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• Accessing apache in ubuntu 10 virtualbox guest from ubuntu 10 host

  - by Francis L

  I did the following: installed VirtualBox 3.1.6 OSE in ubuntu 10 desktop. installed ubuntu 10 server on a virtual machine in VirtualBox. select "LAMP server" and "OpenSSH server" options during the ubuntu server installation. leave network "adapter 1" of virtual machine as "NAT". use "VBoxManage" described in manual to setup port forwarding on the host (Protocol: TCP, GuestPort: 80, HostPort: 8080). verify "ExtraDataItem" have been added to "ubuntuServer1.xml" (my virtual machine name) correctly. run command "pgrep apache" in ubuntu server in virtual machine to ensure apache is running. Everything went well. But, when I try to access the apache from the browser on the host with "http://localhost:8080/", it just continue fetching with no response. Now, I'm struck! Please help! Many many thanks in advance!

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• Window Management for Mac OS X

  - by Paolo Maffei

  Ok, I feel dumb. I've put many hours into this and found nothing, yet. When I was using Windows I had this little tool called WinSplit Revolution. What it did was letting you divide your screen into how many and of how much size you choose "virtual monitors". You set one time of you want to divide your monitor, then everytime WinSplit is opened the monitor is automatically divided into Virtual Monitors. Screenshots: http://www.google.com/images?hl=en&q=winsplit%20revolution&um=1&ie=UTF-8&source=og&sa=N&tab=wi&biw=1045&bih=499 I'm now using a 30' which i want almost always divided into 4 equal size "virtual monitors" (plus my mbp 13' those will be 5 1280x800 virtual monitors) Now I've switched to Mac OS X and can't find anything that does just this efficiently. I tried Divvy but I found no way to divide my screen into arbitrary "virtual monitors", I need a couple of clicks to select a 3x3 space on a 9x9 grid. Before starting coding something like this can you tell me if you already know of some software that does window management like this?

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• Cannot get SCVMM Admin Console to Connect to Hyper-V Server 2008 R2

  - by user63250

  I cannot get SCVMM Admin console to connect to Hyper-V Server 2008. I have changed all firewall settings on the server to allow for a connection, I have even tried turning the firewall off completely. I am getting this error message: Unable to connect to the Virtual Machine Manager server xx.xxx.xxx.xx. the Virtual Machine Manager service on that servier did not respond. Verify that Virtual Machine Manager has been installed on the server and that the Virtual Machine Manager service is running. Then try to connect again. If the problem persists, restart the Virtual Machine Manager Service. ID: 1602 I have tried restarting the VMMS service, and that did not work. I have posted a similar question to this before, and was told to make sure to intall the Hyper-V agent on the Hyper-V server. I was told that SCVMM can push the agent out to the server. However, if I cannot connect to the server, how can I use SCVMM to push out the agent? Thanks for any help.

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• Receiving Event ID: 10107, Hyper-V -VMMS

  - by Stargaten

  We are using physical disk on two of Guest operating systems. Is this a know issue? Do we need to have DPM 2010? "One or more physical disks are attached to virtual machine 'Myserver'. Back up programs that use the Hyper-V VSS writer cannot back up volumes that are attached to virtual machines as physical disks. To avoid potential data loss, use another method to back up the data on the physical disks. If you restore the data on this virtual machine, make sure to check the data of the physical disk for integrity. (Virtual machine ID 8EF3C0CB-967D-4D67-B4D8-7B782C7AC07C)"

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• Quantifying the effects of partition mis-alignment

  - by Matt

  I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that tells me how to actually quantify the effects of mis-aligned partitions. Some of the general information I found suggests the performance penalty can be quite high (upwards of 60%) and others say it's negligible. What I want to do is determine if partition alignment is a factor in this server's performance problems or not; and if so, to what degree? So I'll put my info out here, and hopefully the community can confirm if my partitions are indeed mis-aligned, and if so, help me put a number to what the performance cost is. Server is a Dell R510 with dual E5620 CPUs and 8 GB RAM. There are eight 15k 2.5” 600 GB drives (Seagate ST3600057SS) configured in hardware RAID-6 with a single hot spare. RAID controller is a Dell PERC H700 w/512MB cache (Linux sees this as a LSI MegaSAS 9260). OS is CentOS 5.6, home directory partition is ext3, with options “rw,data=journal,usrquota”. I have the HW RAID configured to present two virtual disks to the OS: /dev/sda for the OS (boot, root and swap partitions), and /dev/sdb for a big NFS share: [root@lnxutil1 ~]# parted -s /dev/sda unit s print Model: DELL PERC H700 (scsi) Disk /dev/sda: 134217599s Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 63s 465884s 465822s primary ext2 boot 2 465885s 134207009s 133741125s primary lvm [root@lnxutil1 ~]# parted -s /dev/sdb unit s print Model: DELL PERC H700 (scsi) Disk /dev/sdb: 5720768639s Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 34s 5720768606s 5720768573s lvm Edit 1 Using the cfq IO scheduler (default for CentOS 5.6): # cat /sys/block/sd{a,b}/queue/scheduler noop anticipatory deadline [cfq] noop anticipatory deadline [cfq] Chunk size is the same as strip size, right? If so, then 64kB: # /opt/MegaCli -LDInfo -Lall -aALL -NoLog Adapter #0 Number of Virtual Disks: 2 Virtual Disk: 0 (target id: 0) Name:os RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:65535MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 ... physical disk info removed for brevity ... Virtual Disk: 1 (target id: 1) Name:share RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:2793344MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 If it's not obvious, virtual disk 0 corresponds to /dev/sda, for the OS; virtual disk 1 is /dev/sdb (the exported home directory tree).

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• unable to ping hostname, but \\hostname\\c$ works!?

  - by ciscokid

  I'm having a strange issue on my initial lab setup. Situation: Host with OS Server 2008 R2 64bit, on this host a Virtual Machine in Hyper-V with OS Server 2008 SP1 32bit. The virtual machine has a fixed ip, and is referring to itself for the preferred DNS Server (dns server role has been installed). The host has tcp/ip set to automatic (so automatic ip from router, and dns/gateway = router). Both are able to ping each other on IP address (same ip range). Both are NOT able to ping each other on hostname (sounds logic because virtual machine dns server does not yet have a dns record for the hostmachine). But here's the strange thing: I am able to set up a working network mapping on the Virtual Machine to the host: \hostname\c$. The first thing I thougt was 'something' is blocking the ping request, so I completely disabled Windows Firewall on both Virtual Machine and host. Still pinging on hostname in both ways didn't work, yet I am able to access the network mapping on hostname. There is no extra software installed on both systems (clean windows server 2008).Can someone tell me what is causing this? I always thought: ping on IP address works = network mapping on IP address works. Pinging on hostname doesn't work = network mapping on hostname doesn't work neither. Where am I wrong? Looking forward to your advice!

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• The Alias directive ... will probably never match because it overlaps an earlier Alias.

  - by mmattax

  I'm getting this warning from Apache: The Alias directive in /etc/httpd/conf.d/foo.conf at line 10 will probably never match because it overlaps an earlier Alias. However the Alias overlaps on a completely different virtual host. Might this be caused because one alias is on a name-based virtual host while the other alias is on an IP-based virtual host? Everything is working fine, just the warning is a bit annoying...

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• vmware vmdk disk problem

  - by dmtr

  I have a VMware ESXi 4 server and 2 storage servers (mounted via nfs). Between the storage servers (Fedora 14) is a drbd cluster (dual primary) and ocfs2 filesystem; also every server has a local partition with an ext4 filesystem, both are mounted via nfs on the esxi server. When I tried to copy a virtual machine (naturally it was powered off) from the ext4 partition to the ocfs2 partition, the vmdk total file size is different, but the md5sum is the same. On the ext4 partition: # ls -la total 28492228 -rw------- 1 root root 42949672960 Jan 14 14:46 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 On the ocfs2 partition: # ls -la total 13974660 -rw------- 1 root root 42949672960 Jan 14 16:16 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 When I power on the virtual machine from the ocfs2 partition it dosn't work. I have a windows on the virtual machine and it freez?s after the windows logo. From the ext4 partition the virtual machine workes. I tested with linux (created and installed on ext4 partition and then copied to the ocfs2) and the same problem appears. When I create a virtual machine directly from ocfs2 partition, there are no problems. I tried to copy via vSphere client, and I have the same problem. Any suggestions?

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• Linux (DUP!) ping packages

  - by Darkmage

  i cant seem t figure out what is going on here. The Linux machine I am using is running as a VM on a Win7 machine using Virtual Box running as a service. If i ping the win7 Host i get ok result. root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 192.168.1.100 PING 192.168.1.100 (192.168.1.100) 10(38) bytes of data. 18 bytes from 192.168.1.100: icmp_seq=1 ttl=128 time=1.78 ms 18 bytes from 192.168.1.100: icmp_seq=2 ttl=128 time=1.68 ms if i ping localhost im ok root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 localhost PING localhost (127.0.0.1) 10(38) bytes of data. 18 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.255 ms 18 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.221 ms but if i ping gateway i get DUP packets root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 10(38) bytes of data. 18 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.27 ms 18 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.46 ms (DUP!) 18 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=22.1 ms 18 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=22.4 ms (DUP!) if i ping other machine on same LAN i stil get dups. pinging remote hosts also gives (DUP!) result root@Virtual-Box:/home/glennwiz# ping -c 100000 -s 10 -i 0.02 www.vg.no PING www.vg.no (195.88.55.16) 10(38) bytes of data. 18 bytes from www.vg.no (195.88.55.16): icmp_seq=1 ttl=245 time=10.0 ms 18 bytes from www.vg.no (195.88.55.16): icmp_seq=1 ttl=245 time=10.3 ms (DUP!) 18 bytes from www.vg.no (195.88.55.16): icmp_seq=2 ttl=245 time=10.3 ms 18 bytes from www.vg.no (195.88.55.16): icmp_seq=2 ttl=245 time=10.6 ms (DUP!)

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• What does ESXI server do

  - by Mirage

  I installed ESXI server on my machine hoping that it will be similar to workstation where i can install virtual machines. But when i installed it , it shows one screen with no options for making virtual machines. If can't make virtual machines from ESXI , then what is it used for. I formatted my Harddisk just for ESXi but then again had to install windows and then VM workstation.

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• P2V using Acronis True Image Home 10 and Windows 7

  - by Anthony

  I have a full system image using Acronis True Image Home 10 and want to run it as a virtual machine on Windows 7 Professional. I have created a virtual machine but Windows Virtual PC doesn't allow access to a USB external hard disk when booting from the Acronis Recovery CD. I've copied the backup onto the host machine and I can access it via the network using the Acronis boot CD but I'm wondering if there is an easier way? Does any other free Virtual Machine software support USB devices during boot (i.e. I can restore a backup image from the USB hard disk directly)

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• 2nd Bootable partition P2V conversion

  - by Vendoran

  I have a dual boot machine (Win7 RC and Win2008) and want to migrate one of the partitions (Win2008) into a Virtual Hard Drive and the be able to use it in VPC or Virtual Server (not Hyper-V). The ways I've seen via Linked Virtual Disks or WinImage take the entire physical drive instead of just the partition. Any ideas? Thanks in Advance, --Aaron

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• Exchange 2007 OWA returns blank page with url xxxxx&reason=0

  - by Dayton Brown

  Hi All: I've just run into an issue with my exchange OWA. It returns a blank page with the url string https://www.xxxxxxxx/&reason=0. Nothing in the logs gives me any good reasons. Here's what I've done so far; 1) reinstall Exchange roll-up 7. 2) recreate virtual directories. 3) reboot. (this was mostly a shot in the dark, but what the hell) Exchange via rpc/https is still working great. Anyone run into this before? EDIT Here is the last snippet from the OWASetupLog. doesn't look like anything blew up. [09:45:36] ******************************************* [09:45:36] * UpdateOwa.ps1: 5/27/2009 9:45:36 AM [09:45:40] Updating OWA on server HOMER [09:45:40] Finding OWA install path on the filesystem [09:45:40] Updating OWA to version 8.1.375.2 [09:45:40] Copying files from 'C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\Current' to 'C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\8.1.375.2' [09:45:41] Getting all Exchange 2007 OWA virtual directories [09:45:42] Found 1 OWA virtual directories. [09:45:42] Updating OWA virtual directories [09:45:42] Processing virtual directory with metabase path 'IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa'. [09:45:42] Metabase entry 'IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa/8.1.375.2' exists. Removing it. [09:45:42] Creating metabase entry IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa/8.1.375.2. [09:45:42] Configuring metabase entry 'IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa/8.1.375.2'. [09:45:43] Saving changes to 'IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa/8.1.375.2' [09:45:43] Saving changes to 'IIS://HOMER.DG.LOCAL/W3SVC/1/ROOT/owa'

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• Virtualbox - differencing disk based on different differencing disk

  - by Klinki

  I'm trying to create differencing image based on differencing image in VirtualBox 4.2.18. Official documentation says it should be possible: http://www.virtualbox.org/manual/ch05.html#diffimages Basically I want to achieve this drive hierarchy: + immutable image with Debian and all software installed +---- differencing image with specific configuration, autoreset=off, readonly +-------- differencing image with autoreset=on +---- another differencing image for different virtual machine +-------- differencing image with autoreset=on I successfully created differencing image based on differencing image, but I'm not able to connect it to virtual machine :( It always shows error: Failed to open the hard disk .... cannot register hard disk ... because hard disk with UUID ... already exists Here is screenshot of Virtual Media Manager and error dialog Virtual Media Manager Window screenshot Very strange is that the new differencing image (tempdrive.vdi) doesn't have Actual Size 0. I wasn't able to connect it, but still, it has 36KB of data on it... This is very similar to this older question: How to create a chained differencing disk of another differencing disk in Virtual Box? but suggested solution is not working anymore in VirtualBox 4.2.18, so I posted it as a new question. (Limit for posting links and screenshots is quite annoying..)

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• VMware and Windows Activation

  - by Peter M

  Yesterday I installed Slysoft's Virtual CloneDrive in order to mount an iso for some software installation on my host system (XP Pro SP3) This morning I fired up VMware and made a linked clone of an existing XP vm in order to do some software testing. This is the sort of thing that I do all the time, and the base XP vm that I clone was activated a long long time ago. The surprise today was that the newly cloned vm was no longer activated and XP cited major changes in hardware as the reason. I repeated the test with a full clone of the base system and got the same message. I then started up my base vm and it seemed to be activated, yet another vm (which I fully cloned from the base vm a long time ago) now started reporting that XP was not activated. At this point I guessed that Virtual DriveClone might have been the source of my hardware differences so I uninstalled it and rebooted. After this I made a new linked clone and full clone of the base vm and XP did not complain about not being activated. So I seem to be back to where I was before installing Virtual DriveClone with the exception that that one particular XP vm continues to complain about activation (even though 4 or 5 other XP vm's are fat and happy) Now to my questions: Why would adding Virtual CloneDrive to the host system affect XP activation on the vm's? From their point of view I would have thought that the environment had not changed as I had not enabled any new hard drives in their systems. Or is adding a hard drive to the host system enough to upset XP activation? Since this event, one of my fully cloned vm's is still reporting that XP is not activated even though I have removed Virtual CloneDrive. Is there anyway to convince XP that it is on the same system as yesterday? Or are my only options to do an activation or restore the vm from a previous backup?

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• Need help to configure file:default on apache2

  - by turk182

  hi all!! im trying to use xen on ubuntu 8.04 hardy heron, because it is a project that assign to me in my new job, i have already installed xen and im running the virtual machines. according to the guide that they give me, i have to configure de file: default, from apache2 directory, like this: vi /etc/apache2/sites-available/default inside of this file i have to write the next information: NameVirtualHost * VirtualHost * ServerName "www".ejemplo.com ServerAlias ejemplo.com DocumentRoot /var/www/ ProxyRequests Off Proxy * Order deny,allow Allow from all /Proxy ProxyPass /balancer-manager ! ProxyPass / balancer://mycluster/ stickysession=BALANCEID nofailover=On ProxyPassReverse / "http"://http1.ejemplo.com/ ProxyPassReverse / "http"://http2.ejemplo.com/ Proxy balancer://mycluster BalancerMember "http://10.10.2.101:8080 loadfactor=1 BalancerMember "http://10.10.2.102:8080 loadfactor=2 ProxySet lbmethod=byrequests /Proxy Location /balancer-manager SetHandler balancer-manager Order deny,allow Allow from all /Location /VirtualHost in the section of balancermember im using the ip of the virtual machine: virtual machine 1 has ip 10.10.2.101 and virtual machine 2 has ip 10.10.2.102 then i have to install apache2 on each virtual machine and restart apache2 the question is what i hace to do to verify if all of this works allegedly i have to open a browser and write "www.ejemplo.com" and suppost show something thats the reason that im ask for help cause i dont know what to do, im looking for on the web and i cant find nothing related with this... ill appreciatte your help. THXS!!! pd. i closed "www" and "HTTP" in quotes by rules of this sites cause im a new user

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• How to share internet connection on Mac os x to Virtualbox vm's using Host-only

  - by redben

  In one line : is the following possible : Airport <- osx bridge - vbox-Host-only - vm's On a mac os x, i have virtual box with a virtual machine. For now i have configured 2 interfaces for my virtual machine eth0 is normal bridge for my vm to acces the internet (when airport is connected) eth1 is set to host-only so i can access my vm from the host when there is no wifi/aiport is down. So basically it's like Adapter 1 when there is Wifi, Adapter 2 when there is not. I'd like to have only one configuration to make it simpler. I thought i could just keep the Host only configuration, and on the host (os x) go to internet sharing and select "share from airport" to vboxnet0 (the vb virtual interface). Only to find out that vboxnet0 dosn't show up in the interfaces list on os x preferences. I know that on a linux host you could install something called bridge-utils and use that to bridge the two insterfaces. Is there any thing like that for Mac ?

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• Postfix tutorial inconsistency

  - by Desmond Hume

  I'm following this tutorial to setup a Postfix/Dovecot mail server with Postfix Admin as a web front end. As regards directory structure for virtual mail users, the author of the tutorial writes: Virtual mail users are those that do not exist as Unix system users. They thus don't use the standard Unix methods of authentication or mail delivery and don't have home directories. That is how we are managing things here: mail users are defined in the database created by Postfix Admin rather than existing as system users. Mail will be kept in subfolders per domain and account under /var/vmail - e.g. [email protected] will have a mail directory of /var/vmail/example.com/me. But when he gives instructions about configuring Postfix Admin, he suggests this to be contained by Postfix Admin's config.inc.php: // Mailboxes // If you want to store the mailboxes per domain set this to 'YES'. // Examples: // YES: /usr/local/virtual/domain.tld/[email protected] // NO: /usr/local/virtual/[email protected] $CONF['domain_path'] = 'NO'; Is there an inconsistency?

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• cloning a kvm guest os to a vmdk file

  - by Bond

  I have a production environment where I am having 4 Guest OS running on a Ubuntu server which uses kvm. These OS are in an LVM based setup.I want these Virtual Machines to be in a vmdk format also.Where people would do experiments with these Virtual Machines so this in a vmware environment (or it can be Xen too) would be different from the kvm server.I would not have any control on that other environment so I want to give people vmdk images of these virtual machines. The production Virtual Machines will still keep running on kvm server but the VMs on which experiments would be done would be of type vmdk.(vmdk is a constraint) Here is output of lvscan ACTIVE '/dev/abcd/lvm1' [100.00 GiB] inherit ACTIVE '/dev/abcd/lvm2' [150.00 GiB] inherit ACTIVE '/dev/abcd/lvm3' [50.00 GiB] inherit ACTIVE '/dev/abcd/lvm4' [100.00 GiB] inherit I was reading man page of qemu-img and what I understand is I need to first create a qcow image file which I need to populate and then convert that to a vmdk file. Is that understanding correct? Now suppose /dev/abcd/lvm4 is the virtual machine with which I am going to start this experiment.I can shutdown the production VMs for some time to do this. So is the following way correct to go on server 1 (where kvm is running) qemu-img convert -c -f raw -O vmdk /dev/abcd/lvm4 /backup/lvm4.img or it will affect the lvm4 on kvm server 1. I do not want the VM running on original server to at all loose its any of the content but also have a vmdk file for each of the Guest OS on kvm. Before I proceed with any of the above things on the production machine I just want to make sure that I am doing the correct thing so I asking here.

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• Test server on a local network with XAMPP

  - by hopscotch1978

  Hi, I'm not very proficient with networks and could use some help. I've got a Win 7 desktop with XAMPP which acts as my local dev machine. I've configured a virtual host on the desktop which I'm able to access fine. If I'm understanding things correctly, the virtual host uses port 80 (<VirtualHost 127.0.0.1:80>). I've just tried to configure a separate Win XP laptop on the local wireless network to connect to the main desktop for testing purposes. I've added the IP address and virtual host name to my Hosts file on the laptop. My virtual host is imaginatively named "virtualhost1". When I type this into my laptop browser, it connects correctly to the main desktop and I get the XAMPP welcome screen. But I can't seem to get to the actual site, just the XAMPP welcome screen. It kind of jumps the browser to http://virtualhost1/xampp/. I think it's a port issue of some sort but I have no idea how to resolve it. I would get the same XAMPP welcome screen on my desktop if I omitted ":80" from the virtual host declaration. On my main desktop, typing "virtualhost1" to the browser address bar gives me the site correctly, not the XAMPP welcome screen. Help would be appreciated. Thank you.

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• vmware vmdk disk problem

  - by dmtr

  Hello, I have a vmware esxi 4 server and 2 storage servers (mount as nfs). Between the storage servers (fedora 14) is made drbd cluster (dual primary) and ocfs2 filesystem, also every server has local partition with ext4 filesystem, both are mounted as nfs on esxi server. When i tried to copy a virtual machine (naturally it power off) files from ext4 partition to ocfs2 partition, vmdk total file size is different, but md5sum is the same. on ext4 partition: # ls -la total 28492228 -rw------- 1 root root 42949672960 Jan 14 14:46 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 on ocfs2 partition: # ls -la total 13974660 -rw------- 1 root root 42949672960 Jan 14 16:16 disk-flat.vmdk # md5sum disk-flat.vmdk 0eaebe3138beb32f54ea5de6dfe5a987 When i power on the virtual machine from ocfs2 partition it dosn't work. I have a windows on the virtual machine and it freez?s after windows logo. From ext4 partition the virtual machine is worked. Test with linux (create and install on ext4 partition and copy) the same problem appears. When i create a virtual machine directly from ocfs2 partition, there are no problems. I tried to copy via vSphere client, and i have the same problem. Any suggestions ?

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• IIS 7.5 stops serving requests for no apparent reason

  - by Steffen

  We're running a site on 4 virtual Win 2008 R2 64 bit servers. This is the only site on the IIS, and we use Windows Network Load Balancing to share the load between our 4 virtual servers. We've used these virtual servers for approximately a week, and we're starting to see some issues. For no apparent reason the IIS stops serving pages, and doesn't even respond with an error. So upon requesting a page from the server, the browser just waits infinitely (or until it decides to give up clientside) Sometimes an iisreset fixes the issue, other times we have to reboot the entire virtual server. There are no traces in the eventlog of why this happens, and there's no traces in our applications exception log neither. Furthermore this happens even when there's a very small load on the server, so it doesn't seem to be because it's flooded with requests. So frankly I'm at a loss here - I have no idea where to start debugging this issue :-( I'm quite certain we never had these issues on our physical servers, however they were running Win 2003 32bit, so there are quite a few differences between them and the virtual ones. (Which obviously makes it difficult to tell what exactly causes this)

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• Connecting multiple ColdFusion 10 instances to a single Apache 2.2 server

  - by Adam Cameron

  This is on Windows 7 Home Premium edition. I have got two ColdFusion 10 (updater 2) instances: "cfusion" (the default one), and "scratch". I have got a single instance of Apache 2.2 running. Within Apache, I have set up two virtual hosts, each of which needs to be served by a different ColdFusion instance. Each of the CF instances serves files fine via Tomcat's internal web server. Apache serves vanilla HTML files fine too. So both CF instances, and both virtual hosts separately work OK. I can get wsconfig.exe to connect either one of the CF instances to the Apache server, and serve CF files via Apache & that instance. However I cannot find a way of connecting the second CF instance to Apache as well, so that both CF instances are conected, each serving one of the virtual hosts. WSConfig doesn't seem to understand the notion of "multiple CF instances", and the changes it makes to the httpd.conf (via mod_jk.conf) does not seem to be implemented in such a way as to accommodate multiple CF instances talking to a single Apache instance, or multiple virtual hosts. I freely admit to not being confident enough with how mod_jk (or even really httpd.conf) works to be able to guess if I can change stuff to make it work. If I try to add the second CF instance using WSConfig, I just get a message "the web server is already configured for ColdFusion". Be that as it may... not the instance of ColdFusion I want to connect it to! If I remove the existing connector to whichever instance is already connected, I can then connect the other one no problems. Not that this helps, but it demonstrates that the CF instance can connect to Apache. This all used to be fairly straight fwd under older versions of CF and JRun :-( The only docs I have found are on the "Connect multiple Apache virtual hosts on a web server to a single ColdFusion server" page, but that specifically only deals with a single CF instance. There is no equivalent page for multiple CF instances. I'm kinda hoping I can move some of the mod_jk config into my virtual host entries in httpd-vhosts.conf (this is how it used to work for JRun), but I've no idea what to put where. I think I've covered all the necessary info here? If not, sing out and I'll add more. Thanks. PS: tried to specifically tag this as "ColdFusion-10" as the answer will be different from previous CF versions, but it won't let me cos my rep on this site is too low (odd how it doesn't consider my rep from other S/O sites...). If someone with sufficient rep can add it, that'd be cool: it's probably a valid tag to have. Ta.

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• associate dhcp requests with subdomains in dnsmasq

  - by Dezra

  I have dnsmasq running as a dns server with a number of linux boxes using static ips that run several virtual hosts on subdomains. I currently have the following address line in my dnsmasq.conf to map the subdomain of a boxes address to the boxes static ip: address=/.devbox1.mydomain.com/192.168.1.3 address=/.devbox2.mydomain.com/192.168.1.4 e.g. site1.devbox1.mydomain.com > maps to devbox1 static ip, site1 virtual host site2.devbox1.mydomain.com > maps to devbox1 static ip, site2 virtual host site3.devbox2.mydomain.com > maps to devbox2 static ip, site3 virtual host I was wondering if I can change the machines over to DHCP addresses (instead of static) and have dnsmasq use the dhcp ip instead of the static one? Can I modify the address line to refer to the DHCP address (obviously, I cant hardcode the address)? I know I could add mac address to ip allocation, but I want to avoid this if possible.

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• RDP or SSH connection trough Windows 2008 server VPN hang after a while

  - by xt4fs

  I have been experiencing a very strange issue with our VPN setup on Windows Server 2008. That server is running as a Xen Virtual Machine. We use it for two purposes, permit our mobile workers to connect to another server hosted somewhere else that only allow that ip, and use it to RDP or ssh to many other virtual machine on the same server. The server has no performance issue and still a load of memory free. All other virtual machine has no problem whatsoever. Many of those virtual machine have public IP (web servers) and all their firewall are set to allow only ssh connection or RDP connection from their local interface. When I am connecting directly with either ssh or RDP to one of the other virtual machine everything run without any issues. However, when I am doing so through the VPN after some time the connection just hang, it usually continue after some time (5 or 10 minutes). It seems as more there is network usage more often it happen to a point where it is completely unusable. The worst thing I can do to hang it faster is to actually ping the vpn client IP from the local network, after some time the latency increase until it hang. This happen even if I do RDP to the local ip of the VPN server trough the VPN. The server report no problem and if I disconnect to the vpn and reconnect right away everything is alright. There is nothing wrong in the VPN server log. I have taught at the beginning that it could have been an issue with the Host server so I try to RDP,ssh directly to the guest and I have experience no issue while doing this, so it really seems to be a problem with the VPN server on Windows server 2008. Another very weird thing is it does not seems to be of any issue if you only do Internet (NAT) without trying to connect to any local ips.

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