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  • Apple: Airport extreme, 3 questions

    - by Patrick
    1) Can I use airport extreme + external hard disk as a server ? I mean, can I run operating systems such as ubuntu on it ? 2) Is it a bit noisy ? Can I place it in my sleeping room ? 3) Can airport extreme expand networks ? On the Apple website they say only Time Capsule can do it: www.apple.com/wifi/ thanks

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  • Applying the Windows Experience Index to Servers

    - by Scott
    I finally convinced upper management that we need a computer replacement plan, and I've been tasked with making an inventory of what we have and determining what needs to be replaced this year, next year, the year after, etc. I had to use some sort of criteria to back up my recommendations, so I decided to try using the Windows Experience Index. I've determined the CPU and Memory scores for all of our desktops and servers using community data. I also feel fairly successful in assigning a WEI score to each user based on their computing needs. I'm struggling with assigning a WEI score to the various servers that we have: file server, database server, Exchange server, backup server (for doing backups), web server. Suggestions would be appreciated.

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  • How do I remove Slony from a restored PostgreSQL database?

    - by Scott Herbert
    I've restored a database which came from a server on which Slony was running. The server on which the database has been restored does not have Slony installed. When the database restored, there were a lot of errors reported, with Slony related objects not getting created due to Slony related logins being missing. This I thought was not a problem, as losing the Slony objects didn't seem to matter, and infact seemed desirable. However, now I've got an anoying, if not critical problem. Whenever one clicks on a table in the newly restored DB in PGAdmin, a Slony related error popup ... pops up. The first one reads: "An error has occured: ERROR: function _rmscl.getlocalnodeid(unknown) does not exist" I notice that under the Replication node in PGAdmin, that there is a Slony replication cluster. Trying to drop this cluster results in more object missing type errors. Does anyone have any ideas how we can remove the last vestiges of Slony from this database?

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  • Redirect to ADFS login

    - by Patrick
    My company has switched to Office 365 and we like it, but we would really like for the ADFS single sign on to be more simplified. We have to go to login.microsoftonline.com then type in the username, then you have to click the link that appears at the bottom. Then you have to type in your username again and password. So we have come up with the idea that we could just redirect everyone to this page, but after lots of research into this, it seems like it's not possible to do a DNS redirect to a path. Does anyone know any other type of redirect that we could try? I'm thinking about trying to see if I can have a DNS entry go to our TMG and then have the TMG redirect to a path. But I'm not sure how the ADFS server knows where to go after that, so it might just log us in and not go anywhere. Any help will be greatly appreciated.

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  • Need Varnish configuration advice

    - by Patrick
    Hello fellows, I need some advice here for default.vcl. Here's the rules: Only cache pages with urls that contains '/c/', the rest will pass Set the cache expiry to 3 hours Only cache and serve from cache if cookie 'abc' and cookie 'xyz' is empty Thank you!

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  • Self-Resetting Power Strips?

    - by Justin Scott
    We are about to deploy a number of secure kiosks into an environment where they may be prone to lightning strikes and power surges on a somewhat regular basis (southern Florida in a place where the existing electrical infrastructure is, shall we say, a bit out of date). Ideally we would use battery backups on each system, but it's not in the budget. We plan to use a standard power strip with a circuit breaker built-in to protect the computers, but management has asked if there is a power strip that can reset itself after the breaker has been tripped. I've looked around and wasn't able to find such a beast, and it seems to me that it would probably be a safety issue for such a product to exist (e.g. if something plugged into the strip is drawing a lot of current and trips the breaker, you wouldn't want that resetting itself to prevent a possible fire). Nevertheless, if anyone has experience with such a product or can point me in the direction of something that would allow the breakers to be reset automatically or remotely (we don't want to have to send someone to each kiosk every time there is a power surge) I would appreciate any tips.

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  • Connection refused after installing vsftp on Ubuntu 8.04 with fail2ban

    - by Patrick
    I have been using an Ubuntu 8.04 server with fail2ban for a while now (12+ months) and using ftp over SSH without any problems. I have a new user that needs to put files onto the server from an IP modem. I have installed vsftp (sudo apt-get install vsftp) and everything installed correctly. I have created an ftp user on the server following this guide. Whenever I try to connect to the server with my ftp program (filezilla) I get an immediate response of: Connection attempt failed with "ECONNREFUSED - Connection refused by server". I have looked into fail2ban and cannot find any problems. The iptables setup is: Chain INPUT (policy ACCEPT) target prot opt source destination fail2ban-ssh tcp -- anywhere anywhere multiport dports ssh Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain fail2ban-ssh (1 references) target prot opt source destination RETURN all -- anywhere anywhere VSFTP config file (commented lines removed) listen=YES anonymous_enable=NO local_enable=YES write_enable=YES dirmessage_enable=YES xferlog_enable=YES connect_from_port_20=YES chown_uploads=YES chown_username=[username] secure_chroot_dir=/var/run/vsftpd pam_service_name=vsftpd rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key Any ideas on what is preventing access to the server?

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  • Excel 2007 pivot table does not aggregate properly

    - by Patrick
    I am using a an excel pivot table to summarize some data and just found a problem. The problem deals with how aggregate values are calculated. Let's say I have a table of data with three columns: Name, Date, Value. If I create a table where Name and then Date are used as Row Labels and Value is the aggregate value, ie Average. The pivot table will look something like this: +John .3450 5/14/2010 1.234 5/15/2010 3.450 5/16/2010 -3.25 What I think should be happening here is that the values for each date are averaged and then those values are averaged to come up with the value in the same row as the Name, John. But that is not what it does. It takes the average for each date, which it shows across from the date, but then instead of taking the average of those numbers, it actually uses the raw data and computes the average for all of John's values. It should show the average of the daily averages to correspond with the tree hierarchy, but instead just shows me the average for all of John's values. It essential will only aggregate at one level, but visually creates sub levels that it is not using. Does anyone know how to change this or understand by what logic this makes sense? Why would I create any sub groupings if I cannot compute aggregates on them?

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  • Computer turns itself on after any off mode

    - by Patrick
    Whenever I shut down my computer, or put it in sleep/hybernate, it turns on after two seconds. It doesn't post, it just powers on and then idles. To actually turn it off, I switch off the psu. The problem is now, whenever I switch the psu on and try to boot, it doesn't always turn on. It takes a good amount of flicking the psu switch on and off before the motherboard lights up. So far I've determined the things its not: its not caused by the mouse or network waking up the computer. I've been able to go into hybernate for the past year. And all "wake on X" settings in the bios are diabled. its not a scheduled task waking up the computer at a given hour, it occurs every single time its not due to an upgrade or new installation, since I haven't done either in a very long time I'm sure its a hardware issue. So I'd like to know, is my psu dead, or the motherboard? The psu is an Antec Earthwatts 600w, the motherboard is an Asus P5Q-E, both one year old.

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  • How would I setup iMail to forward a user's mail to another service w/o leaving a copy locally?

    - by Scott Mayfield
    I have an iMail 2006 server installation in which I have a particular user that has several aliases that all point to a single user (me, for the record). I've been copying all of my mail to GMail and reading it there, but it annoys me that I have to go back weekly and log into my mail account on iMail and delete between 6 and 10 thousand copies of messages I've already received, in order to keep my mailbox from filling up (yes, I have it set with no quota, but I consider it bad form to just let the box grow indefinitely). I've got the copying setup via an inbound user rule, but I'm wondering how to accomplish a "copy and delete" rule. The manual isn't clear on what happens with multiple matching rules (will they be processed in order, or is it a first match situation?) and there isn't a means to combine multiple actions into a single rule. If I use the "forward" action, I THINK that it's going to screw up all the sender information once the mail reaches my GMail account and show it as coming from me instead of the original senders (can anyone confirm that this is accurate?) An easy answer would be to delete my user account entirely, replace it with an alias that maps to my GMail account, but then I would lose my ability to log into the system for admin duties. So that leads me to creating a second, lesser known account for admin use, but since it's a real account, sooner or later I'm going to get mail sent to it and I'll be back to the same situation of having a user account that doesn't get emptied periodically. I imagine I can set the quota to 0 MB to cause all incoming mail to my admin account to bounce, or setup an inbound rule to bounce everything, but this is starting to sound kludgy to me. Does anyone know of a more direct work around to copying a user's incoming mail to an outside server and then deleting the local copy w/o removing their account entirely? Or is this just wishful thinking?

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  • PostgreSQL 9: Does Vacuuming a table on the primary replicate on the mirror?

    - by Scott Herbert
    Running PostgreSQL 9.0.1, with streaming replication keeping one read-only mirror instance up to date. Auto-vaccuum is on on the primary, except for a few tables which are not vacuumed by the auto-vacuum daemon, in an effort to reduce business-hour IO. These tables are "materialised views". Each night at midnight, we run a vacuum across the database in order to clean up those tables that are excluded from the auto-vacuum. I'm wondering if that process replicates across to the mirror, or if I need to set up vacuum on the mirror as well?

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  • Acer Aspire PC locked up and won't re-start

    - by Jim Scott
    Vista Home Premium locked up on 5/12/10 while on a website and could not get to 'control-alt-delete.' Mouse locked, too. On/off switch would not work (stayed lit) so I unplugged the power cord. When I tried to re-start the computer I could hear a fan running but it would not boot up, nothing on the monitor and no lights on the keyboard. O/S was preloaded so I do not have a boot disk.I tried pressing F1, F2 and F11 and also with monitor off but nothing worked. Computer has not been been moved or abused so all internal connections should be fine. Have updated Windows Vista Home Premium regularly and also updated Avira anti virus and anti malware programs regularly. Using Firefox and Vista Home Premium O/S. Computer is 2 years old and was purchased new from Best Buy.

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  • tail -f and then exit on matching string

    - by Patrick
    I am trying to configure a startup script which will startup tomcat, monitor the catalina.out for the string "Server startup", and then run another process. I have been trying various combinations of tail -f with grep and awk, but haven't got anything working yet. The main issue I am having seems to be with forcing the tail to die after grep or awk have matched the string. I have simplified to the following test case. test.sh is listed below: #!/bin/sh rm -f child.out ./child.sh > child.out & tail -f child.out | grep -q B child.sh is listed below: #!/bin/sh echo A sleep 20 echo B echo C sleep 40 echo D The behavior I am seeing is that grep exits after 20 seconds , however the tail will take a further 40 seconds to die. I understand why this is happening - tail will only notice that the pipe is gone when it writes to it which only happens when data gets appended to the file. This is compounded by the fact that tail is to be buffering the data and outputting the B and C characters as a single write (I confirmed this by strace). I have attempted to fix that with solutions I found elsewhere, such as using unbuffer command, but that didn't help. Anybody got any ideas for how to get this working how I expect it? Or ideas for waiting for successful Tomcat start (thinking about waiting for a TCP port to know it has started, but suspect that will become more complex that what I am trying to do now). I have managed to get it working with awk doing a "killall tail" on match, but I am not happy with that solution. Note I am trying to get this to work on RHEL4.

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  • Apache mod_proxy vs mod_rewrite

    - by Scott
    What is the difference between using mod_proxy and mod_rewrite? I have a requirement to send certain url patterns through the tomcat, which runs on the same host but under port 8080. I know this is something for mod_proxy, but I"m wondering why I can't just use mod_rewrite, or what the difference is? Probably has to do w/ reverse proxy, and also when in the pipeline it gets handled? Thanks.

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  • Network use of Gaming PC

    - by Matthew Patrick Cashatt
    Background After YEARS of waiting, I built the custom gaming PC of my dreams: Intel i7 - 975 Extreme Edition 3.3ghz (overclocked to 4.0) ATI Radeon 5970 2gb Corsair 256 gb SSD Drive 2 TB Sata II 3.0 7200rpm data drive 12 GB Kingston Hyper-X (1600mhz) DDR3 Windows 7 Ultra 64 bit And so on. . . Problem I hooked this beast up to our home theater and settled in for a great gaming season only to realize a couple of drawbacks: It's hard to accurately wax bad guys using a keyboard in your lap whilst reclined on your couch (and using a wireless keyboard). It's hard to read the text on the screen (i.e. menus, etc). I find that a 1:1 ratio (screen diagonal inch to inch away from screen) is optimum, but using the home theater, it's more like 1:3 which has me squinting unless I sit on the coffee table. The wife always seems to want the TV the same time I do and, unfortunately "Real Housewives of Beverly Hills" and Battlefield BC don't mix. I am losing the battle in the home theater room, but the PC has to stay there (long story). So, this leaves me with the option of playing in my home office which is about 30 feet away from the home theater. I am a software developer so I have a pretty decent set up in my office--multiple 1080p monitors, HP Envy 17 which can run games like Crysis in 720p with out stammering too much. Also, I can game very comfortably at my desk in the office. Still, even though the set up in my office can run games well enough, I don't want to regress to that when I have worked YEARS for an awesome gaming PC that can run everything on ultra high settings. My Question What are my options for running my games on the beastly desktop in the Home Theater, but physically playing in my office about 30 feet away? A really long HDMI cable? LAN/RDC? Details that May Help We have an open crawlspace so running cable from HT room to office is no problem. I already have networked the house with a LAN Any help is GREATLY appreciated. Thanks, Matt

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  • Windows 8 Doesn't Shutdown Properly With Fast Start-Up Enabled

    - by Patrick
    While Fast start-up is enabled, on turning the computer off (shutdown) the computer idles for about 5min after logging out/screen turning off. It then turns off. On returning into Windows I receive the error message saying Windows didn't shut down properly. Hibernate works fine, and I am told this shouldn't be the case - If one doesn't work, neither should. It works when both Fast start-up is enabled and disabled, as does restart and sleep. Windows is installed under UEFI. The UEFI ultra fast boot option for my motherboard cannot be enabled as my GPU doesn't support some UEFI GOP tech. As far as I know, not related to windows fast start-up, but thought it was worth mentioning. To clarify, if this: http://www.eightforums.com/tutorials/6320-fast-startup-turn-off-windows-8-a.html is enabled, the computer does not shut down properly. EDIT: Some more information on the matter: Formatting didn't fix the issue. Still fails regardless of drivers installed. Hardware was purchased ~6months ago. Running a good SSD. Event viewer Always these two messages in close succession: Error (event ID 6008): The previous system shutdown at 7:45:21 PM on ?27/?10/?2012 was unexpected. Critical (kernel power, event ID 41): The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. Upon installing WPT as suggested below to figure out what was happening during shutdown, and running the cmd xbootmgr -trace shutdown -noPrepReboot -traceFlags BASE+CSWITCH+DRIVERS+POWER -resultPath C:\TEMP Windows fast start-up is now working consistently. Still works upon uninstalling WPT. This is the only change to occur on the computer. Nothing else has bee installed/uninstalled, no Windows Updates, nothing. Windows fast start-up did not work prior to installing WPT and running the cmd (made sure I tested).

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  • Can't get virtual desktops to show up on RDWeb for Server 2012 R2

    - by Scott Chamberlain
    I built a test lab using the Windows Server 2012 R2 Preview. The initial test lab has the following configuration (I have replaced our name with "OurCompanyName" because I would like it if Google searches for our name did not cause people to come to this site, please do the same in any responses) Physical hardware running Windows Server 2012 R2 Preview full GUI, acting as Hyper-V host (joined to the test domain as testVwHost.testVw.OurCompanyName.com) with the following VM's running on it VM running 2012 R2 Core acting as domain controller for the forest testVw.OurCompanyName.com (testDC.testVw.OurCompanyName.com) VM running 2012 R2 Core with nothing running on it joined to the test domain as testIIS.testVw.OurCompanyName.com A clean install of Windows 7, all that was done to it was all windows updates where loaded and sysprep /generalize /oobe /shutdown /mode:vm was run on it A clean install of Windows 8, all that was done to it was all windows updates where loaded and sysprep /generalize /oobe /shutdown /mode:vm was run on it I then ran "Add Roles and Features" from testVwHost and chose the "Remote Desktop Services Installation", "Standard Deployment", "Virtual machine-based desktop deployment". I choose testIIS for the roles "RD Connection Broker" and "RD Web Access" and testVwHost as "RD Virtualization Host" The Install of the roles went fine, I then went to Remote Desktop Services in server manager and wet to setup Deployment Properties. I set the certificate for all 3 roles to our certificate signed by a CA for *.OurCompanyName.com. I then created a new Virtual Desktop Collection for Windows 7 and Windows 8 and both where created without issue. On the Windows 7 pool I added RemoteApp to launch WordPad, For windows 8 I did not add any RemoteApp programs. Everything now appears to be fine from a setup perspective however if I go to https://testIIS.testVw.OurCompanyName.com/RDWeb and log in as the use Administrator (or any orher user) I don't see the virtual desktops I created nor the RemoteApp publishing of WordPad. I tried adding a licensing server, using testDC as the server but that made no difference. What step did I miss in setting this up that is causing this not to show up on RDWeb? If any additional information is needed pleas let me know. I have tried every possible thing I can think of and I am just groping around in the dark now. The virtual machines running on testVwHost The configuration screen for RD Services The Windows 7 Pool The Windows 8 Pool This is logged in as testVw\Administrator

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  • Wrong DNS for just one site on development machine

    - by Patrick
    www.superyoink.de is my clients' website. I can access it from any machine except my development one. If I ping it on my development machine, I get 80.67.28.107 - this is wrong. My laptop, next to me, is able to resolve it correctly. I have tried putting correct address into hosts like so: 93.187.232.191 www.superyoink.de Still resolves to wrong address. I can enter bogus DNS server addresses so nothing works. But www.superyoink.de still resolves to 80.67.28.107. Rebooted, did ipconfig /flushdns nothing seems to work. I run 32 bit Vista. My impression is that it has stored the wrong dns resolution somewhere and is not even trying the DNS servers. But where? Help please!

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  • Diagnosing Microsoft SQL Server error 9001: The log for the database is not available.

    - by Scott Mitchell
    Over the weekend a website I run stopped functioning, recording the following error in the Event Viewer each time a request is made to the website: Event ID: 9001 The log for database 'database name' is not available. Check the event log for related error messages. Resolve any errors and restart the database. The website is hosted on a dedicated server, so I am able to RDP into the server and poke around. The LDF file for the database exists in the C:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA folder, but attempting to do any work with the database from Management Studio results in a dialog box reporting the same error - 9001: The log for database is not available... This is the first time I've received this error, and I've been hosting this site (and others) on this dedicated web server for over two years now. It is my understanding that this error indicates a corrupt log file. I was able to get the website back online by Detaching the database and then restoring a backup from a couple days ago, but my concern is that this error is indicative of a more sinister problem, namely a hard drive failure. I emailed support at the web hosting company and this was their reply: There doesn't appear to be any other indications of the cause in the Event Log, so it's possible that the log was corrupted. Currently the memory's resources is at 87%, which also may have an impact but is unlikely. Can the log just "become corrupted?" My question: What are the next steps I should take to diagnose this problem? How can I determine if this is, indeed, a hardware problem? And if it is, are there any options beyond replacing the disk? Thanks

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  • Best Photo Sharing Website for Teams/Organizations [closed]

    - by Patrick Cuff
    I manage the website for my daughter's U-10 soccer team. I'd like to set up a place where team members can both view and upload pictures. It needs to be secure, so that only authorized/registered members can view and upload pics. I've looked into Picasa and Flickr, and while both are good for sharing photos, only one registered user can upload. Are there any good sites that allow multiple people to upload photos?

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