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  • How to identify RAID (5 or 6) controllers that allow dynamic resize of the array

    - by David Pfeffer
    I'm building a server with a RAID5 array, based on a hardware controller. I want to be able to later add additional disks and have the array rebalance across all of the disks, enlarging the usable size. I also want to be able to later upgrade to bigger disks (one at a time, of course) and then expand the array to fill the entire drive. These features are available in Linux software raid (md). I've also heard they're available in some hardware controllers. Currently, I own the Adaptec RAID 3805 card and the 3ware 9650se card. I'd prefer to use the Adaptec if possible, but I can't find if either of these cards offer this feature. If they don't, are there other affordable (read as: sub-$600) RAID cards available that can accomplish this?

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  • How to know which revision or router I do have?

    - by Rosamunda
    I´m trying to update my D-link Dir-600 router with the dd-wrt firmware. I´ve searched for it at the site and found that: Revision A1, B1 and B2 are supported, while C isn´t. Now my router has this information on the back: P/N IIR600GNA .... C1G H/W Ver: C1 F/W Ver: 3.01 So I guess the H/W Ver is the revision, and it´s C... so it´s a lost cause? Or maybe because it´s not just C but C1 I could do something with it? Thanks!

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  • Google Chrome gets really slow on 10+ open tabs

    - by Anton
    For some time already I face a problem with Google Chrome. I really love this browser, but on Windows 7 on a pretty decent machine (i5, 4GB RAM) it gets REALLY slow when I open for instance 10 techcrunch.com pages. Once I do that it becomes virtually difficult to scroll through pages and the general responsiveness of the browser gets down. And if I open 20+ or 30+ tabs there is a good chance all of them will crash. Does anyone got an idea? This happens to me on several PCs with Windows 7 64bit. At 10 tabs there is 600-700MB memory used by Chrome. Two systems have the issue are both laptops with integrated graphics. One by Intel, the other an nVidia GeForce 310M.

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  • Apache2 unable to start: private key not found

    - by user3161330
    today I edited some vhosts in my Apache installation and when I tried to restart it I got this error: [Sun Jun 08 15:20:19 2014] [error] Init: Private key not found [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218640442 error:0D08303A:asn1 encoding routines:ASN1_TEMPLATE_NOEXP_D2I:nested asn1 error [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 67710980 error:04093004:rsa routines:OLD_RSA_PRIV_DECODE:RSA lib [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Sun Jun 08 15:20:19 2014] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error I have tried to generate new self signed certificates issuing this command: openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout server.cert.key -out server.cert.crt but the error still exists. The private key chmod is 600, and if I open it with nano looks, fine. I'm running Apache2 on a debian 7 machine.

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  • monitoring TCP/IP performance on Solaris

    - by Andy Faibishenko
    I am trying to tune a high message traffic system running on Solaris. The architecture is a large number (600) of clients which connect via TCP to a big Solaris server and then send/receive relatively small messages (.5 to 1K payload) at high rates. The goal is to minimize the latency of each message processed. I suspect that the TCP stack of the server is getting overwhelmed by all the traffic. What are some commands/metrics that I can use to confirm this, and in case this is true, what is the best way to alleviate this bottleneck?

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  • Motherboard: Intel S5520HCR s1366 SSI EEB

    - by Crazy_Bash
    I'm building a storage server for online video streaming. I thought about adding two SSD drive for a OS. other 15*(12 SATA & 3 SSD) drives i want to build with aufs XFS and ethernet 4GB/sec network. But I'm confused a little. S5520HCR board supports 6, SATA/300, RAID: 0, 1, 10, Intel ICH10R. Does it mean i can use SATAIII HDD? I'm planing on buying SEAGATE SV35 Series (3.5, 3??, 64??, SATA III-600). also my Chassis supports up-to 16 sata and the motherboard only 6 what kind of sata controller should i use? What's better in terms of performance 1366 or 2011 socket? My server so far: AIC RSC-3EG-80R-SA1S-2 3U Motherboard: Intel S5520HCR s1366 SSI EEB Kingston DDR3 8192Mb PC3-10600 1333MHz (KVR1333D3N9/8G) Seagate 3000GB 64MB 3.5" 7200rpm SATAIII (ST3000DM001) Kingston 480GB SSD 2.5" SATAIII Intel E1G44HTBLK Intel Xeon E5606 2133MHz/L3-8192Kb/QPI s1366 tray SERVER ACC CARD SAS PCIE 16P HBA 9201-16I LSI00244 SGL LSI

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  • Statsd, Graphite and graphs

    - by w00t
    I've setup Graphite and statsd and both are running well. I'm using the example-client.py from graphite/examples to measure load values and it's OK. I started doing tests with statsd and at first it seemed ok because it generated some graphs but now it doesn't look quite well. First, this is my storage-schema.conf: pattern = .* retentions = 10:2160,60:10080,600:262974 I'm using this command to send data to statsd: echo 'ssh.invalid_users:1|c'| nc -w 1 -u localhost 8126 it executes, I click Update Graph in the Graphite web interface, it generates a line, hit again Update and the line disappears. If I execute the previous command 5 times, the graph line will reach 2 and it will actually save it. Again running the same command two times, graph line reaches 2 and disappears. I can't find what I have misconfigured. The intended use is this: tail -n 0 -f /var/log/auth.log|grep --line-buffered "Invalid user" | while read line; do echo "ssh.invalid_users:1|c" | nc -w 1 -u localhost 8126; done

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  • Reccomendation for tuning 100's of SQL Databases

    - by wayne
    I'm running several SQL servers, each running a few hundred multi-gig databases for customers. They are all setup homogeneously as far as the schemas are concerned, however customer usages of the data differ quite a lot from database to database. What would be the best way to auto-index/profile/tune this large amount of databases? As there are at least 600 or more catalogs I cant have someone manually profile, and index as required by each databases usage patterns. I'm currently running SQL 2005 but will be moving to 2008, so solutions that work with either are fine.

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  • How to set default permissions for automounted FAT drives in Ubuntu 9.10?

    - by piman
    I've got many FAT32 drives that I'd like to mount in Ubuntu such that they have permission mode 700 for directories and 600 for all other files. By default, they have 755 for all files, which is not particularly useful since almost no non-directories should be executable, and it screws up version control repos hosted on the drives. "Back in the day" I would have had the drives listed in /etc/fstab with the umask/dmask I want and there was no such thing as a default. These days, drives automount under their volume names. Which is great, except now I have no idea how to set the default. I have tried changing the /system/storage/default_options/vfat/mount_options gconf key with no apparently effect. It was 077 initially but the mounted drive reflected a default of 022; changing it and re-inserting the drives resulted in the files still having permission bits of 755.

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  • Ping Flooding in router log

    - by Freeman
    I've had recently a period of repeated disconnections from my router with connection problems. I checked my router log I found several Ping Flooding entries all originating from the IP 69.171.227.232 which turned out to be one of Facebook IPs! I'm wondering what does that means? Can Facebook chat cause such a condition? My router is DLink dir 600 and the condition that devices were disconnected from router, not router from internet.. Connection is WAN And how to solve this router problem?? My wifi clients were about 3-5 at that time..

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  • Converting PDF portfolios to plain text (pdftotext?)

    - by Andrea
    I am trying to convert a large number of PDFs (~15000) to plain text using pdftotext. This is working pretty well except for a few of the PDFs (~600) which, I guess, are "PDF portfolios." When I run these PDFs through pdftotext, it just outputs: For the best experience, open this PDF portfolio in Acrobat 9 or Adobe Reader 9, or later. Get Adobe Reader Now! If I do open these PDFs in Adobe Reader, they look like two or more PDFs inside a single file. Has anyone encountered this issue before? Is there any tool I can use to convert these PDFs automatically? (Either directly to text or at least to regular PDFs that pdftotext can then understand.)

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  • gmetric data submitted doesn't follow dmax value

    - by 580farm
    I have a custom script that is querying a metric port for an application that I'm running and submitting parsed values to ganglia via gmetric. The script runs every minute, so I submit the data to ganglia using the following gmetric options: /usr/sbin/gmetric -g ec2 -s positive -t uint32 -d 600 -n "$NAME" -v $VALUE -x 60 But for some reason there are still gaps in the graphing data: Is there something in my formatting that is preventing the dmax/ttl of the last metric received from being honored? Is there anyone who does custom metric collection that has run into this problem before that can shed some insight or provide some tips as to how to best correct this?

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  • Powershell enters foreach loop with null object

    - by SteB
    I'm listing all backups in a given directory: $backups = Get-ChildItem -Path $zipFilepath | Where-Object {($_.lastwritetime -lt (Get-Date).addDays(-7)) -and (-not $_.PSIsContainer) -and ($_.Name -like "backup*")} If I set it to deliberately return no files (.addDays(-600) then the following prints "Empty" (as expected): if (!$backups) { "Empty" } If I try to list the names with an empty $backups variable: foreach ($file in $backups) { $file.FullName; } I get nothing (as expected), if I change this to: "test"+ $file.FullName; then I get a single "test" under the "Empty". How is this possible if $backups is empty?

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  • AD password not synchronising properly

    - by Kaczmar
    I have 600+ users in AD, but only one causes me trouble. The problem is I can reset his password from AD, he can then log in to his machine. After that he would like to change his password from Windows 7, and proceeds without errors. Logs out or locks the workstation but cannot access it again using either old or new password. So I have to reset it again and he can only use the one I provide for him. All our machines are in the same physical location in the same subnet. Functional level is 2003. I'm totally out of ideas. I could create him new user account, but I'd possibly like to know what causes this. I can only suspect some sort of synchronisation problems but other accounts work fine, and I don't know how to dig deeper into this. Thanks, Piotr

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  • My servers been hacked EMERGENCY

    - by Grant unwin
    I'm on my way into work at 9.30 pm on a Sunday because our server has been compromised somehow and was resulting in a DOS attack on our provider. The servers access to the Internet has been shut down which means over 5-600 of our clients sites are now down. Now this could be an FTP hack, or some weakness in code somewhere I'm not sure till j get there. Does anyone have any tips on how I can track this down quickly. Were in for a whole lot of litigation if I dont get the server back up asap. Any help appreciated.

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  • Why are my Google searches redirected?

    - by Please Help
    This machine was infected with various malware. I have scanned the system with Malwarebytes. It found and removed some 600 or so infected files. Now the machine seems to be running well with only one exception. Some Google search results are being redirected to some shady search engines. If I were to copy the url from the Google Search results and paste it in the address bar it would go to the correct site but if I click the link I will be redirected somewhere else. Here is my log file from HijackThis: http://pastebin.com/ZE3wiCrk

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  • I can't set the resolution to that recommended by my monitor

    - by F4r-20
    Firstly, I have looked here but didn't find what I needed. I have a Dell Optiplex 380 only using the on-board graphics (believe its the Intel G41 Express Chipset) but I can't seem to get the resolution right. The monitor I'm using (HP LE1901w) wants me to use 1440x900 but the only options I get are: 1600 x 1200 1366 x 768 1360 x 768 1280 x 1024 1280 x 960 1152 x 864 1024 x 768 800 x 600 So it will allow me to go higher or lower but not 1440x900. I've tried getting the driver from various different sources (Dell, Intel, Windows 7 Update) but still can't get that option. Does anybody know what else I can try?

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  • Node.js installation on Debian 6

    - by pvorb
    I used to use this method for node.js installation on Debian, since it was easy and everything worked fine. Even with multiple users. Since version 0.6.18~dfsg1-1 of the sid package, installation removes openssh-server. But I need OpenSSH to connect to my server. Is there any possibility to install Node.js via APT or do I have to compile it manually? This is my APT preferences file: Package: * Pin: release a=stable Pin-Priority: 800 Package: * Pin: release a=testing Pin-Priority: 650 Package: * Pin: release a=unstable Pin-Priority: 600

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  • Is there a software in windows that enables you to boot from a specific partition?

    - by Tono Nam
    I use acronis true image to mount images to my primary partition and it works great. lets say I have 3 partitions on my hard disk and all of them each is 600 GB. In the 3rd partition I keep files (documents, pictures etc), on the first partition is my primary partition where the operating system runs (windows 7). And in the 2nd partition is empty. I have an image of my primary partition and I save that image in my 3rd partition (50 GB is the size of the image so it fits in the partition number 3) and in an external hard drive. I know it is possible to install a new operating system in partition 2 such as windows xp but the only problem is that once I install that how could I tell the computer to boot from partition 1? is there a way to switch back and forth just like it's possible in the mac?

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  • I need a wirless interenet card thingy for my stationary computer

    - by user60859
    Going to move my stationary computer and hook it up to the TV. Which is far away from the wireless router. So i'm going to need a way to go on the Internet wirelessly from my stationary computer. I was looking at some of those.. wireless pci adapter things. But i have no idea which one would be compatible with my computer. How can i tell? oh i have a pentium 4, Windows XP like 600 megs of ram in case any of that matters.

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  • How to know which revision or router I do have? [migrated]

    - by Rosamunda
    I´m trying to update my D-link Dir-600 router with the dd-wrt firmware. I´ve searched for it at the site and found that: Revision A1, B1 and B2 are supported, while C isn´t. Now my router has this information on the back: P/N IIR600GNA .... C1G H/W Ver: C1 F/W Ver: 3.01 So I guess the H/W Ver is the revision, and it´s C... so it´s a lost cause? Or maybe because it´s not just C but C1 I could do something with it? Thanks!

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  • Fill rows down quickly (column or matrix of zeros)

    - by Mark Miller
    I have an extremely basic question, but I have never found the answer by searching the internet. I simply want to create a large column of zeros with Excel. Sometimes I want to create a huge matrix of zeros (maybe 600 rows by 500 columns) and then replace a few zeros with 1's to create a model design matrix. I have always started by creating a column of, for example, 10 zeros, copying and pasting those zeroes, then copying and pasting the resulting column of 20 zeros, etc., until I had the desired number of rows. Then I would copy and paste that column of zeros one at a time over and over until I had the desired number of columns. This procedure is tedious and time-consuming and I know there must be an easier way. Do you know of any other methods?

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  • Access logs show someone "GET"ing a random ip, why does this return 200?

    - by Wilduck
    I have a small linux box set up with Apache as a way to teach myself Apache. I've set up port forwarding on my router so it's accessible from the outside world, and I've gotten a few strange requests for pages that don't exist from an ip address in China. Looking at my access_log shows that most of these return 404 errors, which I'm guessing is a good thing. However, there is one request that looks like this: 58.218.204.110 - - [25/Dec/2010:19:05:25 -600] "GET http://173.201.161.57/ HTTP/1.1" 200 3895 I'm curious what this request means... That ip address is unconnected to my server as far as I know, and visiting it simply tells me information about my uid. So, my questions are: How is it that this request is showing up in my access_log, why is it returning 200, and is this a bad thing (do I need to set up more security)?

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  • I'm looking for this graph solution

    - by Ben Fransen
    Hello all, Recently I found a pretty graph when I was browsing the adminskins at ThemeForest and in one of the templates I found a really nice, smooth, clean graph. But I've searching arround but so far without luck finding out which solution is used. And example can be found at: http://enstyled.com/adminus/original/page.html The source of this graph looks like: <table class="stats bar" cellpadding="0" cellspacing="0" width="100%"> <thead> <tr> <td>&nbsp;</td> <th scope="col">02.09</th> <th scope="col">03.09</th> <th scope="col">04.09</th> <th scope="col">05.09</th> <th scope="col">06.09</th> <th scope="col">07.09</th> <th scope="col">08.09</th> <th scope="col">09.09</th> <th scope="col">10.09</th> <th scope="col">11.09</th> <th scope="col">12.09</th> <th scope="col">01.10</th> <th scope="col">02.10</th> <th scope="col">03.10</th> </tr> </thead> <tbody> <tr> <th scope="row">Page views</th> <td>1800</td> <td>900</td> <td>700</td> <td>1200</td> <td>600</td> <td>2800</td> <td>3200</td> <td>500</td> <td>2200</td> <td>1000</td> <td>1200</td> <td>700</td> <td>650</td> <td>800</td> </tr> <tr> <th scope="row">Unique visitors</th> <td>1600</td> <td>650</td> <td>550</td> <td>900</td> <td>500</td> <td>2300</td> <td>2700</td> <td>350</td> <td>1700</td> <td>600</td> <td>1000</td> <td>500</td> <td>400</td> <td>700</td> </tr> </tbody> </table> Can someone please tell me which graphingsolution is used here? Thanks in advance, Ben Fransen

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  • [Flex 4 and .Net] Retrieving tables from SQL database

    - by mG
    Hi everyone, As the title says, I want to retrieve tables of data from a SQL database, using Flex 4 and .Net WebService. I'm new to both Flex and DotNet. Please tell me a proper way to do it. This is what I've done so far: Retrieving an array of string: (this works) .Net: [WebMethod] public String[] getTestArray() { String[] arStr = { "AAA", "BBB", "CCC", "DDD" }; return arStr; } Flex 4: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> <fx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.controls.Alert; import mx.rpc.events.ResultEvent; [Bindable] private var ac:ArrayCollection = new ArrayCollection(); protected function btn_clickHandler(event:MouseEvent):void { ws.getTestArray(); } protected function ws_resultHandler(event:ResultEvent):void { ac = event.result as ArrayCollection; Alert.show(ac.toString()); } ]]> </fx:Script> <fx:Declarations> <s:WebService id="ws" wsdl="http://localhost:50582/Service1.asmx?WSDL" result="ws_resultHandler(event)"/> </fx:Declarations> <s:Button x="10" y="30" label="Button" id="btn" click="btn_clickHandler(event)"/> </s:Application> Retrieving a DataTable: (this does not work) DotNet: [WebMethod] public DataTable getUsers() { DataTable dt = new DataTable("Users"); SqlConnection conn = new SqlConnection("server = 192.168.1.50; database = MyDatabase; user id = sa; password = 1234; integrated security = false"); SqlDataAdapter da = new SqlDataAdapter("select vFName, vLName, vEmail from Users", conn); da.Fill(dt); return dt; } Flex 4: <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> <fx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.controls.Alert; import mx.rpc.events.ResultEvent; [Bindable] private var ac:ArrayCollection = new ArrayCollection(); protected function btn_clickHandler(event:MouseEvent):void { ws.getUsers(); } protected function ws_resultHandler(event:ResultEvent):void { ac = event.result as ArrayCollection; Alert.show(ac.toString()); } ]]> </fx:Script> <fx:Declarations> <s:WebService id="ws" wsdl="http://localhost:50582/Service1.asmx?WSDL" result="ws_resultHandler(event)"/> </fx:Declarations> <s:Button x="10" y="30" label="Button" id="btn" click="btn_clickHandler(event)"/> </s:Application>

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