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• shared web hosting architecture in a university setting

  - by gaspol

  We're in the process of creating a shared webhosting infrastructure for our university. Departments within the university can host their sites on this infrastructure. We're thinking of setting up multiple, load balanced web servers attached to shared storage (for web content and Apache config files). There will also be database servers behind these web servers. Does anyone have any other suggestions about this? Any recommendations for an alternative setup? Would having cPanel/WHM/Plesk be a good idea to automate account creation/maintenance?

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• Xen private networking between multiple hosts

  - by Joe

  I have two physical hosts running Xen 3.2, sharing storage via iSCSI. On these two hosts are a number of domUs and I'd like to network them in multiple private networks so they can only contact other domUs on their private network. My understanding of the xen documentation suggests it's possible to do this within one dom0 (ie create virtual networks between domUs), but I've found nothing explaining how this can be implemented across multiple dom0s on different hosts. The only thing that jumps to mind is manually creating iptable rules to route data to the other host, but this seems to lack elegance and could quickly grow cumbersome. Any suggestions? All advice is much appreciated!

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• install SSH2 (server?) on FreeBSD

  - by Robert Cabri

  At work we have freeBSD testmachine. And we have a PHP script that uses SSH2 protocol to connect with the freeBSD server. With this script I'm not able to connect to the freeBSD server. I wanted to install it, but I'm not sure where to find the right source to compile. The connection can be made with a different machine, but isntalling a new distro isn't the solution right now. I can connect to the server over ssh, but not with the ssh2 protocol in PHP (http://nl.php.net/ssh2).

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• installing linux on a mac

  - by Ahmet vardar

  Hi, i have mac pro and i wanted to install debian on it but i guess i have problem now. i have windows 7 installed on bootcamp partition, before i started installing linux, i created a partition size of 75 gb then i restarted mac and boot it from debian dvd. then i divided that 75 gb to 2 partitions, one is 600 mb freespace other is ext3 formatted. i installed debian (but it just used 1 dvd even though i got 5 dvd downloaded) then mac restarted. but now i cannot even see windows on bootlist. it just let me boot in mac os x now. how can i fix this? thanks

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• HTTP/1.1 503 Service Unavailable Exchange 2003 OWA

  - by toups

  Receiving HTTP/1.1 503 Service Unavailable when trying to access exchange web access. Server 2003 & Exchange 2003 Have tried: Deleting virtual directories and rebuilding them in IIS Restarting Dismounting & mounting the public folder store & mailbox store It's not AppPoolQueueLength Restarting all services (all proper ones are running) Making it use ssl or not (regular http) -- same thing for both Installing IIS & exchange 2003 on a new 2003 box as a new FE server, OWA on that gets same error. Not sure why it's getting a 503... was working without an issue and randomly is stuck at this no matter what; ll users can still successfully connect and use via outlook, only the web access is having issues. Any suggestions would be appreciated.

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• Restoring from .wim image without access to Windows DVD

  - by Steven H

  I'm attempting to fix a friend's computer. It will not boot to anything Windows-related (see my earlier question for more information). I was able to boot into Peppermint OS to back up her files and grab the HP OEM image (.wim) so that I can restore from it (OEM W7 key, so I can't just do a W7 reinstall). However, I cannot figure out what the heck I need to do to be able to actually restore her computer to that image. I tried using these instructions on TechNet to create a WinPE flash drive, but those instructions don't actually make the flash drive bootable, so that option didn't work (the partition is labeled as active, but when trying to boot from it I get the message "Remove disks or other media. Press any key to restart."). All of the other instructions that I found require that I get into WinRE or boot from an install disk, which I cannot do. Any suggestions as to how I can apply this .wim boot image?

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• Google Search w/ Chrome Incognito w/ Gnome Do

  - by jrc03c

  I've installed Google Chrome as my default browser in Ubuntu, and recently installed Gnome Do and enabled the Google Search plugin. The Google Search from Gnome Do works exactly as expected but for one thing: Chrome (which is typically set to open in "incognito" mode) does not open in "incognito" mode. The shortcuts on my desktop, taskbar, and menus all have the --incognito flag attached (which works just fine), but the browser refuses to open in this mode when launched from Gnome Do. Any suggestions? Also, please note the settings for the Google Search plugin in Gnome Do: It's obvious that Gnome Do just passes the Google Search blindly to the default browser. In other words, there are no configurable settings specifically for Chrome. Any thoughts?

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• How do I keep Conditional Formatting formulas and ranges from automatically changing?

  - by Iszi

  I've found that Conditional Formatting formulas and ranges will automatically adjust when you copy, delete, or move data around in a spreadsheet. While this is a nice idea, it tends to break things for me in some rather weird ways. To avoid this, I tried writing rules that applied to the entire spreadsheet and keyed off of column headers to highlight the data I wanted to check. Example: =AND(A$1="Check This Column For Blanks),ISBLANK(A1)) applied to =$1:$1048576 However, even with the rule explicitly applied to the entire sheet, it was still automatically adjusting (and breaking in weird ways by doing so) as I worked in the sheet. How can I avoid this?

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• CNAME point subdomain to another domain

  - by mac

  I know this has been asked before in various forms, but I've tried all the suggestions and had no luck (or maybe skills). I am trying to point a subdomain (mail.cloversalon.com) to Rackspace's hosted Webmail service for a client. My understanding is I should be able to set up cname for the subdomain and point it to rackspace's hostname: apps.rackspace.com I have set up the following cnames: www.mail IN CNAME apps.rackspace.com autodiscover IN CNAME autodiscover.emailsrvr.com mail IN CNAME apps.rackspace.com I have tried doing dig mail.cloversalon.com and nslookup but both report that mail.cloversalon.com is a nonexistent domain. I have restarted the name server numerous times. I'm sure I must be missing something silly. Thanks for any help! Cheers

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• Lightest Linux Desktop supporting Firefox/graphic browser

  - by Susan Mayer

  I am on Windows and I have a remote server with Ubuntu 10.10. I want to use Firefox or other graphic browser on that remote server. The problem is, the server's memory is only 512MB, so I can install larger desktop environment. I used to use XFCE and NoMachine NX, but they consume too much memory on that Ubuntu server. The only thing I want to use is a graphic browser (for example firefox) on that server. Nothing else. Do you have any good suggestions? Thanks a lot!

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• windvd aacs keys update dosn't work

  - by Jeremy French

  A relative has a viao htpc, which has blue ray. The player I believe is a viao branded version of windvd with blue ray support. Every time it loads it asks if it should update the aacs keys as they are out of date. If you select yes nothing happens. The package just sits there forever saying that you shouldn't turn it off. I have tried to go to the products website (which is now corel) registering and downloading the keys, but the key download page does nothing. Has anyone had a similar problem, or are there any suggestions to get around it?

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• Rsync like windows backup tool

  - by Halfgaar

  Hi, I need to backup some windows machines and have been unable to find the proper tool. What I need is a tool that does efficient copying of changed files to a windows network location, like Rsync does. In turn, the server will then back that up using rdiff-backup, a tool which does very clever incremental backups. Right now I'm using windows' 7 included backup feature, but I really don't get that. It's too much off-topic, but it doesn't suffice (seems buggy as well). I looked into Amanda, but as soon as it wanted to install MySQL, I aborted. I also tried Deltacopy, but unfortunately, I don't remember what the problem with that was... Any advice for an rsync like tool that just does daily syncs to a network location?

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• Create an alias in Windows XP

  - by Lord Torgamus

  Back in school, I used to have a .login file along the lines of alias ll = ls -l alias dir = ls -Fhl alias web = cd ~/public/public_www/development ... I'd like to do that sort of thing with my XP box here at work, but most of the resources I've found online seem fairly complicated and heavy-duty. Is there a way to do this that doesn't involve mucking about in the registry or running a large batch file? EDIT: My original reason for asking this was that I only need the command line for one command in one specific folder, and I wanted to be able to get to that folder quickly when I launched the command line. But the accepted answer for this question is so good that I decided to ask about my original issue as a separate question here.

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• Installing Sharepoint 2007 on Windows Server 2008 R2

  - by ronischuetz

  we are using in our lab a clean installation of Windows Server 2008 R2 which is running as Hyper-V instance. Today we wanted to install a clean installation of Sharepoint 2007 with SP1 on this machine and we explorer an error that we are not able to install it. The setup is comes up with an error which is described here: http://support.microsoft.com/kb/962935 but this is not our szenario. A printscreen of this message can be found here: http://www.ronischuetz.com/images/SP_2007SP1_Inst_Error.png @Microsoft, my personal point of view is that it cannot be that we need to install first 2008, then Sharepoint 2007 with SP1, then SP2 and upgrade to 2008 R2. Nobody is going be happy with this solution and I hope we find a fast way how customers can install Sharepoint direclty on 2008 R2. Anyway, thanks in advance for any further information how we should go on with this issue. The issue is listed here: http://social.msdn.microsoft.com/Forums/en-US/sharepointadmin/thread/91a6be50-9009-43c8-a37c-66cfb83d738f

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• Simple one-way synchronisation of user password list between servers

  - by Renaud Bompuis

  Using a RedHat-derivative distro (CentOS), I'd like to keep the list of regular users (UID over 500), and group (and shadow files) pushed to a backup server. The sync is only one-way, from the main server to the backup server. I don't really want to have to deal with LDAP or NIS. All I need is a simple script that can be run nightly to keep the backup server updated. The main server can SSH into the backup system. Any suggestion? Edit: Thanks for the suggestions so far but I think I didn't make myself clear enough. I'm only looking at synchronising normal users whose UID is on or above 500. System/service users (with UID below 500) may be different on both system. So you can't just sync the whole files I'm afraid.

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• Linux WD30EZRX WD Green HDD & Blacx Duet 5G Usb

  - by Adam

  I have connected up an WD30EZRX WD Green HDD to a Thermaltake Blacx Duet 5G USB dock in Ubuntu 12.04. Every thing seems fine except when the HDD idles it seems to have error ls: reading directory .: Input/output error after a while and is only fixed by unmounting and remounting the drive as root. I have the following line in /etc/fstab UUID=AAF670E9F670B6E3 /media/3TB ntfs defaults,user,auto 0 0 I have noticed that it seems to go between /dev/sdc2 and /dev/sdd2 devices on remount. I did copy 1TB last night without issue in 1 sitting. But after x mins of idle it has remount issue. Any tips/suggestions on how to proceed would be appreciated. Spent most of the night googling and all its done is made me sad. Edit (tried as suggested): root@mediaserver:/media/3TB# sudo hdparm -B 255 -S 253 /dev/sdd2 /dev/sdd2: setting Advanced Power Management level to disabled HDIO_DRIVE_CMD failed: Input/output error setting standby to 253 (vendor-specific) APM_level = not supported Seems as if that didn't help with this particular drive.

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• have a bash script remotely shutdown another computer on the lan

  - by gletscher

  Hi I want to write a bash script that when called shuts down another computer on the lan. Maybe using ssh? The other computer is an ubuntu machine. Now I'm not sure how to send e.g. a sudo shutdown -h now command from withing a bash script to the ssh after logging in. Also I'm not sure how to obtain the rights for the sudo command, hence how to handle the communication between the server and client from within a bash script. Any suggestions are greatly appreciated.

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• How can I increase the size of a Windows 2003 NTFS partition?

  - by waszkiewicz

  Hi everybody! I have a very important server running Windows Server 2003 and my System partition is becoming too small, it's slowing down the machine. I have already tried all the cleaning stuff and transferring some "unimportant softs" on the "Saves" partition but it didn't help much at all. Is there a way to re-partition my hard-drive that will work on a 2003 Server, that's not too expensive and that could be used without turning the machine off. If there is no other way, then I'll have to reinstall the OS, but it will have to wait for the weekend. Thanks for your suggestions.

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• Radeon HD 5770 - DisplayPort Problem

  - by Nick Schmit

  I am trying to set up 3 monitors with the Radeon HD 5770 I recieved a few days ago. I have read that I can use 2 DVI ports and an active DisplayPort adapter for a third DVI monitor. I have purchased this adapter: http://www.accellcables.com/products/DisplayPort/DP/dp_dvid.htm I have the two normal DVI monitors working, but when I try to extend the display to the third, I get a message saying the system has detected a problem with the connection through the display port which may limit resolution/refresh rate. I know that all the cables are fine, I have replaced the adapter, the monitors all work, I have tried different monitors through the adapter, and even nothing but the adapter, but I cannot get any monitor to work using it. I am trying to use 2 Dell monitors and an Acer. Have I overlooked something? Is there a compatibiliy issue I missed? Any suggestions as to what I could try? Thanks in advance.

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• Minimum space required for Server 2008 R1 install?

  - by Chris J

  I'm trying to plan disk space for a virtual environment, and wanting to keep virtual disks as small as possible - mostly as apart from the base OS, the software going onto the VM is less than a few MB, so want to avoid physical disk space going to waste; plus it'll give me an idea of how many VMs I could physically fit in {x}GB of physical drive. For Server 2003, I've had installs on 2GB and 5GB sized virtual disks. However for Server 2008, Microsoft recommends a minimum of 10GB (I assume this is both for x32 and x64). For the record, I will be installing the x32 version. Now I know I could just go ahead and try a small install, but wanted to solicit any practical knowledge as well :-) What's the smallest install of Server 2008 possible? (excluding server core installations).

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• Exploratory Question for Security Admins (/etc/passwd + PHP)

  - by JPerkSter

  Hi everyone, I've been seeing a few issues lately on a few of my servers where an account gets hacked via outdated scripts, and the hacker uploads a cPanel / FTP Brute forcing PHP script inside the account. The PHP File reads /etc/passwd to get the usernames, and than uses a passwd.txt file to try and brute force it's way in to 127.0.0.1:2082. I'm trying to think of a way to block this. It doesn't POST anything except "GET /path/phpfile.php", so I can't use mod_security to block this. I've been thinking of maybe changing permissions on /etc/passwd to 600, however I'm unsure how this will result in regards to my users. I was also thinking of rate-limiting localhost connections to :2082, however I'm worried about mod_proxy being affected. Any suggestions?

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• Semantic is consuming all CPU, causing emacs to hang

  - by Cheeso

  I upgraded to emacs 23.2.1 on Windows 7, not long ago. Since then I've been unable to use Semantic. As soon as I start it, the cpu goes to MAX . (actually, Windows reports it at 50%, but this is a dual core machine, so emacs is effectively consuming 100% of a core). Emacs becomes non-responsive. Is there a particular combination of versions of semantic and emacs I that is unsafe to use together? how would I debug this spin/hang? I've seen other suggestions to change the semantic-idle-scheduler-idle-time, from its default 2 to something very large. I tried that, but got the same results.

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• Lightweight Live Linux Image

  - by MA1

  I am working on an application which is being developed in wxPython and C plus using linux core utilities and network support. To be more specific, I only need the following support for following packages/softwares/components. wxPython C Network Support Linux Utilities Vi File System(fdisk/parted, ntfsprogs etc) Basic(cp, mount/umount, mkdir etc) The application will run from a live CD. Currently i am using Fedora 12 with Gnome for live CD. Currently the size of live image is around 350 MB. The size of application is hardly 1 MB. I don't need anything else except above mentioned. Just my application and supporting packages, no desktop etc. So, I need a Lightweight Linux image as smaller as possible providing all the above mentioned packages/components. I am considering the following distributions: Xfce LXDE Fluxbox Enlightenment Any ideas/suggestions?

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• Lenova B460e laptop Unknown filesystem

  - by Dinesh

  I got Lenova B460e laptop yesterday (by TN Govt). It has WINDOWS 7 Proff….. Setup it up the way I liked it... all software drivers and all. I wanted extra drives, so I entered the WINDOWS diskadmin and changed my partition setup, by splitting and I did the partition setup in the installing proces, so I splitted my harddisk into 4 parts. So far so good. When I rebooted, I entered GRUB RESCUE MODE. In this mode I know the only command “ls”. Which gives like (hd0) (hd0,msdos5) (hd0,msdos4) (hd0,msdos2) (hd0,msdos1). In this Lap I do not have CD drive also, otherwise I could have done Format the OS and installed new OS using WINDOWS 7 CD. Now I don’t know what I’m supposed to do. Anyone an idea how to fix this?

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• what damage can be caused if scandisk is not run before defrag

  - by Justin Gregoire

  Hello, I would like to know what the damage to a drive can be if a scandisk is not performed before a disk defrag. I have looked up some sites that say a scandisk should be run to correct any issues that may be apparent on the system, making sure that the drive is free of errors before a disk defrag is done. I have to perform a defrag on a computer without having physical access to it (using remote connection). I know that the scandisk requires a reboot to the system (causing me to lose my connection) which would be difficult to restart physically if the system does not come back on by itself once rebooted (this has happened before). Any suggestions? Thank you.

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