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• What are industry standards and professional best practices in network hosts naming? [closed]

  - by Ivan

  Possible Duplicate: Naming convention for computers It seems an important and difficult dilemma for me how to name network hosts (routers, servers (while a server can be a router and host diverse services at the same time), virtual machines (while they host important services and can migrate), workstations and notebooks (using pc-username is not the best idea as users may change), printers & MFUs, surveillance IP cameras, etc). Are there known and accepted best practices for this task? Excuse me if there already was a similar question here (I think it probably was), I haven't found it.

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• Problem with using sysprep tool for running Windows on a different Hardware

  - by Usman Ajmal

  Hi, I am using sysprep tool for running Windows 7 on a different Hardware. What I do is that run sysprep on a computer, select System Audit, check the Generalize check box, select Shutdown, click OK and wait for the computer to shutdown. When the system shuts down, I remove the hard disk from my computer and plug it into another computer having different Hardware. Then I turn ON the computer and after a series of operations (including one reboot), I eventually get to the Desktop of Windows on the changed hardware computer BUT the problem is that System Preparation Tool's start up automatically. I rebooted the computer but the System Preparation Tool start up each time. One more thing that noted was that computer gives a message at each reboot before loading Desktop that "System is now preparing your computer for first use". Any idea how can i get a clean Desktop after performing sysprep? or is there any step I am missing? Thanks a lot

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• Using a cell phone as a PC remote control

  - by Mahmoud Hossam

  I have a sony ericsson phone that can control any PC using bluetooth, as long as it has permission to do so, of course. It doesn't require any server software of any kind, it just works out of the box with any PC (or mac) that is bluetooth enabled. Is there any program I could use that has the same functionality? I don't want to install anything on the PC, I just want to be able to use the program installed on the phone. I prefer Java ME/Android/Symbian apps, I don't have an iPhone.

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• How do I configure an interface to have *both* a DHCP address and a static address in Ubuntu?

  - by Paul Hoffman

  In a lab setup, I want eth0 on a Ubuntu server box to get a DHCP address for talking to the outside world, and I also want to assign it a static 10.x.y.z address for talking to other boxes on the local network that have 10.x.y.z addresses. I want to do this by editing /etc/network/interfaces. The man page for /etc/network/interfaces is modeled after "here's a bunch of examples, I hope you can figure out the actual rules on your own". I don't see a way to give one interface two addresses using two different methods (static and dhcp), and initial fumbling didn't produce useful results.

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• One Linux server has two timer

  - by garconcn

  The time on one of our Linux box is very weird. Whenever I call date 3 times, the 4th call will give a wrong time(usually 1 hour later). I have setup cron to sync with ntp server. We have 20+ similar servers, only this one has this problem. Any idea? Thanks. Linux 2.6.18-6-686 #1 SMP Thu Aug 20 21:56:59 UTC 2009 i686 GNU/Linux :~# date Fri Jun 11 17:00:51 PDT 2010 :~# date Fri Jun 11 17:00:52 PDT 2010 :~# date Fri Jun 11 17:00:53 PDT 2010 :~# date Fri Jun 11 18:14:12 PDT 2010 :~# date Fri Jun 11 17:00:55 PDT 2010 :~# date Fri Jun 11 17:00:56 PDT 2010 :~# date Fri Jun 11 17:00:56 PDT 2010 :~# date Fri Jun 11 18:14:15 PDT 2010 :~# date Fri Jun 11 17:00:58 PDT 2010 :~# date Fri Jun 11 17:00:58 PDT 2010 :~# date Fri Jun 11 17:00:59 PDT 2010 :~# date Fri Jun 11 18:14:18 PDT 2010 :~# date Fri Jun 11 17:01:01 PDT 2010 :~# date Fri Jun 11 17:01:01 PDT 2010 :~# date Fri Jun 11 17:01:02 PDT 2010 :~# date Fri Jun 11 18:14:21 PDT 2010 :~# date Fri Jun 11 17:01:03 PDT 2010 :~# date Fri Jun 11 17:01:04 PDT 2010 :~# date Fri Jun 11 17:01:05 PDT 2010

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• ESXi 5 network performance is slow

  - by R D

  We just did a fresh install of ESXi 5 on a host that was running ESX 4 before. Nothing has changed hardware wise. After the upgrade network performance is much slower. Even copying a big file from one VM to another VM within same virtual switch is slower compared to other hosts that are running ESX 4. Network cards are auto-negotiating at 1Gbps as were on ESX 4 prior to upgrade. All settings are default and I haven't played with Advanced Settings at all. Before opening a case with vmware, wanted to know if I am missing something or if others have experienced similar issues and found a fix?

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• Can I have different ESX hosts accessing the same LUN over different protocols?

  - by Kevin Kuphal

  I currently have a cluster of two ESX 3.5U2 servers connected directly via FiberChannel to a NetApp 3020 cluster. These hosts mount four VMFS LUNs for virtual machine storage. Currently these LUNs are only made available via our FiberChannel initator in the Netapp configuration If I were to add an ESXi host to the cluster for internal IT use can I: Make the same VMFS LUNs available via the iSCSI initiator on the Netapp Connect this ESXi host to those LUNs via iSCSI Do all of this while the existing two ESX hosts are connected to those LUNs via FiberChannel Does anyone have experience with this type of mixed protocol environment, specifically with Netapp?

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• Windows Media Center says "Searching for tuners" when I try to play live TV

  - by Louis

  After upgrading from Windows 8 Pro with Media Center to the 8.1 preview, I need some help in being able to watch live TV again. When I try to now, it says Please Wait. Searching for tuners. I tried reinstalling the software for the Hauppauge WinTV DCR-2650 TV tuner, and upgrading the firmware for both the tuner and the Cisco STA-1520 tuning adapter. I also tried swapping around the USB ports, cold-booting the devices, and running the Set Up TV Signal setting in WMC, but that says The TV signal cannot be configured because a TV tuner was not detected. Both devices look fine in Device Manager, reporting the "This device is working properly" status. I'm not sure if this is related, but I did have some network connectivity issues immediately after upgrading to Windows 8.1 where my either my subnet mask or default gateway was missing, and since the TV tuner shows up as a network device, I wonder if that might be related. However, I really don't know how those settings should look and Hyper-V sort of further complicates things with the virtual Ethernet adapters:

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• How to install Vips on CentOS?

  - by A4J

  I am trying to install Vips on my CentOS box I've downloaded the latest files: wget http://www.vips.ecs.soton.ac.uk/supported/current/vips-7.30.0.tar.gz wget http://www.vips.ecs.soton.ac.uk/supported/current/nip2-7.30.1.tar.gz And on ./configure I get: configure: error: Package requirements (glib-2.0 >= 2.6 gmodule-2.0 >= 2.4 libxml-2.0 gobject-2.0) were not met: No package 'glib-2.0' found No package 'gmodule-2.0' found No package 'gobject-2.0' found However I have tried yum install glib2 and rerun ./configure but get the same error. Am I doing something wrong? Anyone know how to install it correctly on CentOS 6?

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• Cleanup pending installation

  - by harper

  I have an old PC with Windows 2000 that I want to reanimate. Each time I start the PC I see a dialog box "Windows Installer","Installation wird vorbereitet." (Preparing installation). I can cancel that installation and work with that PC. But I don't know what installation was pending. There is a more severe problem: I cannot install or uninstall any other software since I get this hanging dialog again. It lasts forever taking no CPU time. How can I cleanup the pending installations registry to make misexec usable again?

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• Windows Explorer is blank

  - by Scott Mitchell

  I am using Windows 7 Utlimate x64. Once a week, or so, when I boot up n the morning and launch Windows Explorer it shows up blank, as the following screen shot show. Clicking on my Computer doesn't load anything. Interestingly, I can go the the Address bar at the top and type in a folder name. This brings up that folder's files and subfolders, but as I drill around the tree of folders on the left only shows the immediate folder and not its siblings. There's no plus icon to expand the folder, etc. My usual "solution" is to reboot, which typically brings everything back to normal, but this is a frustrating remedy. Any idea what's going on and how to fix it? Some Googling turned up this discussion, but the remedy was to uninstall a particular piece of software that I don't have installed (Virtual Clone Drive). Thanks

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• how to reset the IIS settings ..

  - by infant programmer

  I had been practicing ASP on my local machine.. I just wanted to change the TCP port address to 8080 and that is what I did, since then the URL "http://localhost/" is showing PAGE CANNOT BE DISPLAYED, and technical reason being shown is : "You have attempted to execute a CGI, ISAPI, or other executable program from a directory that does not allow programs to be executed." I tried to change back the TCP port address to 80, (which is default) but its not making any difference. What should I do now, to make localhost to work as before ? When I create a virtual directory for the same path "C:/InetPub/wwwroot" then it works but with this URL "http://localhost/virualname/filename.asp" .. where as "http://localhost/filename.asp" throws error, as mentioned above. Can you please explain me what is this consequence is?? thank you :) Details: IIS verion is 7, OS XP,

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• Changing default gateway on workstations connected to Windows Domain SBS server

  - by Gary B2312321321

  We have xp workstations connected onto a small business server acting as active directory/isa firewall/proxy (no dhcp). Is there a reason that after installing a 2nd firewall on the network (same subnet etc), that changing the default gateway on the workstations isnt sufficient to route inet traffic through the new firewall? A freshly setup linux box connects straight on to the alternate firewall with just ip, default gateway. dns settings. Will having ISA still active on the network confuse the process? Are there further config settings deeper down in windows that need attention? Any ideas pointers on this would be appreciated? Other info: Firewalls tried: Smoothwall and Ipcop; small ethernet netwoork 40 pcs; can ping to new firwalls from workstations; activating web proxy on new firewall and reconfiguring workstation browser works fine; Point of 2nd firewall is lack of some necessary features on ISA for a linux app; Would be nice to have some redundancy to though

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• How do I generate a core dump from apache

  - by blockhead

  I have a script which intermittently returns a white screen of death in firefox and Error 324 (net::ERR_EMPTY_RESPONSE): Unknown error. chrome. When I try to access the script using a PHP HTTP client (like Zend_Http_Client), intermittently I get an exception (sorry I don't have the exact message on me at the moment). I suspect a segfault. This is further buttressed by the lines in my error log that look like this: [Thu Mar 18 16:03:02 2010] [notice] child pid 845 exit signal Segmentation fault (11) Now, I'm running RedHat, and I know that RedHat doesn't generate core dumps out-of-the-box. I followed the instructions here http://kbase.redhat.com/faq/docs/DOC-5353, but I'm not seeing any core dumps. How do I generate a core dump?

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• Stress test speed on a gateway?

  - by TheLQ

  I'm interested in stress testing my gateway server but am lost on how. Most of the stress testing applications I've seen only see how much load an app like Apache can handle, but not this. Essentially I want to send as many packets I can into this box with one computer on one card and see how many come out the other in another computer just to get an idea of what kind of load this can handle. I'm also interested how Snort will perform. I'm not really sure how to do this though. What tools could you recommend that could do this?

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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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• RAIDZ vs RAID1+0

  - by Hiro2k

  Hi guys I just got 4 SSDs for my FreeNAS box. This server is only used to serve a single iSCSI extent to my Citrix XenServer pool and was wondering if I should setup them up in a RAIDZ or a RAID 1+0 configuration. This isn't used for anything in production, just for my test lab so I'm not sure which one is going to be better in this scenario. Will I see a major difference in speed or reliability? Currently the server has three 500GB Western Digital Blue drives and it's dog slow when I deploy a new version of our software on it, hence the upgrade.

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• Help with Ms Access 2007 Combo boxes

  - by Yaaqov

  What's the most efficient way to "chain" combo/boxes in an Access 2007 form, so that the result of the first affected the contents of the second? I already know how to associate a combo box on a form with a query. Here's a example of my scenario: cmbCarMake Behavior: User starts typing, and list shows all manufacturers in a table starting with those characters (e.g., "Ford") cmbCarModel Behavior: Once cmbCarMake has a selected a Make, this object will limit the possible models the user can search for by only displaying models from that one manufacturer. (e.g., "F-150") Thank you for any examples/links.

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• CheckPoint SecuRemote / SecureClient on Vista 64

  - by cliff.meyers

  According to this page, CheckPoint's SecuRemote client is not supported on Vista 64: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit%5FdoGoviewsolutiondetails=&solutionid=sk36681 Unfortunately in working with the systems team they will not confirm if the other two clients (SSL Network Extender or Endpoint Connect) are supported by their environment. Does anyone know if it would be possible to do the following? Install VMware Workstation on my Vista 64 system (host) install a Vista 32-bit OS in a virtual machine (guest) Install SecuRemote VPN client within the guest (Vista 32) Get my Vista 64 machine (host) to use the VPN connection from the guest Any other ideas are more than welcome.

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• Intel Core i5-2467m - Turbo Boost not activating?

  - by Trevor Sullivan

  I have a Samsung Series 5 laptop with an Intel Core i5-2467m process @ 1.6Ghz. The processor supports Intel Turbo Boost up to 2.30 Ghz according to the specifications. The i5-2467m is a dual-core process with HyperThreading, so there is a total of four (4) virtual cores in Windows 7 SP1. http://ark.intel.com/products/56858/ I've installed the Intel Turbo Boost Technology Monitor v2.6 to monitor if Turbo Boost is enabled, and set it to "Always On Top." I followed this process to max out the CPU: Open (4x) PowerShell instances Set each instance's affinity to a distinct CPU vCore Ran this code in each instance: while (1 -eq 1) { } Unfortunately, after maxing out all 4 cores, my laptop got hot, but Turbo Boost never kicked in. Any ideas on how to ensure that I'm getting the 2.3Ghz Turbo Boost capability of my laptop?

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• OpenSUSE Yast permissions for user

  - by pajton

  I have an OpenSUSE 11.4 box with Kde 4.6. I am currently working to create a sandbox environment for the user, let's call hime bob. Bob isn't allowed to do much in the system, but I'd like to let him configure certain things in yast. I have dektop shortcuts for particular yast modules, e.g. the shortcut executes xdg-su -c "/sbin/yast2 lan" to launch yast lan configuration. Now, I do not want Bob to have to enter password to launch this configuration (just please don't tell me it's insecure - I know this, in this particular setting it is going to be OK). I wanted to do this with setuid, but obiously setting it on *.desktop shortcut doesn't work. There is sudo approach, but I would have to allow Bob to use all yast modules. So, is there anything more fine-grained to set the permissions for exact yast modules? Thanks in advance!

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• Best solution for Multi-WAN failover (inside & out)?

  - by Sean O

  Looking for a way to setup 2 ISPs in failover mode, for both incoming & outgoing traffic, for our small (<100 devices) network. The leading contender for now seems to be the Peplink Balance 310. However, a reseller I spoke with said it's great for 100% outgoing connectivity, but didn't seem to be confident in its abilities to handle incoming traffic. This is important as we host our own web site, Exchange e-mail, and virtual desktops (RDP). Do any Peplink owners use this for failover of incoming traffic? Are there other devices I should be considering? We're currently using a Cisco 1800 series router & ASA 5500 series firewall, with Comcast & T-1 lines (the goal being to replace the T with DSL/FiOS {whenever that becomes availble}). Price range: ~$1000 - $2500 USD. Thanks.

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• Apache default NameVirtualHost does not work

  - by Luc

  Hello, I have 4 Name Virtual Hosts on my apache configuration, each one using proxy_http to forward request to the correct server. They work fine. <VirtualHost *:80> ServerName application_name.domain.tld ProxyRequests Off ProxyPreserveHost On ProxyPass / http://server_ip/ ProxyPassReverse / http://server_ip/ </VirtualHost> I then tried to add a default NameVirtualHost to take care of the requests for which the server name does not match one of the four others. Otherwise a request like some_weird_styff.domain.tld would be forwarded to one of the 4 VH. I then added this one: <VirtualHost *:80> ServerAlias "*" DocumentRoot /var/www/ </VirtualHost> At the beginning it seemed to work fine, but at some point it appears that the requests that should be handed by one of the 4 regular hosts is "eaten" by the default one !!! If I a2dissite this default host, everything is back to normal... I do not really understand this. If you have any clue... thanks a lot, Luc

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• Best way to automatically synchronize files between Linux and Windows

  - by Gregory

  My first choice was rsync but it caused some issues and is too manual. My second choice, currently under evaluation is Unison. Are there any other good options for bi-directional auto-syncing? The synching tool cannot add it's own files to the directories to be synched. Which removes CVS/SVN as a choice. Plus they are too manual. The requirements are user-level program on both sides, no root account access available. Only scanning on linux. On windows it could be a virtual drive/path. Very fast and efficient like rsync. Some other requirements include: machines are not on the same network, files cannot fall into the wrong hands, nor can they be handled by 3rd parties, this pretty much excludes all online storage sites.

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• Problem with regsvr32 on Windows Server 2010

  - by Chris Anton

  Hi all! I am attempting to register a basic COM dll on a Windows Server 2008 standard box. I run regsvr32 capicom.dll and it reports DllRegisterServer in capicom.dll succeeded. This is the same process we've used for years on Windows Server 2003. Sadly, when I attempt to create the object via a very very basic Microsoft vbscript example Set oStore = CreateObject("CAPICOM.Store") it throws a "ActiveX component can't create object" error. Thinking maybe it was a problem with this dll, I tried a few other DLLs we use with the same result. I tried using the regsvr32 in system, system32, and syswow64 all with the same result. I don't know too much about the differences between each of those, but figured it was worth a shot. The dll is being stored on the d:\ and seems to have correct permissions (though that'd be a different error altogether). Thanks to any help or thoughts you might have!

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