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• "Recursive" Wildcard DNS for Amazon Route 53

  - by Brian

  The title of the question might be misleading because I'm not an expert and I'm trying to learn the proper terminology. That being said, I'm wondering if it's possible to setup a wildcard DNS record for any number of dot separation in domain names and have them all point to the network root. This is for WordPress multisite, users will have the option of choosing a mapped domain name, I want to configure my DNS so that both mysite.co.uk.network.com and mysite.com.network.com are valid (I realize this is a but ugly, but WordPress multisite requires that each site have a unique site_url and I'd prefer to preserve the period-delimited appearance if it's possible).

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• What is the minimum power supply wattage needed for a Pentium 2.4GHz system?

  - by scottmarlowe

  It looks like I've got a dead Antec True 330 power supply in an older desktop that has an Intel D845PESV motherboard, a Pentium 2.4GHz processor, 2 dvd/cd writers, 2 hard drives, and other typical devices. I have an even older computer that is not being used that has a 200W power supply. Can a 200W power supply drive what I've listed above? Or, put another way, what is the minimum power supply specs for the above system? (A new 350W power supply will run me $30--so buying a new one is not a problem--but I'm curious about the question nonetheless).

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• Apache internal test servers

  - by user74274

  I want to build a test system in the office. On one box I will install XAMPP. I will put a website that I want to test on that box. Now I do not want it connected to the Internet. So my plan is to use a reverse proxy to resolve things like ads and other external links. So I am thinking of using mod_proxy for that. Now my question is, How many boxes do I need? 1 for Xampp, 1 for mod_proxy and 1 for the server where mod proxy redirects them to. Total of three. But maybe I could do it with less. Can I run Mod_proxy on the first box? Is there a better way? Thanks

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• Integrated Windows Authentication with Chrome and FireFox

  - by Jaap

  I have a webapplication which uses claims based authentication. The STS is ADFS 2.0. When I am in the intranet and use IE, IWA is used and no login dialog appears. When I am on the internet zone, the Forms based authentication of ADFS is used. Just what I want. Chrome and FireFox are also working as expected when I am in the internet zone. But when I am in the intranet zone, both come with a login dialog, instead of using IWA. And supplying my credentials in that dialog does not work, it keeps repeating the dialog. Any hints? UPDATE: Did about an hour searching on the internet before I asked this question. But after asking it I did just another search giving the answer :-), matter of finding the correct keywords. Here the answer: http://stackoverflow.com/questions/5724377/mvc3-site-using-azure-acs-adfs-continually-prompts-for-credentials-when-using

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• How can I determine which processes are using up the most CPU?

  - by Rob

  05:54:17 up 6 days, 9:54, 1 user, load average: 15.70, 8.04, 4.56 Load average is a LOT higher than it should be. It was HALF of that a moment ago, I used ps aux to see which processes were using a lot of cpu, and the httpd was using a TON. It had several processes running with 0.9 each. So I restarted the httpd, and now those processes are gone, but the load averages have doubled. So my question is: is there a way I can list the processes that are consuming the most cpu?

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• Setting CATALINA_OPTS for tomcat6 on windows doesn’t work.

  - by Ben

  (I've copied this from Stack Overflow here, after someone suggested I post the question here) Hi, I'm trying to setup Tomcat6 to work with JMX on Windows Vista 64. To do that I need to pass the parameters below to Tomcat6. What I do in command prompt. (that doesn't work) set CATALINA_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9898 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false" tomcat6.exe What I do that does work (but causes other problems) java -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9898 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -jar bootstrap.jar It seems as if tomcat is just ignoring the environment variable CATALINA_OPTS. Am I doing something wrong? I've also tried to edit catalina.bat and define the variable CATALINA_OPTS there. No success. (tried adding the parameters to JAVA_OPTS too, no success either) Thanks in Advance!!

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• Setup IPsec VPN using ASA5505 behind Juniper SSG5

  - by i_ch3ry

  I have been assigned to establish a Internet IPsecVPN connection between two sites using Cisco ASA5505 A site currently has following setup.(Same setup is expected in another site) Internet-----ADSL Router-----Juniper SSG5-----Intranet (Im not sure what is configured on SSG5 and if router is in bridge mode or if NAT is configured) I was thinking if I should install ASA5505 along with Juniper SSG5? Internet-----ADSL Router-----Juniper SSG5-----Cisco ASA5505(for vpn only)------Intranet or Internet-----ADSL Router-----Cisco ASA5505(for vpn only)-----Juniper SSG5------Intranet My question is if it is possible? What should be the normal way to achieve this goal? Thanks

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• SquidGuard and Active Directory groups

  - by Massimo

  I'm configuring a Linux proxy with Squid and SquidGuard to filter Internet traffic. I know how to authenticate users against Active Directory in Squid, and then how to filter access for users using SquidGuard. The question: how to use Active Directory groups in SquidGuard instead of plain user names? My goal is to be able to configure rules like "members of this group can go anywhere" or "members of this group can only visit certain sites". I know SquidGuard can't manage group membership directly, but it can do LDAP searches on its own; but the syntax to look up wheter a user is member of a given group seems to be quite cryptic, and I couldn't find any good documentation around.

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• SSH Tunneling from Windows to Linux/Ubuntu

  - by Mike

  My question is for my girlfriend basicly.... She works at a mall and doesn't do much so she likes to get on myspace and facebook as most girls do and yahoo to check her email. Well she uses her laptop to connect to a wireless network that doesn't allow it.... so I did some research and got putty and connected to my linux box I have here at home and it worked somewhat. My problem is it only views my webpages I have created here on this box it won't go outside of the linux host. I did it like this in putty... port is 1000 and hostname:80 is what I got outa my research then connected after seting up the tunnel bam worked for all webpages on my box but when she puts in www.myspace.com it redirects to my index.php in my var/www and won't travel outside that as I said.. Any help would be much obliged.

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• Mac Mail import from Entourage failed

  - by elhombre

  I am trying to import the entire Folder-structure from Entourage 2008 to Mac Mail on a Mac OS X 10.5.8. First I wanted to export the whole E-Mail Database from Entourage to Desktop as a .rge File. The export got aborted through a message which indicated that my Entourage database is corrupt and that I should rebuild it. I then went over to Mac Mail and imported the Entourage Folder-structure through File/import mailboxes.../Entourage. The bulky import did take some time and the progress bar never reached its full length. But at the end the import was successful. When I checked the imported folder-structure in Mac Mail I noticed that quiet a few Subfolders where missing. I checked Console and saw following message. Mail[2899] Applescript Error: aliasForMailImporter got an error: AppleEvent handler failed. Question: What does that mean and what can I do to get my subfolder-structure over completely?

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• Unix list absolute file name

  - by Matthew Adams

  Given an arbitrary single argument representing a file (or directory, device, etc), how do I get the absolute path of the argument? I've seen many answers to this question involving find/ls/stat/readlink and $PWD, but none that suits my need. It looks like the closest answer is ksh's "whence" command, but I need it to work in sh/bash. Assume a file, foo.txt, is located in my home directory, /Users/matthew/foo.txt. I need the following behavior, despite what my current working directory is (I'm calling the command "abs"): (PWD is ~) $ abs foo.txt /Users/matthew/foo.txt $ abs ~/foo.txt /Users/matthew/foo.txt $ abs ./foo.txt /Users/matthew/foo.txt $ abs /Users/matthew/foo.txt /Users/matthew/foo.txt What would "abs" really be? TIA, Matthew

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• Wyse Z Class Thin Client (WES7) Image Deployment

  - by nsr81

  We are currently working on deploying a few Wyse WES7 thin clients (Z Class, exact model escapes me at the moment). We have WDM setup, and are able to see new clients show up, interact with them, pull/push images. Our current workflow is something like this: Unpack & boot up the device Disable Windows Firewall, reboot Device shows up in WDM Publish our custom image to the new device. My question is whether or not there is a way I can bypass step 2, and put my image on the client right out of the box. Either using PXE or USB boot disk, such that I can boot into some sort of menu and tell the client to pull a particular image from the WDM server. With HP thin clients, we have a rule setup which detects new clients on the network and pushes our custom image to them first time they show up. I haven't been able to figure it out with Wyse.

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• Which Linux is the most efficient?

  - by quandary

  Simple question: There is a gazillion Linux distributions out there. Which one (distribution/incl. window manager) makes (technically) the most efficient use of my (aging) computer ? I have appx. 1 GB RAM and a 1.6 GHz processor, 120 GB hd. I develop applications (C++/.NET/mono/ASP/PostGre SQL/). Usually, I prefer distros with apt-get. Anybody knows which one takes the most care of my limited RAM, and wich one is the fastest/slimmest of them all, that has a decent repo and is damn fast)

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• Mac OS X 10.6 issues connecting via vpn to Microsoft server

  - by chris hough

  I am currently running Mac OS X Snow Leopard and trying to use the native vpn client to connect to our Microsoft vpn server. If I route all traffic via the vpn connection I am able to connect to our servers, however, external traffic to i.e. google or stack overflow is blocked. If I uncheck the checkbox to route all traffic via the vpn I can connect to the vpn, however, I can not connect to my servers, external traffic to google or stackoverflow works though. Is this a vpn client issue, do I need to purchase Mac OS X vpn software instead of the native client, or is there a Microsoft vpn server setting that has to be checked. I am not familiar with the server software, but I wanted to post this question here to help out our network admin with the Mac OS X machines.

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• Configuring RealVNC to accept copy/paste on a remote server

  - by AP257

  Hi So, I'm using RealVNC Viewer locally (Mac OSX 10.6) and connecting to a VNC Server on a remote machine (Debian - I'm no Unix expert). I want to be able to copy and paste at the command line, but Ctrl+V, Shift+V and Command+V all do nothing on the remote command line. First question: should I be trying a different combination of keys? Secondly, if it's not that I'm using the wrong combination of keys, how can I configure VNC Server to accept copy and paste? I have 'Share clipboard with VNC Server' checked locally, so I figure it must be a problem on the remote machine. I only have command-line access on the remote machine (though I am root) so I need to configure the option somehow via the command line.

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• How to block some disks from probes on Linux boot?

  - by Igor Velkov

  My linux host connected to SAN with FC interface. It connect with one path, and see some luns, that can't access, because they need anohter path, not available to host. On boot linux probe all lun he can see, get read error on unaccessible luns, and hangs there for a long-long time. Is there a way to disable any access to some luns at boot time, and later? I found a filters for device ignoration for LVM and MULTIPATH, but it not help during boot process. Generally, lvm still affected too despite of filter, and gives me a IO error on every operation like lvdisplay and vgdisplay, but this is another question.

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• LAMP/TURNKEY LINUX/VIRTUAL BOX: Manipulating Files on a Virtual Machine

  - by aeid

  Hi, I am running Ubuntu 9.10 and I want to install turnkey linux's LAMP server on my machine to test out my code. I installed Turnkey LAMP via VirtualBox and it seems to be working because I can access the http://localhost. My question is: How do I manipulate files via VirtualBox? For example, if I had installed LAMP on my machine (not on a virtual machine), I could easily add/edit/delete files in the var/WWW folder. Where is the equivalent of "WWW" folder on Virtualbox and how can I interface with it? Thanks,

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• How to get Facebook-Feeds in Trillian without connecting to Facebook-Chat?

  - by Protron

  I installed the trial of Trillian 5.0 Build 22 (I don't know if the version 4 Astra is any different). I successfully added my Facebook account so I can see my facebook news on Trillian and works great. The problem is that I don't want to use the Facebook-chat, and if I disconnect the Facebook-chat the rest of the facebook stuff (news, events, groups, request) also disappears. I tried by setting the Facebook status to Away; and I'm not sure if someone can chat with me if I choose that; but anyway I still have the contacts list full of people I don't want. EDIT: Maybe I wasn't clear enough about the Facebook part. And that might be why some people fell this is off-topic. But when I talk about Facebook in this question, I'm not referring to the Facebook site at any point. I'm mean the Facebook plugin of Trillian (and it's not an user plugin; it's a built-in plugin).

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• SMTP Relay through exchange

  - by John

  Hi guys, We have a bit of a problem in that we want our printers to email our contractor whenever they develop a fault. The problem is on our corporate network we have no access through the firewall to the internet preventing us to use the external SMTP server. So i suppose the question is can we use our exchange server to do this? IE could I run an SMTP service that would forward to the exchange server which would then send the mail to the contractor? Any ideas welcome! Thanks John

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• (Tough) Security Queston about ISP companies

  - by buyrum

  I want to ask a question. One ISP was criticized for it's low security conditions, and when i heard this i started to think: If one gets an unauthorized access to the mainframe computer / internal network of the ISP, then wouldn't he be able to sniff all the traffic ? Because the ISP is providing the internet connection for the user so all traffic that sends and transmits a user travels via the ISP, right ? What security solutions (talking about computer security) are being implemented by other ISP in order to protect themselves and their users ? If all the connections are being sent via a special computer, how secure it is and how can be we sure that it's really safe ? And what kind of computers are those who serve as backbones for the ISP ? Thank you in advance for your help.

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• HP ProCurve GVRP Setup

  - by Matt

  I'm trying to setup GVRP on my 4 ProCurve switches. Currently I have a Layer 3 3500yl-24G (J8692A) which is connected to 3 Layer 2 2510G-48 (J9280A). I have three trunk ports setup on the 3500 connected to the 3 switches and currently everything seems to be working, the devices are talking to eachother and GVRP is pushing its configurations from the 3500 to the 3 other switches. My question is, once GVRP is setup, how exactly do I configure the ports on the 3 L2 switches to use the correct VLAN? I'm new to ProCurve network equipment and this is much easier to setup on Cisco equipment.

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• Virtual Sound Card for Windows Server?

  - by Ian Boyd

  i have some software running on a server which requires a sound card to be installed. i'm trying to find a virtual, or emulated, sound card driver for Windows 2000 Server. It doesn't have to play anything, send streams anywhere, or do anything. It just has to be there. Note: This is a physical machine, but i want the solution that will port to a Microsoft Virtual Server machine running Windows 2000 Server. (in other words, buying a sound card will not work) i've already tried the REaudio driver from MixW; it does not work (no sound card virtually appears in the system). Update: 1k views? Obviously people are finding it an interesting question to keep stumbling across it. Up-vote it!

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• How to create a Linux user without a password but being able to set it?

  - by Leonid Shevtsov

  I have a username and an SSH key for a (hypothetical) guy and I need to give him admin access to a Linux (Ubuntu) server. I want him to be able to log in via SSH and then set his password by himself over a secure connection, instead of passing the password around. I know how to make the password expire and force him to reset it on first login. But this doesn't work unless he has some password already, which I then have to tell him. I thought about making the password blank - SSH wouldn't allow login, but then anyone can su into the user. My question is, is there some best practice to creating accounts in such a way? Or setting a default password is unavoidable?

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• change default username when ssh to another pc

  - by Tom

  When I ssh between different pcs I can omit my username (tom) and just type ssh pc_name instead of ssh tom@pc_name I like this feature, and have got into the habit of using it. Unfortunately, on one of my computers I went for the user name tommy. Everytime I connect to this computer I forget to write tommy@creative_pc and wonder why my password doesn't work. Is there a way to tell ssh what user name to use when the username is omitted? Edit: Just found the following question that is similar: How to make ssh log in as the right user? It didn't come up on my initial search.

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• APCUPSD and Hyper V R2

  - by Jason Berg

  I'm about to deploy a Windows Server 2008 R2 machine with the Hyper V role. I'd like to get away from having to use a network management card with my APC UPS as I'm only shutting down 1 server (it just seems like an unneeded point of failure). I'd like to look into using apcupsd instead. Will this work properly if I use a serial connection? Have you got it working yourself? How is the SNMP monitoring? I really like being able to easily monitor my UPS with SNMP when powerchute is installed. Will I be sacrificing this completely? Is the network management card really the way to go with this? If so, why? Bonus question: Is there a better UPS out there that I should be recommending in the future?

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