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• Use ubuntu server 10.04 as a virtulization server as esxi from VMWare

  - by hitham

  I was wondering if its possible to use Ubuntu server as virtualization center as ESXi Vmware? I am asking this coz i read this in ubuntu website: "Ubuntu includes a Virtual Machine Builder which makes this process simple and replicable allowing multiple pre-configured machines to be deployed instantly". If its possible how can i do such thing?. with all respect. Hitham Melhem

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• How to turn one server into many servers? (Virtualization/VMWare)

  - by user1229962

  I'm hoping for a high level discussion of this problem I know is quickly approaching my application. I have a server that binds on a specific port and manages TCP Sockets from my clients. I know that it is common practice to use VMWare to virtualize servers and run multiple servers at once. How can a single server design be changed to support multiple servers? Multiple servers can't bind to the same port. If I had to guess I would say a proxy server binds to the port and then sends connections off to the other servers to be handled as if it was still a single server application. I'm wondering what options there are and what are the common practices for solving this problem? Thanks in advance!

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• Backup VM : Copy virtual disk xxx.vmdk The virtual disk is either corrupted or not a supported forma

  - by boiteavinc

  Hi I'm french. I'm student and I use ESXI4 for my studies. When I try backup my VMs, with ghettoVCBg2.pl and vSphere Management Assistant, I get the following error message on Vsphere Client : "Copy virtual disk xxx.vmdk The virtual disk is either corrupted or not a supported format". I have no error in the log VCB ; 03-23-2010 08:31:56 -- debug: Main: Login by vi-fastpass to: esxi 03-23-2010 08:31:56 -- debug: copyTask: Task START 03-23-2010 08:31:56 -- debug: copyTask: waiting for next job and sleep ... 03-23-2010 08:32:00 -- info: Initiate backup for AD_DNS_DHCP found on esxi 03-23-2010 08:32:09 -- debug: AD_DNS_DHCP original powerState: poweredOn 03-23-2010 08:32:09 -- debug: Creating Snapshot "ghettoVCBg2-snapshot-2010-03-23" for AD_DNS_DHCP 03-23-2010 08:33:19 -- info: AD_DNS_DHCP has 1 VMDK(s) 03-23-2010 08:33:19 -- debug: backupVMDK: Backing up "Raptor1 AD_DNS_DHCP/AD_DNS_DHCP.vmdk" to "Backup_VM VM/AD_DNS_DHCP/AD_DNS_DHCP-2010-03-23/$ 03-23-2010 08:33:19 -- debug: backupVMDK: Signal copyThread to start 03-23-2010 08:33:19 -- debug: backupVMDK: Backup progress: Elapsed time 0 min 03-23-2010 08:33:19 -- debug: copyTask: Wake up and follow the white rabbit, with status: doCopy 03-23-2010 08:33:19 -- debug: CopyThread: Start backing up VMDK(s) ... 03-23-2010 08:33:25 -- debug: copyTask: send copySuccess message ... 03-23-2010 08:33:25 -- debug: copyTask: waiting for next job and sleep ... 03-23-2010 08:34:20 -- debug: backupVMDK: Successfully completed backup for Raptor1 AD_DNS_DHCP/AD_DNS_DHCP.vmdk Elapsed time: 1 min 03-23-2010 08:34:22 -- debug: Removing Snapshot "ghettoVCBg2-snapshot-2010-03-23" for AD_DNS_DHCP 03-23-2010 08:34:24 -- debug: checkVMBackupRotation: Starting ... 03-23-2010 08:34:26 -- debug: Purging Backup_VM VM/AD_DNS_DHCP/AD_DNS_DHCP-2010-03-23--1 due to rotation max 03-23-2010 08:34:28 -- info: Backup completed for AD_DNS_DHCP! 03-23-2010 08:34:28 -- debug: Main: Disconnect from: esxi 03-23-2010 08:34:28 -- debug: Main: Calling final clean up 03-23-2010 08:34:28 -- debug: cleanUP: Thread clean up starting ... 03-23-2010 08:34:28 -- debug: cleanUp: Send exit to copyThread 03-23-2010 08:34:28 -- debug: copyTask: Wake up and follow the white rabbit, with status: exit 03-23-2010 08:34:28 -- debug: copyTask: die ... 03-23-2010 08:34:28 -- debug: cleanUp: Join passed 03-23-2010 08:34:28 -- info: ============================== ghettoVCBg2 LOG END ============================== My ghetto conf file is : VM_BACKUP_DATASTORE = "Backup_VM" VM_BACKUP_DIRECTORY = "VM" VM_BACKUP_ROTATION_COUNT = "3" DISK_BACKUP_FORMAT = "thin" ADAPTER_FORMAT = "lsilogic" POWER_VM_DOWN_BEFORE_BACKUP = "0" VM_SNAPSHOT_MEMORY = "1" VM_SNAPSHOT_QUIESCE = "1" LOG_LEVEL = "info" VM_VMDK_FILES = "all" I tried several I tried several DISK_BACKUP_FORMAT, I have same error. Despite the error, even when I get files on the NFS share. But when I try to open the vmx file with vmware workstation. I get this error: Can not open the disk 'G: \ Backup ESX \ VM \ AD_DNS_DHCP \ AD_DNS_DHCP-2010-03-23 - 1 \ AD_DNS_DHCP.vmdk' or one of the snapshot disks it depends on. Reason: The called function can not be performed on partial chains. Please open the parent virtual disk. I have no snapshot on my VM on ESXi. Can you help me ?

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• load balancing between physical and virtual machines

  - by fefe

  First of all sorry if my question would be not relevant, I'm quite beginner. In short: I have 2 physical machines - first(Windows Server 2007, Apache 2.2) on the second machine esxi installed to host virtual machines . I have been converted my physical machine(1) on esxi(2) and in the next step I would like to deploy a load balancer between the physical and virtual machine. Would be this workaround appropriate? If yes what are the steps to follow?

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• PERC H710 mini raid controller advanced settings (BIOS)

  - by gregg

  I upgraded from a PERC h310 to an H710 controller on my Dell R620 but didnt get any increase in performance. This is a ESXi host with a 5 disk RAID 5. I noticed when going to the RAID BIOS that the advanced settings section was not activated/checked off. In that section is the strip element size: 64kb (default) read policy: no read ahead and the write policy: write-through. Will checking that section do any harm to the existing raid array or will it simply enable those policies and hopefully boost performance? Or, lastly, is it already using those policies and the checkmark is simply to activate them for changes

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• Multiple VLAN on one switch port

  - by Macropus

  I have a HP ProCurve 1810G-8 which I currently use as a normal switch between 3 servers and a firewall. 2 of the servers are ESXi hosts, and one is a Nexentastor box with 2 iSCSI target LUNs. As the iSCSI traffic is on the same LAN as all other traffic, I would like to switch this to use a SAN for iSCSI traffic and the LAN for all other traffic. The Nexentastor box only has 2 NICs, and as such, with a physical arrangement, I presume that one must be plugged into the SAN VLAN and one on the LAN VLAN ports of the switch. Is there a way to have multiple VLANs over the same port? e.g. the Nexentsator box has 2 NICs, both plugged into the switch, both ports with access to both of the VLANs?

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• Multiple VLANs in the same subnet

  - by A.J.

  Is it possible to have multiple VLANs in the same subnet, with the same gateway address (TMG)? I want to avoid having many Subnets (and vNIC's in TMG) just to isolate sets of a few hosts. IP: 10.0.0.1 (TMG server) VLAN:1 ~ 3 IP: 10.0.0.11 ~ 20 (Hosts group 1) VLAN:1 IP: 10.0.0.21 ~ 30 (Hosts group 2) VLAN:2 IP: 10.0.0.31 ~ 40 (Hosts group 3) VLAN:3 Note that I don't want them to connect to each other, so ARP/inter-vlan routing (within the subnet) is not required. The gateway is running in a VM within ESXi 5, I can pass the VLans to the VM using VGT or VLan Range, but I don't know how the OS/TMG should handle them.

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• Why does OVFTool hang randomly?

  - by Billy ONeal

  Hello everyone :) Some great helpers here have shown me the VMWare OVF tool for template deployment. My problem is that the tool itself stops at the "Disk Transfer Completed" step half the time I use it. This seems to be random, and when it happens I have to terminate OVFTool and start the transfer over again. The second attempt usually succeeds. Is there something I have broken on the server that might affect this? I'm using the free edition of ESXi 4.0. Billy3

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• Under what circumstances might an IIS6 website be automatically deleted?

  - by E. Anderson

  Late last week my colleagues did some hardware maintenance on one of our vmWare esxi servers. One of the guests is a Windows Server 2003 Web Edition system that runs our low-traffic web sites. We discovered this morning that one of those websites was no longer working with what appeared to be an SSL error. After logging in, I found that the web site in question had been deleted from IIS! Is it possible for this to happen without a user actually going in and deleting that single web site? All of the other sites were fine. The files for the site in question had not been touched. I just re-created the web site, assigned the SSL cert, and everything was working again. When I logged in, I did see the 'Unexpected Shutdown' dialog.

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• How can I know if a VM is used or not?

  - by Saariko

  I am running eSXI 4.1. In my main datastore I have plenty of folders, some of them has logical names, while the others don't, they hold BASE configurations/images of clients that I duplicate and activate. I only have a fraction of the actual clients loaded and running on the server. How can I know, but looking in the datastore folder, if the VM is in the inventory or not? If I right click on the vmx file, I can add it to the inventory - EVEN if the same client/folder is already active.

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• Why VM snapshots are affecting performance?

  - by Samselvaprabu

  I read in one of the VMware KB article says that snapshots will directly proportional to VM performance. But my team keep asking me how snapshots can affect performance. I would like to give them solid reason behind the statement that snapshots are performance killers. Can any one explain a little bit theory behind why actually snapshots are affecting the performance? Is it just because Disk I/O rate of hard disk would be slow?

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• Accessing temperature data on ESXi5.1?

  - by Ovesh

  For ESXi5.1 (VMWare vSphere) images, I can see temperature data on the vSphere user interface (under Monitor / Hardware Status). I tried scouring the available snmp data using snmpwalk, but can't find the data anywhere in there. Maybe I'm missing something. Does anybody know the right MIB for temperature data? Otherwise, ow can that data be accessed? By the way, this is a machine installed from an image provided by HP.

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• The HTG Guide To Speeding Up Your Virtual Machines

  - by Chris Hoffman

  Virtual machines are demanding beasts, providing virtual hardware and running multiple operating systems on your computer at once. Upgrading your hardware (particularly your RAM and CPU) will always help speed up virtual machines, but there’s more you can do. These tips will help you squeeze every last drop of performance out of your virtual machine, whether you’re using VirtualBox, VMware, Parallels, or any other virtual machine program. How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• How to Forward Ports to a Virtual Machine and Use It as a Server

  - by Chris Hoffman

  VirtualBox and VMware both create virtual machines with the NAT network type by default. If you want to run server software inside a virtual machine, you’ll need to change its network type or forward ports through the virtual NAT. Virtual machines don’t normally need to be reachable from outside the virtual machine, so the default is fine for most people. It actually provides some security, as it isolates the virtual machine from incoming connections. How To Switch Webmail Providers Without Losing All Your Email How To Force Windows Applications to Use a Specific CPU HTG Explains: Is UPnP a Security Risk?

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• apt-get install does not work. Gives the same error every time E: Unable to locate package

  - by SAMEER

  There is an issue, for every package that I try to install. I am using VMWare Player 3.16 & I have installed Ubuntu 12.04. The error is: E:Unable to locate package (PACKAGE NAME) Also, another problem is that there are some configuration errors. So I have to use the CLI rather than the GUI. Now if this is a network error, I'm not sure as to how to open the setting from the command prompt. Even if I get to the GUI, it might not work, as the shortcuts are not available.

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• VM can't ping LAN name but sees it via nslookup

  - by amphibient

  I am trying to connect to a network resource from my 10.04.4 VM (VMware Fusion) but the destination is unreachable by name. What is weird is that the name is visible in DNS: >nslookup my.name Server: 123.45.67.89 Address: 123.45.67.89#53 Non-authoritative answer: Name: my.name Address: 10.20.30.40 I can reach it (via ping) by the IP address (10.20.30.40) but not the name and I thought that was weird because the DNS clearly resolves the name. What can I do to enable access to this resource via the name?

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• Multicasting and VMWare

  - by John Breakwell

  Cracked a Multicasting problem this evening for one of my Canadian Tweeple. They wanted to mulitcast some MSMQ messages to another machine but nothing was arriving in the listening queue. A local queue could be configured to listen to the particular IP address/port in use and messages would arrive, though. Looking at the network traffic, nothing was going onto the wire for the IP address/port pair until they looked at traffic to the VMWare adapter. The machine had a virtual machine to simulate a remote computer and when they changed the setup from NAT to Bridge, multicasting burst into life.

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• Cann't find shared folder anymore

  - by SoftTimur

  I use VMware Fusion under Mac, and I have installed Ubuntu 12.04 and Windows 7 as virtual machine. Under Ubuntu, by "shared folder", I used to manage a common folder with Mac via /mnt/hgfs/myfolder. Under Windows, I have set up so that this folder is also accessible. But today I cann't find myfolder anymore under /mnt/hgfs in Ubuntu, while it is still accessible via Windows (and Mac of cause). I tried to restart the machine, reset the sharing settings, it still does not work. Could anyone help?

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• Paraview 3.98.1 takes too long to launch

  - by Alejo

  I have been used Ubuntu 12.10 with paraview 3.14.1 to run and visualise CFD simulations (OpenFoam and Eilmer3) and the experience has been really good up to date. When I wanted to try Ubuntu 13.01, I realised paraview 3.98.1 was the version to be installed in this distribution when running sudo apt-get install paraview. I noticed it takes way too long to launch, not to mention that paraFoam always produces an error so paraFoam -bulitin has to be used instead. Does anyone know the reason why paraview 3.98.1 takes so long to load?, is it because the new version has more feautures or Ubuntu 13.04 simply can't handle it smoother? My machine is a Thinkpad W530 with 16GB RAM 1600MHz and intel i7-3720QM. I am running Ubuntu under VMware player set-up with 4GB RAM, 2 cores and Automatic vitualization. Thanks.

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• Can I virtualize a pre-installed Windows 7?

  - by SpashHit

  I am considering buying a new computer with Windows 7 (64-bit) pre-installed. Would it be possible to install Ubuntu (preferably 64-bit) dual-boot on such a machine, and then, using VirtualBox / VMWare, etc. under Ubuntu, make a virtual machine that "points to" the existing Windows 7 OS (without making a copy of it)? Just to be clear... at the end of this process: I would have a machine that dual-booted both Windows 7 (64-bit) and Ubuntu (64-bit). If I choose to boot Ubuntu, I would then have the possibility of running a visualization of Windows 7 within Ubuntu. There would only be 1 copy of Windows 7 on the hard disk.

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• Viewing VMware Counters in PerfMon for SQL Server

  I want to ensure that my SQL Server on a VMware Guest OS is getting the resources it should. This would go a long way towards helping isolate the performance problems we're experiencing. However, our system administrators won't give us access to VirtualCenter or any of the tools they use. Is there anything I can do? Check out this tip to learn more. ‘The Case of the Missing Index’Discover the Top 5 hard-earned lessons of a DBA, presented by The DBA Team. Learn from lesson one now.

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• Sound from Ubuntu Server 10.04

  - by emilyk

  I feel like this should be a no brainer, but I just can't seem to figure it out. I am running Ubuntu Server 10.04 as a virtual machine in VMWare Fusion. I am simply trying to get there to be some sound that comes out of my laptop speakers. I have installed Alsa and MOC (followed these instructions, and it worked fine http://howto.blbosti.com/2010/03/ubuntu-server-install-alsa-sound-and-moc-music-on-console/). Especially using MOC, I can see that the song (an MP3) is playing, but I am not getting any sound out. lspci | grep audio gives me: 02:02.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 02) This doesn't seem like it should be that big of a deal, but I just can't seem to make it work. Any ideas?

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• help me about install ubuntu server 12.04 on vmware

  - by zohreh

  I want to install Ubuntu server 64-bit on vmware 8.0.2 but I face with a problem ! I don't know why ! the problem is: From here you can choose to retry DHCP network autoconfiguration (which may succeed if your DHCP server takes a long time to respond) or to configure the network manually. Some DHCP servers require a DHCP hostname to be sent by the client, so you can also choose to retry DHCP network autoconfiguration with a hostname that you provide. there are 4 option for Continuation i don't know exactly to select which option also what is The cause of the problem? thanks a lot

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• Windows Terminal Server: occasional memory violation for applications

  - by syneticon-dj

  On a virtualized (ESXi 4.1) Windows Server 2008 SP2 32-bit machine which is used as a terminal server, I occasionally (approximately 1-3 event log entries a day) see applications fail with an 0xc0000005 error - apparently a memory access violation. The problem seems quite random and only badly reproducable - applications may run for hours, fail with 0xc0000005 and restart quite fine or just throw the access violation at startup and start flawlessly at the second attempt. The names of executables, modules and offset addresses vary, although a single executable tends to fail with same modules and the same memory offset addresses (like "OUTLOOK.EXE" repeatedly failing on module "olmapi32.dll" with the offset "0x00044b7a") - even across multiple user's logons and with several days passing without a single failure inbetween. The offset addresses seem to change across reboots, however. Only selective executables seem affected by the problem, although I may simply not be seeing a sufficient number of application runs from the other ones. I first suspected a possible problem with the physical machine's RAM, but ruled this out as a rather unlikely cause - the memory comes with ECC and I've already moved the virtual machine across several times, without any perceptable change. I've seen that DEP was enabled in "OptOut" mode on this machine: C:\Users\administrator>wmic OS Get DataExecutionPrevention_SupportPolicy DataExecutionPrevention_SupportPolicy 3 and tried changing the policy to OptIn via startup options: bcdedit.exe /set {current} nx OptIn but have yet to see any effect - I also would expect Outlook 12 or Adobe Reader 9 (both affected applications) to play well with DEP. Any other ideas why the apps may be failing?

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• Windows Server 2008R2 Virtual Lab Activation strategies?

  - by William Hilsum

  I have a ESXi server that I use for testing, however, I am often needing to create additional Windows Server virtual machines. Typically, if I do not need a VM for more than 30 days, I simply do not activate. However, I have been doing a lot of HA/DRS testing recently and I have had a few servers up for more than this time. I have a MSDN account with Microsoft and have already received extra keys for Windows Server 2008 R2. I am doing nothing illegal and I am sure if I asked, they would issue more - but, I do not want to tempt fate! I have got 3 different "activated" windows snapshots I can get to at any time. If I try to clone these machines, I get the usual "did you copy or move them VM" message. If I choose copy, as far as I can see, it changes the BIOS ID and NIC MACs which is enough to disable activation. If I choose move, it keeps the activation fine (obviously, I know to change the NIC MAC - I believe I can leave the BIOS ID without problems). However, either of these options keeps the same SID code for the computer and user accounts. After the activation period has expired, as far as I can see, all that happens is optional updates do not work - it seems that the normal updates work fine. Based on this, as you can easily get in to Windows when not activated without any sort of workaround, I was wondering if it is ok just to leave a machine un activated? (However, I obviously would prefer if it was activated!) Alternatively, how dangerous is it run multiple machines on a non domain environment with the same SID? I am just interested to know if anyone can recommend a strategy for me? I have only found one solution that deals with bypassing activation - I am not interested in doing anything remotely dodgy... at a stretch, I am happy to rearm (I have never needed to keep a server past 100 days), but, I would rather have a proper strategy in place.

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