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• Munin fills server memory

  - by danilo

  In the last weeks, it happened several times to me that my vserver (Debian Lenny) was out of RAM (500M) and therefore wasn't able to run apache anymore. When looking at the processes with top, I saw that there were many open munin-limits and munin-cron processes that consumed most of the memory. My guess would be that sometimes Apache temporarily needs more memory, which prevents munin-cron from running. And if munin-cron isn't able to stop itself, it would fill the memory until nothing is left. I don't know whether this guess is true, but could maybe someone know what the problem is and how to prevent it? If necessary I'll remove munin, but I'd prefer to keep it running.

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• 13-inch Macbook Pro Battery Not Charging

  - by hkhalidz

  I have a 13 inch Macbook Pro. From last night on, it says 'Battery Not Charging'. The charger's light is always green and if I remove the charger it turns off(means the battery is completely empty). I tried reseting the PRAM and SMC, but not dice. I also tried using different chargers with out any success. The Macbook Pro is from the new generations and is over a year old. The Power Information section indicates 458 for the Power Cycles. Any help would be greatly appreciated.

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• Windows 7: How to display the total size of Recycle Bin

  - by Mehper C. Palavuzlar

  On Windows XP, the total size of Recycle Bin could be seen easily, but I can't see it on Windows 7. Why did Microsoft hide/remove this feature? Am I missing something? REMARK 1: I don't need to see the maximum size that Recyle Bin can contain. REMARK 2: Once you have several files selected in the Recycle Bin, you get a "See more details" link in the status bar, but clicking on that does not display the total file size. Microsoft has apparently changed this.

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• How to delete empty folders from a given directory in windows with a script

  - by Nicola Peluchetti

  I'm using r.js as a build tool but as of today that tools doesn't give me the ability to delete empty folders in the build dir. I've found these two scripts for /f "usebackq" %%d in ("dir /ad/b/s | sort /R") do rd "%%d" for /f "delims=" %%i in ('dir /s /b /ad ^| sort /r') do rd "%%i">NUL looking around the net but i always get %%i was unexpected at this time. or %%d was unexpected at this time. And i wouldn't know how to tell the script where my directory is. My build script is @echo off where /q r.js || ( echo requirejs node package is not installed. You must install node, npm and then run npm install -g requirejs goto :eof ) node r.js -o app.build.js :end I need to tell the script to remove all empty directories which are located inside ../../js

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• Stripping Non-Text from a Scanned, OCRd PDF

  - by Daniel S.

  I have a PDF created from a scanned document. OCR was used to recognize text. In Acrobat, if I select text, and click 'copy with formatting', I can paste the formatted text into Word, so it seems that fonts and colors are also embedded in the document in addition to just plain text and possibly the size. Is there any way to use this information to create a PDF that just contains the formatted OCRd text, without the scanned image. Currently, my document only shows the scanned image, and the text is on an invisible layer. I would like to create a PDF document that removes the image that was scanned, and displays the formatted text that is currently hidden. The following post has a section on "How can we make the invisible text visible?" PDF has an extra blank in all words after running through Ghostscript However, doing this does not show the correct text formatting (that is retained when pasting in Word), and I also would like to remove the scanned image so that the final PDF just contains formatted (color, font, size) vector fonts, and no images.

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• How to configure JAAS on JBoss?

  - by AntonioP

  Hey Im having a problem with "Failed to load users/passwords/role files: java.io.IOException: No properties file: users.properties or defaults: defaultUsers.properties found" error from jboss. No matter what I change in conf/login-config.xml always that same error. Turning on TRACE for org.jboss.security shows that it does Security domain: myapp followed by findResource: null and the above error. Ive tryed adding a users.properties to my .war WEB-INF/classes/users.properties to no avail. Why is jBoss doing like this? What is this JAAS and why does it need it? What does it require, where to put what files, if its possible Ill remove all of this org.jboss.security.auth.spi.UsersRolesLoginModule completly, just let me use my app. Thanks

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• my linux problems and solutions [closed]

  - by Delirium tremens

  I read somewhere in StackOverflow or StackOverflow Meta that if I had a problem, then solved it myself, I can share the problem and solution with you. How do I? in Linux: remove unneeded packages using apt-get play spc and psf update the system using apt-get in Mint: install lamp install and configure xdebug enable xdebug for cakephp install bazaar colo rename a repository directory when bazaar explorer fails init a repository when bazaar explorer fails use ssh key with launchpad uninstall firefox 3 when synaptic fails install minefield make pearltrees load when flash fails edit clojure documents install compojure create a new compojure project in Kubuntu enable phpmyadmin after installing lamp stop MySQLdb module error in webpy in Ubuntu stop the mouse pointer from disappearing fix the color stop sync read-only filesystem error stop download prompt instead of site enable phpmyadmin after installing lamp enable mod_rewrite after installing lamp

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• Can I block social share buttons with Privoxy?

  - by gojira

  A great many pages have these "Like", "Tweet", "G+1", "share" row of buttons all over the place and in each post in threads. Can I block these unwanted context with Privoxy? I am already using Privoxy and it blocks a lot of unwanted content, but still these "social" buttons are all over the place. I want to completely remove these buttons specifically by using Privoxy. I know that it is possible to block using AdBlock LITE and other software, but my question is specific to Privoxy (reason, I want one point to block all unwanted content and it needs to work on devices / softwares which do not have AdBlock LITE, therefore I use Privoxy). -- Software used: Privoxy 3.0.21 under Windows XP

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• Complete solution to upgrade PostgreSQL on debian production server

  - by Daimon

  I'm using Debian 6 (Squeeze) in production for a couple of websites. I decided to use postgresql backports so that I could use PostgreSQL 9.0 features. I thought that it would remain 9.0 and receive updates to that major version. Unfortunetly Squueze backports were updated to PostgreSQL 9.1 so probably I won't receive updates to 9.0. I'm planning upgrading to 9.1 but I know that it's not done automatically. I've read about official pg_upgrade and debian's pg_upgradecluster, but I would appreciate complete guide to upgrade. What are steps to do (first apt-get install postgresql, then pg_upgradecluster, then remove old cluster)? List of steps would be nice. What are possible failure scenarios? How to prepare to failures and react on them? I can stop database for a couple of hours only so I want to be prepared

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• Convert color photos of documents to good black-and-white images?

  - by Norman Ramsey

  Since I don't have a copier or scanner, I'm using an 8 megapixel camera to copy documents. This works pretty well except they need a lot of processing afterward. I'd like to get from a photo to a bitmap, but using djpeg -grayscale -pnm photo.jpg | pgmtopbm -threshold -value XXX does not work so well, for two reasons: It's hard to guess what XXX should be, and XXX is different for different photos. Illumination varies, and sometimes a single threshold isn't what's right for the image. How can I do better? The ideal solution will be fully automatic command-line program that I can run on Linux. (I have already written a program to remove dark pixels from the edges of images.)

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• How do I make my Boot Camp partition bootable again?

  - by Dan Herbert

  I needed to resize my Boot Camp partition so I used Gparted to move and resize it. This seemed to work, except that now I can't boot into Windows. I can boot into OS X just fine. OS X can recognize the Boot Camp partition and view its contents. When I try to reboot into Windows, however I get the message: No bootable device -- insert boot disk and press any key The only solutions I've been able to find online suggest that the only way to fix this is to either clone the drive or remove the Windows partition and re-install it. Is there any way to fix my Windows partition so that I don't have to reinstall Windows again?

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• How to get iTunes to recognize that certain ID3 tags have been removed from files?

  - by Nick Meyer

  I use MusicBrainz Picard to manage the ID3 tags on my MP3 collection and iTunes for playing them and managing my iPod. I have Picard set to remove the Composer tag from any files that don't also contain the word "Classical" in the Genre tag. I've run Picard and it has removed the Composer tag from many of my files. However, iTunes keeps displaying the old value of the Composer field. I have tried right-clicking on the file to update, choosing "Get Info" and clicking OK. This has no effect on the Composer field when it has been removed entirely; it only refreshes the displayed value when it has been changed from one non-empty value to another. How can I get iTunes to stop showing the old values for tags that have been removed? Please note I don't want to lose other iTunes metadata such as ratings and play counts, so removing the files from the iTunes library and re-adding them is not an option.

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• How to Disable secondary drive from booting upon restart - Windows

  - by DevCompany

  I had a Windows 2003 Hard Drive on my server and it went bad so I installed a new clean hard drive and installed Windows 2008 R2 on the new clean drive. I moved the old 2003 drive to be used only for general storage on the same computer. It usually boots into Windows 2008 upon a restart, but just sometimes it starts trying to boot the old 2003 drive and causes boot issues(NTDLR Bootloader, and other errors), even though the order of boot preference is set to boot 2008, and NOT 2003. I need to know how to remove any old code that keeps this old drive as a bootable drive. I still want to use it as a secondary drive just dont want to have any boot code on it. hopefully my situation is clear for everyone to get a good response. Thank you...

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• How to reassign drive back into MediaShield (nvidia) RAID stripe

  - by scottwed

  So I managed to inadvertently remove the RAID configuration from 1 drive of a 2 drive stripe. I have both drives, unmodified, and undamaged. Specifically for MediaShield RAID, is there any way to reattach the 2nd drive back into the stripe? Current state is the stripe is displayed in Error status, and I have the other drive available, but unassigned. I strongly suspect there is no solution without purging the array completely and redefining the stripe, but I figured it was worth asking before I wipe out the data.

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• Kill xserver from command line (init 3/5 does not work)

  - by John Smith

  Hi, I'm running Linux Mint 10, although I've had this same issue with other variants of Linux. I've been told/found while researching that if the X server hangs or otherwise errors, one can drop to a root prompt, usually at another tty, and execute init 3 (to drop to single user mode) and then init 5 to return to the default, graphical session. Needless to say, I've tried this before in multiple configurations on multiple machines to no avail. The only feedback I receive form executing those two commands is a listing of VMWare services (from a kernel module) that are stopped and then restarted. Note: If I run startx (either before or after init 3), then I am told that the xserver is still running and that I should remove /tmp/.X0-lock. Having tried that, it removes that error message, but claims that the xserver cannot be attached as another instance is running. How do I kill the xserver completely? Can I killall some process name?

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• How do I use the Messaging app with an account different from my primary Microsoft account?

  - by Bob

  I set up this computer with a Local account. I have linked it to my 'primary' Microsoft account - which is used in the Mail and Store apps. There are no other accounts linked at this time. I wish to use the Messaging app with a different Microsoft account. However, Add an account only lets me add a Facebook account! I don't want to remove or change my primary Microsoft account, since I do not wish to use the Messaging account with any other services.

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• how can I use vim as a wordprocess with soft wordwrap and columns only 40?

  - by Angela

  I have been trying to use vim as a wordprocessor to do most of my initial drafting and then open in abiword or open office to do my final printing. Problem has been, even with :set linebreak and :set wrap, when I open it, there's a ton of line breaks. I have to go and manually remove them. What I want is to be able to write at 40 columns wrap around softly so that when I open it up in Open Office, it gets restored to whatever that column width is, preserving things like carriage return but without all those linebreaks.

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• Multi Gateway and Backup Routing on a cisco router

  - by user64880

  Hi all, I have a 2611 Cisco Router with only one Fastethernet port Now I have two internet gateways. I want to config my router as when primary routing fails second routing automatically start to route all my packets. When I set 2 IP route command in my router then I check I see it work well but when peer IP on primary routing is down it can not change to second routing until I remove first route command.In the following I write my setting. How can I set it? interface FastEthernet0/0 ip address 81.12.21.100 255.255.255.248 secondary ip address 62.220.97.14 255.255.255.252 ip route 0.0.0.0 0.0.0.0 62.220.97.13 ip route 0.0.0.0 0.0.0.0 81.12.21.97 100 Cheer, Kamal

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• Security when, ssh Private keys are lost

  - by Shree Mandadi

  Cant explain my problem enough with words, Let me take an example.. and please multiple the complexity by a 100 for the Solution. User-A has two ssh private keys, and over time has used this public key on a number of servers He lost one of them, and has created a new pair. How does User-A, inform me (Sys Admin), that he has lost his key, and How do I manage all the servers to which he had access to (I do not have a list, of all Servers that User-A has access to). In other words, How do I recall, the public key associated with this Private key. REF: In the LDAP based Authentication, All Servers would communicate with a single Server repository for Authentication, and If I remove acess or modify the password on the Server, all Systems that use this LDAP for Authentication are secured, when User-A loses his password..

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• Installing a new SQL Server instance fails

  - by Rubio

  I've previously in my setup installed SQL Server Express 2005. Now I've switched to SQL Server Express 2008. I updated the command line parameters to those documented for the latter. If the comp already has SQL Server Express 2008 installed, my installer should create a new instance. The command line parameters are as follows: /ACTION=Install /FEATURES=SQLEngine /QS /INSTANCENAME=ABCD /SECURITYMODE=SQL /SAPWD=CunningPassword The requested instance name does not exist on the target machine. This will end in an error -2068643838. The logs show the following error: "No features were installed during the setup execution. The requested features may already be installed." If I remove the /QS parameter and try to install interactively, I'll get as far as the Feature Selection page. The UI shows three options, Instance Features, Shared Features and Redistributable Features. Whatever I select, clicking Next results in the same error (There are validation errors on this page). Any ideas anyone?

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• Windows 7 Green Load Bar Stuck and never finish loading,

  - by Levan

  Here is my issues, which i am currently having, in my windows 7, When i go to one specific folder, .Please take a look, This is not my file, but just to get an idea, there is 10 file max no more than 500 MB, i am not able to remove it, or cut it, or move it, it starts that green bar loading and never finish, The problem is, after getting into this folder, my SONY VAIO starts, overheating and if i did not restart, nothing can stop it to be cool down . I have reinstalled windows 2 weeks ago, i don't think this should be issue regarding it. Please, help me what the hell i should do with this GREEN BAR< to stop this headache,

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• Limit ftp users to only certain directories in Ubuntu

  - by George

  There are several questions around limiting ftp users to certain directories. However, most of them refer to vsftpd, which I don't think I have installed on my system. I'm running Ubuntu 9.04. How can I tell what ftp service I have installed, and then limit certain users to only the /home/ftpuser directory instead of having full access to the file system? I think I can add them to a separate group and give that group access to the proper directories, but then do I have to remove that groups permissions from all other directories? It seems like there should be an easy way like setting the chroot_local_user value in the /etc/vsftpd/vsftpd.conf file, but that doesn't exist on my system.

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• Restrict a port to a single app

  - by viraptor

  I'd like to restrict a range of udp ports to a single application (or a user). What I'd like to achieve is not simply blocking a bind() from other uids, but also remove the range from a pool that can be auto-assigned. For example, if someone tries to explicitly bind 12345, but doesn't run the specified app, they should get EPERM. If someone tries to bind an unspecified port, they should never try to bind 12345 at random. Is there any system that can help here? I tried browsing apparmor / selinux docs, but they seem to do the blocking part only.

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• Identify SATA hard drive

  - by Rob Nicholson

  Very similar question to: Physically Identify the failed hard drive But for Windows 2003 this time. Scenario: Four identical SATA hard drives plugged into motherboard (no RAID controller here) Configured as single drive in Windows as a spanned volume One of them is starting to fail with error "The driver detected a controller error on \Device\Harddisk3" How do you cross-reference Harddisk3 to the physical SATA connection on the motherboard so you know which drive to replace? I know replacing this drive will trash the spanned array requiring it to be rebuilt anyway so my rough and ready solution is: Delete the spanned partition Create individual partitions on each drive labelled E: F: G: and H: and work out which one is Harddisk3 Power down, remove each disk one at a time, power-up until the drive letter disappears But this seems a rather crude method of identifying the drive. The SATA connectors will be numbered on the motherboard but I appreciate this might not cross-match to what Windows calls them. Thanks, Rob.

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• 2nd/3rd version of wireless network appears

  - by neildeadman

  I replaced an old SpeedTouch ADSL router with a Netgear DG384 that I have and whilst doing so decided to change the wireless password. For this question assume my wireless network SSID is DeddersHome. On my netbook and macbook pro (running Win7) it won't connect to the Internet. When I hover over the tray icon for wireless it says "DeddersHome 2" and "DeddersHome 3" have no internet connection. What are these additional wireless networks? I can't see them in the wireless network list on any wireless device I have. Wired connections and wireless through my iPhone work fine. I saw this before with the SpeedTouch, but it just went away!! I also have one Apple AirPort Express connected to the wireless network which my Xbox is connected to (wired). This all worked before... I am going to remove AirPort to see if it is this causing the problem, but thought I'd ask the question to give it time for an answer whilst I continue to search. Cheers

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