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• Windows 2008 R2 on ESXi 4.1 cpu utilization kernel high

  - by MK.

  I have a Win2k8 guest running on ESXi 4.1. The host has 12 cores and the problem happens even if the guest is the only VM on the host. We have 4 cores dedicated to the guest. We noticed that network starts chocking when the CPU load goes up. After some testing we noticed that when running a simple CPU hogging tool set up to run 3 threads at 100% the regular CPU load goes to 75% like it should and the "kernel times" graph in task manager goes up to 25%. My intuition tells me that the network problem and kernel times problem are the same. This is confirmed by another similar VM we created on the same host which doesn't have either of the problems. VMWare tools are obviously installed. The nic is e1000. What else can we do to troubleshoot this?

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• Forward Request to Multiple Servers

  - by cactuarz

  We have 2 servers. One is old server and another is the new one. Currently we about doing a migration because the old server is not capable enough to handle everyday requests. The specs are: Old server Ubuntu 10.04 Nginx as Reverse Proxy Apache WSGI Python/Django New Server Ubuntu 10.04 Nginx Gunicorn Python/Django Celery+Redis Our manager asked us to research if the old server can perform multiple forwarding to all incoming request, for example, set Nginx of old server to forward all request to both old and new server. The purpose is to perform unit testing to new server using old server as comparer, see if the new server is ready to take over the role. Please help, if there is an idea, or must install some engine, or what we do is impossible. Many thanks.

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• Let a program (called by other program) run as admin without prompt

  - by DarkGhostHunter

  As you may know, Steam doesn't like no-admin accounts for installing games or whatsoever. In my case, I have a user in my computer that usually install a lot of games and every time I have to put my password to successfully play them. Blame, /bin/SteamService.exe. I came up with a solution: using RunAs to make Steam run as the admin user. But that is a potential security risk. So instead of that, I'm asking if is possible to do the following: Hot to run SteamService.exe with high trust levels (or admin privileges) automatically when Steam calls it? That way he can play and install games in Steam leaving the rest of the system alone. I don't mind if the user has to click "yes or no", but without prompt its better because some games asks every time they're executed.

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• UNC access to TFS SharePoint doesn't work

  - by RobSiklos

  We are using TFS2010 with the SharePoint document portal. We are trying to access the files in SharePoint using UNC paths (e.g. \tfs2010\sites\DefaultCollection\MyProject) and it just plain doesn't work. From my workstation, I actually get different behaviours depending on the path. Case 1: Path = \tfs2010\sites\DefaultCollection\MyProject\ Result: windows explorer reports a network error "Windows cannot access \tfs2010\sites\DefaultCollection\MyProject\" Case 2: Path = \tfs2010.mycompany.com\sites\DefaultCollection\MyProject\ Result: Windows Security dialog pops up asking for my username and password. I tried entering all combinations of my windows username and password (with and without the domain before the username), but no matter what, my credentials are not accepted. I have no problems accessing the SharePoint site through the web portal - it's just UNC which doesn't work. There doesn't seem to be anything relevant in the event viewer on the server. Anyone have any idea what could be the problem?

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• Gmail/Facebook/Hotmail not opening in Firefox/IE on Windows 7 Home

  - by singlepoint

  Hi, I am unable to open Gmail/Facebook/Hotmail on Firefox/IE on Widows 7 Home. I just unboxed a brand new hp laptop with Norton Security Suite running inside. I get following error message on Firefox. Please help. The connection has timed out The server at www.google.com is taking too long to respond. * The site could be temporarily unavailable or too busy. Try again in a few moments. * If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web

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• How to setup Apache 2.2 (prefork) with mod_fcgid to test a C++ application?

  - by skyeagle

  I have written my first fastcgi application (C/C++), and I need to test it to ensure that it is behaving the way I expect it to. I have searched for examples on setting up Apache 2.2. with mod_fcgid, but all of teh tutorials etc I have seen, relate to PHP, Python, Perl etc. Is anyone aware of a resource that shows how I may setup Apache to use mod_fcgid (NOT mod_fastcgi) to test my binary? If no online resource is available (I'd be surprised), then could someone please point out the steps required to do the testing?

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• Duplicating an instance into a new VPC from a Snapshot

  - by Remmus

  We have a group of instances in an Amazon VPC we use for our live environment. We have a big release to do and want to test that the deployment will run smoothly. I have created a second VPC, created instances of the same size on the same private ips and then removed their original volumes and attached new volumes that were created from snapshots of the live environment. Unfortunately none of the instance will allow me to connect. They start running fine, but I don't get any system logs appear and can't connect. The only thing I can think of is that the new instance was created from a new AMI as the old one is deprecated due to new security fixes. Is this a problem? If so can I fix it in any way? And if this isn't a problem, does anyone have any ideas how I can fix it?

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• IPSec VPN IP addresses

  - by Randomblue

  I have an IPSec VPN on my Windows 7 machine (all using the native Windows 7 gateway). The host I am connecting to has different ISAKMP "Phase 1" and "Phase 2" IP addresses. As I understand, the Phase 1 address is that of the IPsec endpoint, to which I can connect just fine. The Phase 2 address is found in their "crypto map", and the addresses need to match. At the moment, both my Phase 1 and Phase 2 addresses are configured the same. On my side, I get the error "Error 791: The L2TP connection attempt failed because security policy for the connection was not found" How can I configure the Phase 2 IP address for my Windows 7 IPSec VPN to be different to the IPSec endpoint address?

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• Tomcat Failed to start

  - by user530158

  I have installed Tomcat on windows XP through the Tomcat installer. I have installed JDK 1.6. But when I start Tomacat from services.msi on XP, I get the following error: java.lang.ClassNotFoundException: org.apache.catalina.core.AprLifecycleListener at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at sun.misc.Launcher$ExtClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.commons.digester.ObjectCreateRule.begin(ObjectCreateRule.java:204) at org.apache.commons.digester.Rule.begin(Rule.java:152) at org.apache.commons.digester.Digester.startElement(Digester.java:1286) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)

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• How can I open a port in OS X 10.6?

  - by Ian

  Mine is MacBook Air, so I cannot plug to the modem directly. And I do want to turn my firewall off. How can I specify to open a port, like port 56789 in Mac OS 10.6.8? I know in old Mac OS, there is a option for me to specify a custom port. But I cannot find it in OS X 10.6.8. In System Preferences / Security / Firewall, I only can allow an APPLICATION to access a new port. However, now I'm programming, using a new port. So, it seems not suitable for me. So, can I simply open a port instead of using an Application to open a port?

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• Authenticating SSL in Paros Proxy

  - by Chevi

  I need to inspect some traffic from my iPhone to debug an application, which is going and coming from an https address. Since I don't have a Mac at the moment, I tried with Paros proxy, which I had used before. It's working fine with http connections, but whenever I try to open a website with SSL encryption in Mobile Safari it says that the certificate is not trusted. I can "Continue" and it would work, but not on Applications. How can I set up a trusted certificate with Paros and the iPhone? Thanks in advance, Alex UPDATE: I'm going to try and create my own SSL certificate for testing with Windows' MakeCert UPDATE 2: For some reason I could get Windows SDK to install, so I haven't tried this yet...

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• Setting up Apache directory root behavior

  - by Corey

  I'm running Apache on a Windows machine for local testing and I'm new to it. Currently, if I navigate to localhost/ in a web browser, it will display an index.html page if one exists. Otherwise, it will display the directory listing. How can I make it so that navigating to a root directory will display more than index.html? What I need is so that if either: index.html, index.htm, or index.php exist, it will navigate to one of those. How can I disable showing directory roots? I would like it to return a 403 Forbidden error if no index page exists.

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• Browser keeps being really rude to me today

  - by j-t-s

  Hi All I've had this problem only once before, years ago. I bought a new computer the other day and last night I visited a website which Google Chrome suspected was an insecure site. So I proceeded to view the page anyway (Stupid, I know... But I was curious), and all of a sudden the window closed and ever since, every few minutes either Google chrome or Internet Explorer keeps popping up with random websites, most of which are porn-related sites. I have downloaded ZoneAlarm, IOBit 360, Eset Smart Security and none of them reported any problems. I still have the rube browser problem. Can somebody please suggest any software/ways to fix this? (Other than to reformat please :)) Thank you :)

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• Does Windows 8 Need New, Specialized Drivers?

  - by Synetech

  It seems like an obvious question, but I’m having a difficult time finding out if Windows 8, with all its changes, will require new, specialized drivers. I see that a lot of manufacturers have started releasing Windows 8-specific drivers for their hardware, but what about those that are not, will Windows XP or 7 drivers work or have they changed the driver/system/security architecture again, thus requiring new drivers? The closest thing I could find to an answer was a thread in which it was mentioned that the display driver model was again updated, thus requiring new display drivers, but not much else (e.g., audio cards, printers, chipsets, etc.)

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• SQL Server 2008 Snapshot Replication Trigger Start

  - by Chris

  I have setup a production server and a staging server. Whenever we are at the point in our release cycle where we want to begin testing on staging I want to copy the production DB over to our staging server. I have setup snapshot replication to do this and have setup the staging server to have a pull subscription to the production DB. I want my continuous integration server to be able to kick off this process. How do I programmatically trigger a snapshot to be created and replicated? If there is a way to trigger this process is there a way to know when it's finished?

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• How do I use rsync to sync my repo on my mac to university server where I have ssh access?

  - by snihalani

  I need to use my university's ssh access and run my programs there for testing. I don't have sudo access there. It doesn't have vncserver there either. I would work with vim and make but I need git at least. Now I am looking into rsync to sync my current source directory into a remote directory and I'll ssh into the directory and run my make file to test it. I am looking at the man page of rsync and it looks very complicated. Can anyone please help me with this? I have googled in superuser and all commands seem different for different cases. Can anyone please help me with this?

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• How to find dom0 name from hosted domU

  - by svigan

  I'm actually testing RHEL 5.3 with Xen between two servers in order to have a disaster recovery solution. So I'm playing with moving my domU from one dom0 server to the other server. Unfortunatly when somebody else move the domU I don't have any clue where my domain is hosted. I'm wondering where I can't find my dom0 name with inside domU. I'm looking for something like the gzonename command on a solaris sparse zone. I check inside /proc/xen but I don't see anything special except the dom0 kernel release. Does anybody know a wait to find this ?

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• Using Dropbox API instead of a FTP server.

  - by Somebody still uses you MS-DOS

  This is a small aplication scenario. Usually, when you have to do some backups of source code/database on your server, you use a second ftp server, a cronjob to tar.gz your db dumps and source files, and send this file to your ftp server from your application server. Dropbox created an API to use it's infrastrucutre. Since they provide 2gb for free accounts, I thought about being able to upload to it instead of a ftp server. So, if you do some freelance work, you can create a free account for each client and use this approach, maybe encrypting the files you send. You even gain a revision for each sent file, like a revison control system, for free, from the last 30 days. What do you think of this approach? Is it possible? And, more importantly: what are the security risks involved? (That's why I'm asking this on serverfault, since this POV from sysadmins will be more accurate). Thanks!

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• Grails SSL TOMCAT

  - by user974459

  I'm implementing grails with SSL and deployed to tomcat 7.0. I have used spring security plugin for SSL. In tomcat, I added <Connector port="80" protocol="HTTP/1.1" connectionTimeout="200000000" redirectPort="443" /> <Connector port="8443" protocol="HTTP/1.1" connectionTimeout="200000000" redirectPort="443" /> <Connector port="443" maxThreads="200" scheme="https" secure="true" SSLEnabled="true" keystoreFile="${user.home}/.keystore" keystorePass="123456" clientAuth="false" sslProtocol="TLS"/> if I type https://localhost is ok. But my app doesn't work.

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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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• How can I tell which laptop touch-screens work well with a stylus (for drawing/taking notes)?

  - by BlueRaja

  I'm looking for a laptop with a touch-screen and stylus for drawing/note-taking. I've read the difference between the different kinds of styluses, but that's only half the story - what about the touch-screen? How do I know if the touch-screen supports "palm-rejection"? Or if the included stylus is a capacitive stylus or a "Wacom digitizer"? Or if the screen will even support Wacom? How can I tell how accurate the touch-screen is (from my testing, some definitely seem to have higher "resolution" than others)? Is there anything else I should be looking at? I don't see any of this information on, for instance, the Newegg specs page for a laptop.

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• How does the "Full Control" permission differ from manually giving all other permissions?

  - by Lord Torgamus

  On Windows Server 2003, and some other versions of Windows, the Properties > Security tab of a folder's or file's context menu provides "Allow" and "Deny" options for "Full Control," "Modify," "Read" and other permissions (graphic provided). After clicking "Full Control," all boxes in the column — except for "Special Permissions" — get automatically checked. What's the difference between checking "Full Control" and just checking all the other boxes individually? Are there hidden/advanced permissions toggled by "Full Control" that aren't listed in the main permissions window? Is "Full Control" just a convenience shortcut?

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• Moving cpanel backup of magento site to VPS

  - by user2564024

  I was having my site in shared hosting, I took the entire backup, its structure is like addons homedir mysql resellerpackages suspendinfo bandwidth homedir_paths mysql.sql sds userconfig counters httpfiles mysql-timestamps sds2 userdata cp locale nobodyfiles shadow va cron logaholic pds shell vad digestshadow logs proftpdpasswd ssl version dnszones meta psql sslcerts vf domainkeys mm quota ssldomain fp mma resellerconfig sslkeys has_sslstorage mms resellerfeatures suspended Now I have subscribed to vps, I have copied the files inside homedir/public_html to var/www/html of my new hosting, but am seeing the following error when I view it browser, There has been an error processing your request Exception printing is disabled by default for security reasons. Error log record number: 259343920016 I have just created database with name magenhto inside mysql. Previously I had cpanel and used one click installer. Hence am not aware of how to use that data inside mysql to this new system and are there any more changes.

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• Hardware changes to require XP Activation ? (for a Virtual Machine)

  - by NVRAM

  I have WXP-64 running on a VM and, for testing and performance reasons, I would like to occasionally change the allocations for it. Changes might include: Number of CPU cores, Amount of RAM Add/remove network adapters. But I'm concerned that XP will demand re-activation and that I might eventually have licensing issues if I do this. So, can anyone tell me: What kind of changes trigger re-activation in XP? Is there limits or caveat with regard to re-activation? I've perused this question and the article it references, but wanted more recent and verified info. (FWIW, I'm not trying to cheat: the OS copy was purchased explicitly for the VM.)

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• Build Advise for Home Web/NAS Server with Ubuntu Server 12.04 [closed]

  - by razor7

  I need to have a personal Webserver with NAS capabilities. The Webserver to test some LAMP projects I develop for clients, and also NAS to be able to stream media to local network. I want to have full control of the box, so I'm planning to build it with some spare parts and Ubuntu Server. The services/software that will run are (remember, is for personal and testing use only): SAMBA/CIFS SSH Server Apache 2 MySQL 5 Mercurial Repo PHP 5.3 Ruby on Rails OwnCloud Dovecot Webmin Postfix PureFTPd ClamAV The Hardware: Intel Dual Core E2180 2.0 GHz MSI P35 Neo Kinkston 1GB DDR2, 667 MSI Nvidia 7300le PCIe x16 256mb RAM HDD SATA WD Green 2TB x2 (RAID-1 with MDADM RAID Controller) 16 GB USB Pendrive (For server system installation) My idea is to build this system, using the pendrive for the Ubuntu Server software, and packages, and the RAID-1 for gross data storage. What do you think? Thanks a lot!

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