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• Ubuntu 11.10 Random reboots how to find root cause?

  - by Indigo42

  All, This issue started with 11.04, I upgraded to 11.10 this week in hopes it would correct it, but after a few days it happened again.. A few times a day, randomly, my monitors will go black and the machine will come back in the post screen and boot up again. Sometimes it boots up properly, sometimes it boots to disk scan (I understand why...the machine just died with a bunch of stuff open) and sometimes it takes several cycles of this to come up. I connected to the system with my laptop and tailed dmesg, syslog, kern.log, and Xorg.0.log. I also ran a cat /proc/kmesg. Nothing is showing up in any of these log files when it happens..it's just like someone has pulled the plug. I just got through running 4 hours of the memory test with no errors. I have a AMD Phenom 9850 Quad-Core Processor and Nvida 9500GT graphics card. This system has been stable for like 4 years. I'm thinking it might be a hardware problem, but how do I find out? Thanks,

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• Maxivista vs. Synergy vs. hardware KVM switches [closed]

  - by GetFree

  I have 2 PCs on my desk, each one with its own screen, mouse and keyboard. And it's a pain moving from one PC to the other (even though they are one foot away from each other). So, it's time to change to different approach: KVM switches. What would you recommend for a setup like mine? I dont need to change monitors since they are both in front of me. I just need a way to change mouse and keyboard. I use Windows on both PCs and money is not an issue if it worth it. What would be the best option for a seamless integration of the two PCs? Edit: What about other software similar to Synergy, like Input Director? What's more convenient in your experience?

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• Access to certain files but not others

  - by ADW

  Hoping someone can help me as I have, thus far, been unable to solve the issue. I am running a media center utilizing Ubuntu 12.04. I was initially successful accessing media files from the desktop running Ubuntu via my Windows 7 laptop and Roku device. I started backing up a new batch of DVD's I had (into MKV files, like everything else in my media folders) and noticed I cannot access the new files from either the Roku or the laptop. I have not changed any settings in the media folder and verified the shared permissions. The parent folder (Media) is shared (with permission flow-down) while the subfolders (Movies, TV Shows, Music) are not. I have changed the permissions on this to include shared when the access problem arose but with no success. I can only access the original files uploaded an not new files added. Any suggestions??? Thanks in advance for any and all help.

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• Files apperaring/disappering from folder on share

  - by rheitzman

  Windows Server 2008 R2 I have a folder H:\temp\folderName where H: is a file share under ADS on the server. I have "Full Control" permission on the folder. I can open the folder and see a file and/or a folder that is supposed there. If I try to drag/drop or Copy/Paste the file I get an error "Could not find this item. This is no longer in ...." But I can still see the file. Similar issue occur at command prompt. I cannot delete the folder. Delete actions run w/o error but the folder is still present. I was able to rename the folder. My guess is there are some cross link issues. Or? Does anyone recognize this syndrome? What is the proper next step to verify the file share?

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• Word 2010 Style Sets and Multilevel Lists

  - by Stevia

  In Word 2010, how can you create quick style sets that include multilevel lists (include being the operative word)? As background, I have created a set of styles for a long agreement form and assigned them to levels in a certain custom multilevel list. I then also saved those styles as a quick style set called Long Agreement. I have saved those styles in my normal template. That all works fine for assigning styles to a Long Agreement. What I'd like to do next is create a second style set called Short Agreement. I will assign certain styles to that style set. The issue is that I don't see how to tie a different custom multilevel list to those Short Agreement styles. When I click on Change Styles, Short Agreement [style set], and I apply those styles, how can I get it to automatically use the multilevel list that I assign to short agreements?

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• Prevent history deletion on Google Chrome

  - by ProstheticHead

  One of the guys I'm in charge of hasn't been pulling his weight. His productivity and quality of workmanship are way down and his computer's been getting malware infections lately. You can see where this is going. I'm generally an easy going guy (and I don't want any trouble but I still have to address this issue). Is there a way to disable browser history deletion on Chrome? I'm hoping this alone will be enough of a deterrent to put things right.

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• Tomcat hangs in shutdown

  - by Morven

  I have a Tomcat server that won't shut down. It is listening on the correct port (8005, for this one) to receive the SHUTDOWN command. I can issue that command, either with the bin/shutdown.sh script or by telnetting to that port and typing SHUTDOWN. At this point, the shutdown port closes; I can no longer connect to it. The AJP13 port stays open, though; nothing is logged in catalina.out, and things don't shut down. Anyone seen this before? This is on Solaris 10 on Sparc, if it matters (it probably doesn't) and Tomcat version 6.0.20.

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• How to test which button is stuck

  - by Macha

  My laptop's keyboard is prone to buttons sticking. The fix is to just press the same button again. Now when it is the letter/number keys are stuck, it's just a matter of putting the cursor in a text field, and seeing what characters appear. However, when it is one of the modifier keys, or tab, or enter or a few other buttons, it gets harder to tell which key is to blame. Trying to type can result in all sort of shortcuts being triggered. Is there anyway to test what input is being recieved? Also, I'm guessing this is a hardware issue, but if anyone knows of any possible causes/solutions it'd be appreciated. It's a Dell Studio 17, and the problem occurs under Windows and Linux.

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• Mysql too many connections but not visible in fullprocess list

  - by user968898

  I got a big problem, I guess it's something like a dos attack but I am not sure. Since this morning, my database is very slow and gives me 7/10 times a too many connections error or tries to login with www-data user (as following up of the too many connections error?). I tried to locate the issue by mysql command line with 'show fullprocess list' but it gives me just one response back and that 'me'. What can I do about this? The websites are still running ok, but mysql is overused I guess.

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• Upgraded from ubuntu 12.04 to 12.10 issues

  - by ubuntu novice user

  I recently upgraded 12.04 to 12.10 ubuntu and then all hell broke loose. Being more specific, I have a Compaq machine and its hard disk is partitioned into 3 parts, so when I installed Ubuntu 10.04, I installed it in windows, since then have upgraded with each new ubuntu release via the update manager without any problems. I have installed the 64 bit versions. 12.10 downloaded via update manager, and initial downloading of packages was without problems, however, as it tried to install the packages, error messages appeared. The first was one about missing lib files, but I clicked to continue, since I am a relative novice on ubuntu. It continued, and during the restart process, when it was powering down, the computer hanged on the shutting down bit without rebooting for more than half an hour, so I manually shut down the machine and restarted it. Then a new error message appeared stating could not find disk, and I hit the manual fix option, and it now boots to an empty ubuntu desktop with my wallpaper but no launcher and the graphics appears as if this was put on a 640 x 480 resolution, and the screen no longer fits onto my 19" LCD. I had to use Ctrl-Alt-T to log out and then restart from there. How can I resolve this issue. Please help!

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• Win xp reinstall now I am unable to connect to broadband what shall I select to do this?

  - by waterfallrain

  Hello, My hardrive was failing so I needed to reinstall win xp. I completed the reinstall and the drivers but now only the wireless connection works. The broadband states connected but does not go out to the interenet. When I click Internet Explorer it says unable to find webpage. I have tried several major sites so I know its not the site but some configuration or something I need to do on my end. When I go to the cmd prompt and renew the ip it refers to my wireless nothing about this broadband connection. What do I type/select to get this to go out to the Internet. The broadband is working for my other laptop so I know the connection is not the issue. Any help would be much appreciated thank you.

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• Excel: #NAME? appearing when linking/referencing other spreadsheets/workbook cells

  - by Mike

  I'm updating a spreadsheet that refers to data in another worksheet =NameofWorksheet for some reason I get #NAME? in some of the cells, even when the actual path is correct. The only way to overcome the problem is to open up the source spreadsheet and then recalculate the destination spreadsheet. But, if I then close the workbooks; open up just the destination workbook the #NAME? issue comes back. I've even created a test destination spreadsheet and it doesn't suffer from the #NAME? problem. Any reason for this? Should I be worried about the integrity of some Sheets? Any advice greatly appreciated. Michael.

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• Windows XP reinstall, now I am unable to connect to broadband what shall I select to do this?

  - by waterfallrain

  My hardrive was failing so I needed to reinstall Windows XP. I completed the reinstall and the drivers but now only the wireless connection works. The broadband states connected but does not go out to the Internet. When I click Internet Explorer it says unable to find webpage. I have tried several major sites so I know it's not the site but some configuration or something I need to do on my end. When I go to the command prompt and renew the IP address it refers to my wireless, nothing about this broadband connection. What do I type/select to get this to go out to the Internet. The broadband is working for my other laptop so I know the connection is not the issue. Any help would be much appreciated.

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• Linux Minux 12 Freezes (Gnome 2) - How to go about finding and fixing cause?

  - by AsH

  This freezing issue has been reported by others over the past few months but no clear answer has been provided. Some have attributed it to Banshee or other music players but this is incorrect since I have this problem and never while using anything other than perhaps Firefox. (I am not sure if it is necessarily due to firefox). Logging out and logging back in seems to remedy the problem. However, it would be nice to fix things once and for all. This problem began in the past 3 weeks. I alway have all Mint updates implemented.

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• tar gzip slowing down server

  - by Josir

  I have a backup script that: compress some files generate md5 copy the compressed file to another server. the other server finishes comparing MD5 (to find copy errors). Here it's the core script: nice -n 15 tar -czvf $BKP $PATH_BKP/*.* \ | xargs -I '{}' sh -c "test -f '{}' && md5sum '{}'" \ | tee $MD5 scp -l 80000 $BKP $SCP_BKP scp $MD5 $SCP_BKP This routine got CPU at 90% at gzip routine, slowing down the production server. I tried to add a nice -n 15 but server still hangs. I've already read 1 but the conversation didn't help me. What is the best approach to solve this issue ? I am open to new architectures/solutions :)

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• Ubuntu server 9.10 freezes up after ~10 minutes - unconventional

  - by L33tCh

  There is a topic by essentially the same name, but my answer leads to another question which I would like answered so... My case is as follows: I connect through SSH to my server... no problems for many months on Ubuntu Server 9.04. Eventually I decided to updgrade and straight away I get the 10 minutes freeze problem. I went through all the possible fixes (many can be found here but my quick fix, the only that worked, leaves me with no real answer as to why and how to properly correct it... As ridiculous as it sounds... while I leave a keyboard plugged in... it runs without flaw. Can anyone make sense of this? For the sake of completeness, (although none of the following made any difference upon subsequent completion), some of the permanent changes I have made while trying to correct the issue are: replacing samba config file with 9.04 backup, booting with noapic and modifying sysctl.conf, just uncommenting additional settings for enhanced security.

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• Should developers do their own software releases (if there is a prod support team in place)?

  - by leora

  I know there are going to always be differences depending on the particular size, staff etc, but i wanted to get feedback in general around: In an environment where you have a production support team doing first line support and release management, is it better to simply have developers manage their own releases instead? In this case, its internal software at an insurance company but the question should be valid at any company, size, etc I think. Currently, we have our production team do releases but there is an argument that its inefficient and that if you allowed developers the ability to do it, they will focus more on making it simple and efficient and avoid basically passing on scripts, etc to run to another team. The counter argument is that if you don't have a check and balance, you could get a software team (or an individual) that doesn't a very hacky job about getting their software out there (making on the fly changes, not documenting the process, etc) and that by forcing the prod support team to do the actual release, it enforces consistency and proper checks and balances. I know this is not a black or white issue but I wanted to see what folks thought on this so the discipline and consistency is there but without the feeling that an inefficient process is in place.

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• Live HTML Preview

  - by netbeanstips

  When you need to edit an HTML document in NetBeans you may find useful this little plugin that adds a Preview tab to HTML editor window. The plugin works with some small issues in NetBeans 7.4 but I recommend using development builds instead. So install the plugin, restart NetBeans and open any HTML document. Notice there's a Preview button in editor's toolbar (see the red rectangle in the picture below). Now split the editor window by dragging the split button at top right corner. You can also use menu View - Split - Vertically.  Then in the bottom split part toggle Preview button. You will get a live preview of your HTML source code. The preview pane will auto-refresh as you edit the HTML code. There are even some handy tools in Preview toolbar, for example you can resize the preview browser to match the screen dimensions of various device types. I know there is full-blown HTML5 support in NetBeans 7.4. But if you need to edit a single document or when you're running Java-only NetBeans distribution this plugin may come handy... Note: The plugin is built on top of embedded WebKit browser which is based on JavaFX WebView component. So there might be some issue when using the plugin on some flavors of Linux.

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• No root account

  - by user107744

  Okay, here's my problem. I was being an idiot and installed compiz-core on my Xubuntu 12.10. So there I was, trying to figure out how to fix my issue, and I did sudo xfwm4 --replace. Then I was unable to login. So I logging with guest, delete my old account, without deleting the home folder, of course, and I create a new account "michael2". Instead of creating a new home folder for it, I instead instructed the program to use my old home folder. Unfortunately, it completely erased the folder, along with over 150GB worth of downloads and about 200 hours worth of work (I work from home, so, yeah). And to top it all off, whenever I try to use the sudo command, I get the error michael2 is not in the sudoers file. This incident will be reported. I don't know how to fix this, nor can I login to root (I never set the root password, because I never had the need to login as root to do anything). Any help will be appreciated. Is there maybe a way that I can do system restore to restore my previous files and username? I need answers as soon as possible, because I'm literally losing money by the second (the entire work from home kinda thing).

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• 1 Computer Pulls Wrong DNS Every Morning

  - by bradenkeith

  One of my users takes his laptop home, connects to his internal network fine. He brings it in every morning and since Monday - every morning it pulls the wrong DNS every time. It pulls 1 DNS: 192.168.1.1 which is the router. The DNS are external IPs. I have several users that take their laptops home and connect to other networks - what could cause this anomaly? He's booting up when he comes in the office and a simple ipconfig /release /renew fixes the issue.

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• how to manage a multi user server on linux?

  - by user1175942

  I'm working on a university project, where I have Tomcat as a web server, and I want to create a multi user environment on top of linux, so every user that logs into my website has his own credentials, and he can access only his own data (files and folders...). The main issue is that the purpose of the website is executing code on the server-side, so I must have a good (reasonable) protection against malicious code. (a user destroying his own user is fine by me) I thought that defining a linux-user for every website-user is the best solution - it isolates each user from the other, and I can define each one's permissions. Can I create users in linux using shell commands? Can I configure max quota/memory/cpu for a user? Anyone has another idea for managing that kind of multi-user environment?

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• SNMP - So I have a MIB. Now What?

  - by senfo

  I can't seem to get my head wrapped around the purpose of a MIB. I have a collection of ~20 MIB files that were supplied to me by the vendor, but what do I do with them? I also have a few OID's that were supplied by the vendor that don't seem to be valid. When I issue an "snmpget -v1 -c public 192.168.0.123 .1.4.6.3.2.6.2" (assume that's a valid OID), I get an error indicating the variable is unknown. Does this sound like a hardware configuration problem? Do I need to "load" (for lack of better words) the MIB into the device? Unfortunately, the vendor has been completely unresponsive with returning emails to my questions, so any help would be greatly appreciated.

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• nagios service check

  - by DRH

  I am new to nagios and we have a small issue I need to ask assistance with. Many of the machines that we monitor can go unresponsive for a bit when some very intensive cpu tasks are run. This makes nagios send warnings and alerts while these hosts are busy reporting things like 'ping timeout' or 'zombie processes' and even swap space warnings, but in actuality there is not a problem. Is there a way to configure nagios to not send such alerts, but check x number of times over a period of time and only then send an alert at the end of that time if the server in question has not recovered?. Looking at the commands.cfg file, I see entries like this: define command{ command_name check_local_swap command_line $USER1$/check_swap -w $ARG1$ -c $ARG2$ } How could I modify this example to accomplish what I want above. Thanks

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• Realtime website slowness (PHP/MYSQL)

  - by 3s2ng

  We got a website with realtime transactions. The past few days we experienced some slowness during a period of time. Usually the slowness last for 5 minutes. And also during the slowness we noticed that sometimes we can not connect to SSH and FTP or sometimes very slow to connect to those services. Currently we are trying to identify the issue. We already setup database monitoring tool. Now are about to signup with pingdom.com My question is. If the website is too slow due to the database (table or row lock) will it affect the other services like SSH and FTP? Does the ping correlates the page load and the connection between my PC and server? Thanks, Mark

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• can power supply affect I/O

  - by user101289

  I have a dev server machine running Ubuntu 12.04. For a long while it's been throwing intermittent errors where it would suddenly tell me "File system is read only" or drop into a GRUB error console on boot. I've done disk checks, bad blocks, etc. and no real problems with the main SATA drive were detected. Finally the drive would not be detected at all-- but neither would other drives I plugged in (via SATA). I plugged the supposedly "bad" drive into another server and it worked fine, no issues, for days-- so I assumed the motherboard had a bad SATA controller, and replaced the motherboard with an identical model. I replaced the drive into the original machine with the new motherboard, rebooted-- and the same issues-- I/O errors, failure to read the drive at all, dropping into GRUB, etc. I'm wondering if there could be some other issue with this machine, that's not related to the drive-- possibly power supply? Thanks for ideas

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