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• Apache with mod_perl eating memory when idle

  - by syneticon-dj

  An Apache webserver running a mod_perl application is exposing abnormal memory usage - after the "day load" ceases, the system's memory is being exhausted by the Apache processes and oom_killer is being invoked. As the load returns the following morning, the memory usage normalizes - probably because Apache workers get recycled periodically if a sufficient number of hits is generated: This is the graph for apache hits per second to correlate: The remaining 2 hits per second throughout the night are induced by HAProxy checks - it runs HEAD http://mydomain.example.com/running HTTP/1.0 requests against the server every half a second with "running" being a static file (i.e. not invoking any perl code). It also seems that disabling these checks remedies the memory usage problem, but obviously cannot be a solution. All of 3 similarly configured servers (behind HAProxy) expose this behavior. The running OS is Ubuntu 10.10, Apache version 2.2.16. This seems to be a memory leak but I have no idea how to start debugging it - any hints?

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• Setup non-MS email (gmail) in Windows 8 Mail app

  - by CoolUserName

  All documentation I have found online seems to apply to an older or different version of Windows 8. I am using the 90 evaluation copy of Windows 8 Enterprise (http://msdn.microsoft.com/en-us/evalcenter/jj554510.aspx). Is it disabled because it is enterprise edition? Basically, I can start the mail app, bring up the settings (windows+i), but all I am given for options are Permissions and Rate and Review. In other documentation I've seen this is where you add an account. Is this possible? If this is a restriction to Windows 8 Enterprise, is there a trial version of normal Home editions somewhere?

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• Should I create a second WAN Interface for a new SSLVPN setup on my Sonicwall 2400?

  - by TheSuperman

  Sonic Wall 2400 I'm setting up a new SSLVPN on our Sonicwall, very new to this. I currently have an exchange server as well, so mail.company.com is directed to our mail server. I'd like to setup a clean link for my low end users, remote.company.com to be for the SSLVPN, but I'm not sure how to do this within the Sonicwall? I setup SSLVPN on port 443. Only 1 WAN setup, on the X1 Interface. We have an A record setup with the same static IP used on the WAN Interface, and is configured for mail.company.com. Should I use a new static IP from our block of usable IP's to create the new Remote.Company.com? If so, I have no idea where to start on this on the Sonicwall? Any suggestions?

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• How does Google searches for content? [closed]

  - by Akito

  I am trying to understand how does Google search for content within a page. When we search a page, it displays relevant results with keywords in the title or other important places. The thing that astonishes me is that how do they grab the starting area of the text? They show a small text with the search results. How do they manage to have it as there is nothing special in a webpage that makes a Google bot understand from where does the actual content start. Please help me out. Thanks

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• Multiple desktops in Windows

  - by John Straka

  I'm running a program that uses WatiN to automate file uploads to different websites. I currently run it on a machine that I remote into via the standard Remote Desktop Connection in Windows - once I start an upload, I go ahead and continue using my local machine. Soon, I'll be needing to run it locally. The problem is that it requires focus (which is unavoidable due to WatiN utilizing SendKeys) and I of course don't want to render my machine useless while it runs. So, my question: Is there any way to emulate the multiple desktops/workspaces that have been in many Linux distros for some time? I tried VirtuaWin to no avail. Alternatively, is there a way to remote into a machine from itself? Or is there some other means of creating a separate session on the same machine that does not steal focus? Running Linux is not an option, and a VM would be overkill.

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• Excel macro to delete empty rows isn't stopping

  - by RocketGoal

  How do I make it stop after a certain amount of rows? I've taken a VBA course and my teacher explained how to delete empty rows. I'm now trying to put this in place but my macro isn't stopping. I thought I had limited it to 200 rows. I'm missing something important. Any pointers much appreciated. Sub RemoveRows() ' Remove rows from last blank cell Dim LastRow As Long Dim ISEmpty As Long 'Count how many records in the list. This is done so that the Do loop has a finish point. LastRow = Range("A200").End(xlUp).Row 'Start at the top of the list Range("A1").Select 'Loop until the end of the list Do While ActiveCell.Row < LastRow 'Assign number of non empty cells in the row ISEmpty = Application.CountA(ActiveCell.EntireRow) 'If ISEmpty = 0 then delete the row, if not move down a cell into the next row If ISEmpty = 0 Then ActiveCell.EntireRow.Delete Else ActiveCell.Offset(1, 0).Select End If Loop End Sub

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• direct url to server ip address and port

  - by AM0

  We have a Windows 2012 dedicated server. There’s a custom service running on port xxxxx which accepts connections from our custom built hardware devices over TCP/IP port. As of now we use servername.serverdomain.com:xxxxx to connect to the service and start communication. However, we prefer to use URL instead of server’s name or IP Address. So we got a custom url and set its name servers to point to dedicated server. However, just setting DNS doesn’t seem to be working. Could someone please guide as to how to get it working? UPDATE In short I want www.custom-url.com being forwarded to servername.serverdomain.com:xxxxx. These requests are coming from hardware and not browser.

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• Run BGInfo At Startup For All Users

  - by slickboy

  I have a Windows 7 image which I intend to deploy across a business. For simplicity I intend to install BGInfo on each machine and have it update each time a user logs in. From what I can see, when BGInfo creates a configuration file, the file contains variables which are local to each account - and therefore the configuration file will only work on the user account that created it. Has anyone any idea as to how make these configuration files 'generic' so that BGInfo will work for all accounts when they log in? At present I have the BGInfor application and a BGInfo configuration file saved on the C drive and I have written a batch file which is stored in the 'All Users/Start Menu/Startup' directory (which executes every time any user on the computer logs in), however this only works for the account which created the configuration file. Thanks for any help.

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• Determining percentage of students between certain grades

  - by dunc

  I have an Excel spreadsheet with the following data: #-----------------------------------------------------------------------------------------------------------------------------------# # Student # KS2 Grade # Target # Expected 1 # Expected 2 # Expected 3 # FSM Status # Gifted & Talented # #-----------------------------------------------------------------------------------------------------------------------------------# # User 1 # 4 # 6 # 7 # 5 # 6 # Y # N # # User 2 # 3 # 5 # 5 # 4 # 4 # N # N # # User 3 # 5 # 6 # 6 # 6 # 7 # N # N # # User 4 # 4 # 6 # 5 # 6 # 6 # N # Y # # User 5 # 5 # 7 # 7 # 6 # 7 # N # N # # User 6 # 3 # 4 # 4 # 4 # 4 # N # N # # User 7 # 3 # 4 # 5 # 3 # 4 # Y # Y # #-----------------------------------------------------------------------------------------------------------------------------------# What I'd like to do is determine the percentage of students with certain levels, i.e. a range of levels. For instance, in the data above, I'd like to determine the % of all students that have a Target level of 5 - 7. I'd then like to also expand the formula to specify % of Gifted & Talented students with a Target level of 5 - 7. Is this possible in Excel? If so, where do I start?

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• Question about getting information off an old HD...

  - by user37983

  Ok so my old cpu was a sony vaio. its kinda old and had xp on it. My gf thrashed it - the cd drive went and she tried fixing it by messing with the configurations bios etc. the actual laptop is really fried the keyboard doesnt work, etc. However the harddrive is still intact. I tried putting the HD in my new cpu (toshiba runnig win7) and it looks like its gonna boot up it goes to the screen with the logo and the status bar starts to load. then it flashes a blue screen for a split second, and goes to the black screen where it says windows did not shut down properly and gives options to (start windows normally, safe mode, safe mode with networking, safe mode with prompts) ive tried every option but it always goes back to this screen. I need to get into the hd cuz i have very important files. is there anyway?

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• Why can't I install MySQL on my computer? [closed]

  - by Bea

  I have read a lot of tutorials, but I am still having problems. What I tried: I downloaded mysql-5.5.9-winx64. All that I read says that I can run Setup.exe, but there is no such file in the download. The other option I know there is, is including \mysql-5.5.9-winx64\bin in the PATH variable and then trying to execute the mysql command. When I do that, the error I get is: ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061) I then downloaded mysql-5.5.9-winx64.msi, which is easier to install, but once I followed the instructions and it was installed, I got the same error executing the mysql command. How can I use MySQL? EDIT: I've now removed everything I installed, and I want to start from scratch.

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• Data storage solutions for rapidly running out of space

  - by Grimlockz

  I have 2 web servers (1 live and other backup), the issue I have is our storage is rapidly running out. All the data on the server is used by our customers and new documents are uploaded to the server daily. So nothing can be deleted as it's always in use. We use a flat file structure with no database. I'm seeking solutions or ideas for the best place to move the our data to. The data has to be secure and needs to run on a linux environment. Not sure where to start - clusters, vmware, or they such solutions for huge file servers?

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• Is there a way to alter Zend Studio PhpDoc preferences?

  - by Tower

  Hi, I'm trying out Zend Studio trial and I have a few things on my mind related to PhpDoc. If I have the following code: public function sum($a, $b) { echo $a + $b; } and then I start typing /** in the front of the function and press Enter, Zend Studio automatically makes the following text: /** * [cursor] * @param unknown_type $a * @param unknown_type $b */ However, I want to customize this so that it also includes @return void automatically since there's no return inside the function. Is there a way to do this? And what about things like @access? It's obviously "public". Another thing I want is that when I create a new file and I use the code templates with ${user}, it will use my Windows account, but I want it to use something else - is there a way to specify this "user"?

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• Why OS X use swap when there is lots of "inactive memory"?

  - by Balchev

  I am using OS X from few months (Lion and now Mountain Lion). I have 8 GB on my mini and almost daily now it get close to that. On Windows 7 machine with 8 GB I never had that kind of problem. Anyway, I read over the net, that the inactive memory is app cache of the programs that are recently closed and can be used for faster reopening.And this inactive memory can be released to a new app if needed. It is not released. Instead OS X starts swapping. So my question is why OS X use swap when there is lots of "inactive memory"? Here a screen that shows what I mean: I really hope there is a away to make OS X to use those 2.69 GB before start swapping.I really do.

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• Resize2fs at 81h and counting

  - by Adam

  Setup: 12x 1TB drives in a RAID6 (MDADM) crypt-setup running ontop of MDADM LVM running on the crypted drives EXT4 on the LVM Background: I added a new drive to the RAID (increasing from 11 to 12 drives), and 'bubbled' up through the layers (MDADM, etc...) to reizing the ext4 partition. This machine is used as a centralized repository for photography and as a backup server (for both Windows and Mac machines) so bringing it down to add the drive and wait for the resizing and everything wasn't really an option. So I started the resize operation several days ago. HTOP is reporting the resize2fs operation as running for 81h now. DMESG and syslog are both clear, and the drives are still accessable. The resize command reports it's started an online resize of the partition, so the process IS running, and it is burning through 100% of one of my cores. Question: Is it normal for the operation to take this long or has something gone horribly wrong? Where would I start looking for signs of trouble?

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• RAID1: Which disk will be mirrored?

  - by tmelen

  How does a RAID1 system determine which disk to use as the source and which disk to use as the destination when mirroring? Assume for instance the following scenario: A RAID1 array is created with two disks A and B. A is replaced by disk C, which is added to the array. Files are beeing modified as time goes by. Now B is removed and A is reinserted. Will the RAID1 system realize that A and C are out of sync? And that C is more up-to-date than A? And if not, is there a safe way to avoid the mirroring process to start immediately when disk A is inserted?

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• Does uwsgi workers share a common memory ? [ With Nginx ]

  - by Yugal Jindle

  I have configured my Nginx with Django uwsgi. When the django server starts, it reads a 5MB file from the hard-disk. Now, Without Nginx with Django default server python manage.py runserver = Runs immediately and starts serving pages. Problem: With Nginx as the server It takes very long time and several HTTP 504 before it start serving pages. So, How does uwsgi workers work with Nginx ? I have: 4 Workers 512 Threads each So, is the 5MB file getting read 512 * 4 times ? Is there a possible work around for this in Nginx / Uwsgi ?

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• Windows always logs in to temporary profile (thinks it is in D while it is in C)

  - by asdf

  I have Windows on C: Disk 0 Partition 1 When I start it works fine until the login screen. When I log in, it starts to display "preparing your desktop.." and logs in to a temporary profile. I have to run explorer.exe manually then using task manager. If I execute %SystemRoot% it tells me that Windows could not find D:\Windows. (while Windows is in C:) I have no such drive as D then why Windows is thinking it is in D? I've tried this Bootmanager is missing but it did not work. Bootrec /ScanOS from Windows setup gives me Total identified Windows installations: 0 Also note that Windows Setup correctly thinks windows is installed on C but Windows itself thinks it is on D.

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• Word 2010 doc skips pages

  - by Sarah

  A Word document with 9 pages, 3 section brakes next page (no odd and even breaks used) and inserted page numbers shows the correct sequence of pages when moving thru the document. When I change the page numbers in section 2 to start from 1 (Section 1 is only one page numbered with a roman numeral.) Then two strange things happen: The sequence in the status bar goes from 1 to 3. Page 2 disappeared (no text is missing) and my total number of pages reads 10 when i actually only have 9. The first page has a table of contents. Page 2 is listed, but when I press ctrl + click the shortcut it goes to page 4?

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• Where are iSCSI and volume information location on ESX 4.0?

  - by sec_goat

  Let me start by saying I am somewhat of a Vmware novice, I know just enought to manage and create servers at a basic level from the vSphere client. I have a VMWare server, ESX 4.0 connected over iSCSI to a SAN. The SAN is being used as storage for both RDMs and VMFS volumes. The SAN has died and I ordered a new one. Where can I see the settings related to the iSCSI and volume configuration so that I can try and replicate them on the new SAN when it arrives?

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• Word 2010, how to update protected document

  - by Seth

  The document has one "Section Break" with e.g. "Text Form Fields" above. To make this Form Field work properly I use "Restrict Editing", allow "Filling in Forms", "Select Sections" and then protect Section 1. Then "Start Enforcing Protection". Now when the document is protected above the Section Break you can't use CTRL-Aand F9 to make an update of the fields, etc. of the document below the Section Break. Is there any solution for this problem?

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• Filemaker show total from related table

  - by Mr_Chimp

  I have a bit of experience with Access and SQL but I'm new to Filemaker. I have a layout which shows a list of projects. One of the fields I want it to show is "total amount of paid invoices up to the end of the last financial year". The invoices are stored on another table so I will need to pick from this table all records where "project id" = "project id" (this is set up as a relationship between the tables) and also "invoice is paid" = yes AND "date invoice paid" < start of last financial year. My question is how do I go about getting and showing that data? I can get a total easily enough, it's filtering out these specific rows that I'm having trouble with. I'm guessing there's an easy solution...

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• dell E6500 laptop will not hibernate/standby

  - by Mark Schultheiss

  I am using a Dell E6500 laptop with windows XP on it, it was originally tagged/installed with Windows Vista. My issue is, when I close the lid, it will not either Hibernate or Standby. If I close the lid with either of these options, I then have to startup from scratch, and anything I had open is not open. I just want to close the lid, have it keep what I have running, not use power util I open the lid again and start it up (with the stuff still open I had open of course). Suggestions?

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• Windows 7 CD Command only echoes directory

  - by Zobbl

  The path for every new instance of the shell starts in my user directory (C:\Users\user). Within this directory or rather drive (in this case C:) I can't use the cd command as I'm used to - it only echoes the specified directory. As soon as I change the directory to a parent-directory I can execute "cd D:" and it changes to the drive. But this behavious doesn't appear consistently in all instances of the shell. Sometimes I have to go to C: to change it. I'm quite sure I'm not using the command in the wrong way, since it's what I'm used to do to start grails.

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• BSOD / Reboot Cycling (possibly after windows update?)

  - by Mikey.B

  Windows XP SP3 Hi Guys, My desktop PC rebooted during the night (presumably due to an automated Windows update) and was stuck on a file system check. I forced a reboot as it had been stuck for hours and now the system won't finish booting. It shows the Windows XP splash screen, briefly flickers what looks to be a BSOD, and then reboots. So far, I've tried: Booting into all variations of safe mode (just hangs) Setting BIOS settings to fail-safe defaults (still reboots) Choosing the start-up option to load last known good configuration (still reboots) Any suggestions on how to proceed here? I haven't installed any recent software or hardware so I don't think this is a result of any explicit change I've made. -M

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