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• Spam is Killing Me - Can I use GMail as a spam filter?

  - by kirkouimet

  I'm getting at least 50 Viagra ads a day and it's driving me insane. I currently have a hosted MS Exchange account and a Gmail account. My Gmail account forwards to my Exchange account. Both of my addresses are used evenly, and it has been really nice to have all of my e-mail end up in my Exchange box. I like replying from one address consistently, which is my Exchange address. Spam sent to my Gmail address is always caught, where spam sent to my Exchange is getting passed straight through to me. I don't want to have two spam filtration systems that have quarantines that I need to check frequently for false positives. Here is my question: Can I setup my MX records such that all e-mail sent to my Exchange address is forwarded to my Gmail account, which will then forward it to my Exchange account? Kind of like using Gmail as the middle man.

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• Odd SVN Checkout failures occur frequenctly on VMWare virtual machines

  - by snowballhg

  We've recently been experiencing seemingly random SVN checkout failures on our Hudson build system. Google search has failed me; I'm hoping the super user community can help me out :-) We are occasionally receiving the following SVN error when our Hudson build jobs checkout source via the Hudson Subversion plug-in (which uses svn kit): ERROR: Failed to check out http://server/svnroot/trunk org.tmatesoft.svn.core.SVNException: svn: Processing REPORT request response failed: XML document structures must start and end within the same entity. (/svnroot/!svn/vcc/default) svn: REPORT request failed on '/svnroot/!svn/vcc/default' This issue seems to only occur when checking out from our Virtual Machines (Windows XP, Fedora 9, Fedora 12) using Hudson's SVN Plug-in. Systems that use the traditional SVN client seem to work. SVN Server version: 1.6.6 Hudson version: 1.377 Hudson SVN Plugin Version: 1.17 Has anyone dealt with this issue, or have any suggestions? Thanks

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• How to use ssh-agent (and graphic passphrase dialog) in Kubuntu 10.10?

  - by halo

  I have recently switched from Ubuntu to kubuntu, both version 10.10. Unfortunately in KDE the ssh passphrase dialog doesn't work out of the box. Everytime my ssh private key is used I need to enter my password. This is neither secure nor comfortable. I have done comprehensive research on the net but only found out dated documentation. Several things I tried didn't work out. Current status: SSH setup working with direct passphrase input ssh-agent running in X session $SSH_AUTH_SOCK set to ssh-agent's socket in X session How to enable ssh-agent for keeping the passphrase in memory for ~15mins and as a bonus always use a graphical dialog for its input? I use asymmetric SSH key pairs for pushing/pulling in Git VCS logging remotely into different server systems

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• General purpose ticketing/tech support system [closed]

  - by crazybyte

  Possible Duplicate: What’s your favorite ticketing system? I was wondering if somebody could recommend me a very user friendly or simple general purpose ticketing/tech support system. I need something that is web based, preferably open-sourced/free software implemented using PHP, Ruby, Ruby on Rails or Java (as back end) with MySQL or PostgreSQL as database engine. I need something that is not development management oriented or project management oriented like Eventum or similar (random example), something to which the user can connect open a tech support request and be able to follow it until is solved or dropped.I need it to be open-sourced to be able to modify it if there is a need or extend it. I tried a number of such systems available and I found that osTicket or eTicket is something that it's close to what I need, but the code is somewhat flaky and some of the features are working badly or behaving strangely. Any thoughts/advice where to find something similar? Thanks!

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• Expertise Location [closed]

  - by Alexey Shatygin

  Is there some really working implementations of the expertise location systems exist? It is very hard to find anything about it. What sources to use, what to read, where to look? I've started with reading David W. McDonald's, Mark S. Ackerman's overview "Just talk to me" and now need just something more detailed. For those, who voting this question to be closed for off-topic: it is connected to IT sphere, if you don't know what it is - why ever vote? http://en.wikipedia.org/wiki/Expertise_finding http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.40.4654&rep=rep1&type=pdf

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• Is it possible to run a "Windows Server 2008 R2 SP1 Hyper-V Virtual Machine" on Windows 7x64 Pro machine?

  - by tbone

  Specifically, I want to run this: http://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=27417 This download contains a three Windows Server 2008 R2 SP1 Hyper-V Virtual Machine set for evaluating and demonstrating Office 2010, SharePoint 2010 and Project Server 2010. System requirements Supported operating systems: Windows Server 2008 R2 Additionally you will need: •Windows Server 2008 R2 (SP1 recommended) with the Hyper-V role enabled. •Drive Formatting: NTFS •Processor: Intel VT or AMD-V capable •RAM: 8 GB or more recommended •Hard disk space required for install: 100 GB ------------------------- So, the above text seems to indicate that you need a physical Windows 2008 Server (r2) server running, but from the googling I've done on the subject I've yet to come across a discussion that definitively answers the question. Many posts I've read seem to indicate it might be possible to run it on Windows 7 using one of the following: VirtualBox, Windows Virtual PC, VMWare but I'm not entirely sure.

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• Simple server status page hosted externally available for users

  - by Chris

  I am looking for any kind of script - can be asp or php or any other web language - that gives me the ability to log outages and the current state of the network for our organisation. This would be similar to any major Telco's "Network Status" page, but I just want to tell the user's out there if the systems are up and running and have a history of recent outages. This would be for our remote user's so they could go to a webpage (externally hosted from our main site) and see that we are currently having problems with our network. What are other people out there using?

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• Do I need to reserve space before installing Ubuntu alongside Windows 7?

  - by CRM Junkie

  I had Windows 7 32 bit on my existing system, but I am planning to install Ubuntu alongside it. So, I just decided to do a fresh installation of both the operating systems. When I insert the Windows 7 DVD, I can create 3 partitions at maximum, with one being the one where Windows 7 will be installed. I just wanted to know – do I need to keep some un-partitioned space for Ubuntu to install? By "unpartitioned space" I mean the space left after creating 3 partitions for Windows 7. I have a 500 GB HDD, so the three partitions I would be creating are 120 GB, 120 GB and 120 GB. The rest is shown as some logical drive, is that unpartitioned space? Can I install Ubuntu over there? I am pretty sure the space shown as logical won't be available as drives when I log into Windows 7. Is that space lost or can I use that to install ubuntu?

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• Url-based web site publishing on Windows Server platform

  - by Maxim V. Pavlov

  I have a Windows 2008 Enterprise SP2 server in a datacenter. It is 32bit OS. I need to be able to do a "smart" url-based web site publishing. So that with a single external IP I can publish many sites on port 80, and some firewall logic resolves, based on a requested URL, which site in IIS gets the request. Forefront TMG 2010 has this feature, but it is not supported on 32bit systems. Is there a software solution that can satissfy my need on Windows 2K8 platform? Thank you. P.S. Perhaps there is a workaround or a tweak to do what I need in IIS?

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• not able to make entry of ubuntu 10.04 grub.cfg into redhat 5.1 menu.lst file to run 2 linux os and

  - by Deepak Narwal

  Hello friend... In my computer there are three operating systems.. First i installed Windows 7 then i installed ubuntu 10.04 and in last i installed redhat 5.1 NOw i know one thing as i installed redhat then grub installed by ubuntu will be overwritten by redhat grub..and i know that to see all three operating syetm at the startup i have to make entry of /boot/grub/cfg into /boot/grub/menu.lst file.. Now the problem is like this In te previous version it was very easy to play with ubuntu grub file but now this file is modified..NOw i dont know what is to be picked up from ubuntu /grub/grub.cfg file so that i can make entry in redhat /boot/grub/menu.lst file.. In short i am not able to put entry of grub.cfg file into redhat menu.lst file.. will u help me plz i want to work on these thre eOS..

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• DNS record reappears after having been deleted

  - by palmbardier

  I've got a Microsoft Windows Server 2003 R2 acting as a domain controller for a small network. It provides DHCP and DNS among a few other services. It's only got a single NIC, but it's configured with two IP addresses. I want it's name to resolve to one of the two IP addresses assigned to its NIC. I've unchecked "Register this connection's addresses in DNS" under the "Advanced TCP/IP Settings". Currently we've got two distinct DNS Host (A) records for this domain controller: dc-001 - 10.0.0.1 dc-001 - 10.0.100.1 I've deleted the first entry but it continues to reappear in my dnsmgmt snap-in. Unfortunately I'm not a Microsoft systems administrator by trade. Does anyone familiar with Microsoft server environments know why a deleted Host (A) record would reappear? Is there another check-box I need to toggle? Thanks in advance to all of you Microsoft experts out there.

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• How to view dirty page count in Windows Server 2003

  - by Mark Wilkins

  Is there a way to view the number of dirty pages (cached file pages that need to still be written to disk) in Windows Server 2003? In Windows 7, for example, I can use Performance Monitor and use the "Dirty Pages" counter (one of the cache counters). This counter does not seem to be available in Server 2003. Also on Windows 7 (and other later systems), I can use Sysinternals RAMMap and effectively see the dirty pages on a file-by-file basis. Is there something similar for Server 2003?

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• Distributed filesystem for automated offline data mirroring

  - by Petr Pudlák

  I'd like to achieve the following setup: Every time I connect my laptop to a local network, my partition gets automatically mirrored to a partition on my local server. I only want to mirror what has changed from the last time. (I understand that it is not a proper backup solution since there is no history of the changes, it'd be more like a non-persistent network RAID.) Is there a distributed file system that allows such a setup? I've done some searching and it seems to me that most distributed file-systems are focused on data availability and distribution, not duplicating them. I'd be thankful for suggestions. Edit: Sorry, I forgot to mention: I'm using Linux.

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• Compaq Presario V2000 Vista/7 trial virtualization

  - by James Schweninger

  I am currently studying for an A-Plus certification to which was recently added troubleshooting Windows 7 to the exam. You also have to be very familiar with Vista as well. I only have XP on my Compaq Presario V2000, but I wanted to set it up ( I believe I have the minimum requirements for both ) so that I could run trial versions of Vista and 7 virtually.Windows 2000 is also on the exam. Is there an easy legal way to do this? I wouldn't mind partitioning my HDD for the four operating systems either. Thnx if you have any ideas, JLS

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• Windows 7 Intermittent Connection Issues (Continuously "identifying")

  - by andrewktmeikle

  I have an issue solely with my desktop windows 7 machine on my network (the network has multiple different devices, on the same and different operating systems) and the issue is that irregularly, although sometimes frequently, I briefly get disconnected from the internet (briefly is for around 5-10 seconds). However, I never loose the bars on the wifi thing, eg I don't get the yellow triangle, but it goes to the identifying stage and then reconnects. The reason I noticed the problem was when I was streaming music it would stop and I would refresh the page and it would start working again ( turned out it was because it took that amount of time to get connected again). So my question is, what would cause the intermittent issues and start the "identifying" process again. I don't think its my router, because no one else is having problems, so the other option is that its a problem specifically with my machine. I'm connecting to a Netgear DG834GT router, and I'm using a Edimax Wireless-N150 USB Adapter. Anyone have any ideas?

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• What is the best resource or method for learning more about servers and networking?

  - by kaleidomedallion

  I can get around a server to some degree, but everything I have learned has been as I have needed to learn it. Every once in a while I will learn about some new command that will revolutionize how I think about systems and networking, and realize how I could have been using it this whole time if only I had known about it. Anything to bring someone from novice to some kind of fluency? Do I just need to earn the battle scars bit by bit over the course of years? (I mean of course I do but what can I do to help it be not quite so painful?) For instance, I am still fuzzy on all of networking. Any help would be greatly appreciated.

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• Tracking down laptops Google has never heard of

  - by John

  Using MS tools to get information on PCs using our software, our customers have sent several Lenovo systems which have names we simply cannot find using Google... no search results at all. Considering these names/ids are returned by querying the system directly, not asking the customer to write it down by looking at the box, this seems odd. The ones we have so far (more than one of each) are: Lenovo 2241BL9 Lenovo 6463Y4H My guess is these are Thinkpads after Lenovo took over the brand, but can anyone help me out with this detective work? edit: the 2nd one does turn up some driver downloads and this page, but it's unclear what any of that means. Is the 6463y4h just a T61? http://smolts.org/reports/view_profile/%20ThinkPad%20T61

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• Combine OS partion with data partition on NAS4Free/FreeNAS

  - by Pak

  I recently built a NAS4Free (formerly FreeNAS) machine using a 256MB (yes, MB) USB drive for the OS. When I did the original install, I had the bright idea of making the OS partition just big enough for the OS and a then creating a second partition using the remainder of the drive to store stuff pertaining to the OS. I never really found a use for the data partition and I ended up running out of space on the OS partition, so now I'd like to combine the partitions into a single partition. Is this something that is possible to do while everything is up and running? If it comes down to it, I can take down the machine and do a fresh install of the OS using the entire space of the USB drive, but I'd like to use this as an opportunity to better familiarize myself with FreeBSD/UNIX type systems. If this is possible, will it interfere with the NAS4Free things? The data partition shows up in the web interface under the disks section. If I end up manually changing the partitions, I'd be concerned with NAS4Free getting confused by the missing partition.

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• Development environment clean installation

  - by ruigoncalves

  Hi there! I'm about to install a new and clean development environment. To accomplish that, I would like a Windows operating system (possibly Windows 7) and a Ubuntu one (possibly the most recent, 10.04). To allow sharing data between the two operating systems, I'm thinking to create a partition (workspace, for example) with using NTFS to format it and that be automatically mounted by Ubuntu. In terms of the partitioning schema, how would be better to organize the previous mentioned partitions? Thanks in advance, Best regards!

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• Windows 8 - uninstall AppFabric?

  - by downatone

  I recently upgraded from Win 7 - Win 8. AppFabric was not one of the programs that came up as being incompatible when I ran the upgrade wizard, so I did not uninstall it. Now whenever I goto "Add or remove features" I get the following error: --------------------------- Windows Server AppFabric Setup Wizard --------------------------- Windows Server AppFabric is not supported on current operating system Windows 8 Pro(version 6.2.9200.0). Please refer to installation guide for the list of supported operating systems. --------------------------- OK --------------------------- Unfortunately the only way to uninstall AppFabric is via the "Add or remove features" - does anyone know a commandline command to kick the uninstall so I can at least access "Add or remove features"?

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• Recover deleted files on windows 2008 file server

  - by aniga

  We have recently been hit by a weird virus which made all files and folders a system files/folders and also it hid all files and folders par some weird ones it created including: ..exe porn.exe secret.exe password.exe etc We have managed to restore the files with attrib command to unhide and unmark them as system files however we have noticed that we are missing some 4 to 5 folders of which (based on my luck) 2 of them are the two most important client we have. I am not sure if these files were deleted by the worm/virus or by my colleagues who are not owning up to them but the files are now gone. Worst of all, we do not have any backup what so ever (Yes I know, we should not have done that but it is a lesson learned and since last night we have created two forms of backup systems one to external device and one on the cloud, but I doubt any of that will help us now) We have 1 Windows 2008 File server and 4 client computers based on Windows 2007. I would be grateful if anyone can help us on how we can recover from this disaster which could potentially put us out of business.

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• Best practice for administering a (hadoop) cluster

  - by Alex

  Dear all, I've recently been playing with Hadoop. I have a six node cluster up and running - with HDFS, and having run a number of MapRed jobs. So far, so good. However I'm now looking to do this more systematically and with a larger number of nodes. Our base system is Ubuntu and the current setup has been administered using apt (to install the correct java runtime) and ssh/scp (to propagate out the various conf files). This is clearly not scalable over time. Does anyone have any experience of good systems for administering (possibly slightly heterogenous: different disk sizes, different numbers of cpus on each node) hadoop clusters automagically? I would consider diskless boot - but imagine that with a large cluster, getting the cluster up and running might be bottle-necked on the machine serving the OS. Or some form of distributed debian apt to keep the machines native environment synchronised? And how do people successfully manage the conf files over a number of (potentially heterogenous) machines? Thanks very much in advance, Alex

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• How can I use rsync with a FAT file system?

  - by Kim

  I would like to write a simple backup script that saves some data to a FAT drive. Should I reformat the drive and use a better file system or is it possible to use rsync with FAT? If so, what problems might I run into? Would performance be a lot worse? EDIT: This is on linux, didn't even know there was a rsync for windows. The sources are various file systems (it's a mess), and the destination is currently formatted with FAT32. Thank you for your answers, I'll probably go for a reformat, since I'm not completely sure about the file sizes we'll have.

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• How can I get OS/X-like switch windows of same program bound to hotkey with linux GUIs?

  - by dbenhur

  On OS/X, Command-~ switches between windows associated with the program with current focus. This is very handy when toggling through a set of browser windows or editor windows, for example. A couple years ago I noticed someone using similar functionality on a Gnome linux laptop and they showed me how to set it up, but I forgot the details (so I know it's possible). I frequently switch between MacBook and a variety of linux systems running Gnome, Unity, and occasionally KDE. My Google-fu failed so I turn to stack exchange: How do I bind Alt-~ or similar key to give me functionality to switch between windows of program with current focus?

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• Squid3 not working. Access denied.

  - by Nitish

  I installed SQUID3 on a Linux machine with two ethernet interfaces (eth0 and eth1). I used the default settings in the squid.conf file and uncommented the two lines acl localnet src 192.168.0.0/16 and http_access allow localnet. eth0 is connected to a router, which provides Internet access. It is assigned an IP 192.168.1.2 by the router. I manually configured eth1 to have an IP address 192.168.5.1. It is connected to a switch. Systems having IP addresses 192.168.5.x are connected to this switch. I ran these two commands for NAT: iptables -t nat -A PREROUTING -i eth1 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.5.1:3128 iptables -t nat -A PREROUTING -i eth0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128 But when I try to access internet from a system having IP 192.168.5.2 through the proxy I get an error that says "Access denied". What is wrong with my configuration?

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