure how to describe this because no-one else on the internet seems to have had anything even vaguely resembling this problem. I'm trying to install wxPython for openSUSE 11.3 (which seems to be called python-wxGTK which is fine). I don't think it's a problem with that particular package because I seem to remember something going wrong ages ago, the last time I installed something, but it didn't affect that particular install so I paid no notice. I'm sorry, that was a really vague statement and won't help anyone in the slightest. Anyway, the reason I think that event was relevant is that ever since then my Gnome menus have been out of sync - the new package I installed didn't appear on the menu.

Anyway, onto actual useful stuff. Just as a test case (to see that nothing was wrong with wxPython) I installed another small application with zypper (just the standard sudo zypper install moneyplex). zypper didn't complain at all and as far as I know it went perfectly.


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General :: Sed Remove All Occurrences In A String?

Nov 21, 2010

I have:


If I used:

sed 's/u0052//'

It only removes the first occurrence. How can I remove all occurrence in the line?

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Ubuntu Multimedia :: Copy Random Jpg From Random Folder

Jan 19, 2010

I'm looking for a script that copies a random .jpg from a random folder in my ~/Pictures folder to my ~/temp folder with a standard filename. This file will then be displayed in Conky. I can fix the last part, but I cannot find a way to do the first part.

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General :: How To Get Number Of Occurrences Of String From Grep

Apr 29, 2010

How do I find a string in files in a directory. And these file names begin with letter a. I also want to get the number of occurrences of this string from the grep I run.
I tried this:
cat * | grep -c string but it searches all files. I just want to search files that begin with letter a

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General :: Count How Many Number Occurrences In Series?

Jun 2, 2011

i try to make a script in bash that u choose a number for example 501 and another number like 1 and find how much the 1 number repeat in all numbers from 1 to 501 for example 11 -->1 repeat 2 times.in 1 to 501 the number 1 repeat 200 times.

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Programming :: Sed - Replace Alternate Occurrences (on Different Lines)

Apr 15, 2011

I'm trying to process a postscript file and I want to change alternate pages by finding the string '%%EndPageSetup' (and then adding a line after it).

I've tried using sed with labels and a branching program to ignore the odd occurrences and process the even ones. In the code below I tried searching for the first and ignoring it by jumping to next and processing it and then to the next odd page and so on.

My logic is obviously flawed here as it doesn't work but I've tried the following:

sed -e '/%%EndPageSetup/{
b even
/%%EndPageSetup/ b even
s/%%EndPageSetup/%%EndPageSetup++/ b odd}' filename.ps > newfile.ps

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General :: Bash: Replace All Occurrences Of A Word In The Last Command

Mar 9, 2011

Almost by mistake, I figured out you could do something like:

$ cp foo.data bar1.data
$ ^bar1^bar2

And that runs the same command with bar2.data instead of bar1.data. Now, how about if I have multiple occurrences of the target word? For example:

$ cp foo.data bar.data
$ ^data^index

It only replaces the first data extension. How do I get it to replace both?

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Programming :: S/ Command Won't Replace Two Occurrences Of Pattern On Same Line

Dec 15, 2009

Here's the actual line of code, which exists in a bash script:


I want to replace instances like this:


with this:


Using this:


Which works great when there's only ONE of the pattern on the line. But in a case like the "actual line" I posted first, where there are two patterns, separated by a slash, only ONE gets replaced



Why? There must be (among many other things) something I'm not knowing about sed, that's causing this.

-- I'm currently using the ~ (tilde) as the separator in the sed command. It doesn't matter, I've used / ~ and % with no difference.

-- As a test, I tried putting a different character(s) in the middle of the original pattern instead of the / but that made no difference.

-- I've come up with various similar but slightly different regexs that will do this replacement, but they all have had this same result.

-- I tried the sed single-quoted, double-quoted, and unquoted; the latter fails to execute, and the formers both work as described here: wrong.

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Programming :: Text File Replace Occurrences Of Three Character String ZZZ With Quotation Mark

Mar 30, 2010

I want to use SED to do the following: In a text file replace any occurrences of the three character string ZZZ with a quotation mark "and. replace all occurrences of a comma with a semi-colon. It is the S/ / / command which is stumping me on the first issue...inparticular how to get the replace string to be quote.

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Programming :: Write A Function That Counts The Number Of Occurrences Of A Pair Of Letters In A String?

Sep 9, 2010

Some help with this problem:Code:Write a function that counts the number of occurrences of a pair of letters in a string

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General :: Find All Occurrences Of "string1" In Files Under A Directory And Replace Them With "string2"?

Jul 29, 2011

In linux, what's a good way to find all occurrences of "string1" in files under a directory and replace them with "string2"?

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Ubuntu :: Using The Tab Key As Cap Locks

Aug 6, 2010

after my last topic that i got working, i realised i have the same problem as i did in windows, but cannot find a fix by google. and this is exactly why im not using capitals at the start of my sentences.

my cap locks key is broken and i want to use the tab key as my cap locks key. is this possible and how do i do it. i'm a linux noob

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Ubuntu :: Locks Up After Less Than 5 Minutes Of Use?

Aug 18, 2010

I have to type this quick because Ubuntu will lock up on me.The screen goes black, the cursor does NOT move, and the only way to recover is to do a hard reboot. This happened when I had windows XP installed as well, only it would reboot the machine after 5 minutes.I barely have time to open one program and it locks up.Could this be a hardware issue?I tried taking out the video card I had bought, thinking it would solve the problem, but it does not.

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Ubuntu :: New 10.10 Locks Up After Login

Jan 24, 2011

I just installed Ubuntu 10.10 on an older PC along side Windows XP. Everything boots fine in Ubuntu, until I log in. At this point I just get a blank purple window. No icons or start menu or anything. I am able to log in fine in safe mode.

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Ubuntu :: 9.10 Freezes/locks Up On First Boot Almost Every Day?

Jan 6, 2010

It gets stuck on the boot screen with the status bar, or on the loggin screen. The only solution is to reset. After that it is usually fine for the day and will reboot fine, it's a dual boot and my boys use windos on it a couple times a day also, that's why it's getting rebooted so much.

Any possible reasons for this? Or, how can I kill the boot image and get a text based boot screen? I tried Startupmanager, but it doesn't seem to work on 9.10.

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Ubuntu :: Using Cdrom Locks Up System?

Feb 19, 2010

whenever i try to burn mp3 from a disk in the cdrom, the system will freeze up solid, keyboard, screen, mouse, the whole shebang. ubuntu will see an audio disk in the cdrom, and i can play some tracks off it (sometimes), but trying to copy it to mp3s will crash everything after about 2-3 minutes. somewhere between tracks 2 - 4. anyone else have issues? i have tried a different cdrom, and cables... and i hate to say it but it works under windows.

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Ubuntu :: 10.04 Locks On Startup 50% Of Time

May 13, 2010

I've experienced this problem with a distribution upgrade and then subsequently with a clean install of Ubuntu 10.04. Basically half the time that I boot up Ubuntu, it completely locks up with the following messages on screen (Sorry, I had to take a picture since it was locked up)However, when it does boot correctly, it pauses for just a moment after displaying the above text, and then displays a few additional lines, after which it goes on to boot 'normally'.

The next lines show 'plymouth' and 'ureadahead' processes being killed. If these lines show up the boot continues normally, otherwise the boot process hangs at the first picture.It is pretty frustrating to have to perform a hard restart during nearly every other boot, and the hangs seem almost completely random. Sometimes, it happens a couple times in a row, sometimes I can boot normally several times in a row. It also doesn't seem to be related to a cold start, versus a restart.

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Ubuntu :: Freezes / Locks - Up / Non-responsive?

Aug 30, 2010

I am running Ubuntu 10.04. I have a HP Pavilion Dv7 Laptop, 4GB of ram, An AMD Turion X2 processor, my main HDD is 250GB Samsung and my other internal HDD is a 250GB Western digital. I am Very new to Ubuntu and the forums, So i wish to apologize if this is posted in wrong section. Now on to my problem, While using my computer the screen will go gray(all open windows), and my HDD light stays on. I never had this problem before on my other computer that has Ubuntu on it too. And as i said every window goes gray and the HDD light stays on and it happens randomly. It will come back to normal some times but others i have to Force Power down.

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Ubuntu :: Mouse Randomly Locks Up?

Sep 19, 2010

Once in a while, my mouse pointer will just lock up and then when I try to kill the X server by pressing Ctrl + Alt + Backspace on my keyboard, it quits the desktop and it shows my wallpaper. It does not go back to the login screen. How do I fix this problem?

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Ubuntu :: Screensver Locks Even After Disabling?

Nov 22, 2010

I have disabled the screensaver from locking the computer and asking for a password. I did this by unchecking the box in System > Preferences > Screensaver which says 'Lock screen when screensaver is active.'

However, the screensaver still locks the screen.

I'm running Ubuntu 10.10 64-bit on an HP Pavilion dv5.

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Ubuntu :: Locks On Shutdown When Via Terminal?

Dec 6, 2010

When I try shutting down Ubuntu (10.04) via the terminal (sudo shutdown now) it locks on the splash screen. I doesn't doe that when I shutdown with the button.

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Ubuntu :: System Locks Up On Restart

Feb 2, 2011

I just installed Ubuntu 10.04 on my old Toshiba Satellite laptop. I'm dual booting with another Linux distro - ZenMini Everything works O.K. running Ubuntu but I can't restart the system with out it locking up. I have to power down completely from Ubuntu. I don't have any problem restarting with ZenMini so its obviously an Ubuntu problem.

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Ubuntu :: Run Program When Screen Locks

Feb 7, 2011

I would like to run a command when the screen locks, and another when it unlocks. I work in a shared office space. When I leave my desk (and the screen locks) I would like the webcam motion capture software 'motion' to run, in order to record anyone who uses my computer when I'm gone. Likewise when I come back and unlock the screen I would like it to pause.

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Ubuntu :: Locks Up On The Install Screen?

Mar 1, 2011

When Ubuntu loads on my laptop (micron gx3, pentium 4) it freezes on the install screen. Is there something about my hardware that might cause a problem? I looked @ the other micron GX3 forums and didn't see the same case

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Ubuntu :: Computer Locks Up Slows Way Down?

Jul 9, 2011

About a week after installing 11.04, I started noticing that my computer basically locks up after leaving it for many hours. When I come back, I cant get any programs to respond. I click on Firefox and it takes about one minute for it to finally respond. If I try to launch Konsole, it locks up too. But suddenly all programs start responding at the same time, after about one minute.

This is very frustrating and I just feel the problem is zeitgeist. Of course I am not sure because I cant even run System Monitor to check the problem since I cant run any apps for about a minute. By the time I run System Monitor everything is working again.

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