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• Getting xdebug to talk to netbeans (from a virtual box)

  - by srcspider

  Trying to get xdebug to talk to netbeans (and vice versa). xdebug is in a virtualbox setup with vagrant (and some basic puppet to setup a basic LAMP). According to the php.ini from the VM everything is setup as I indented. xdebug.default_enable=1 xdebug.remote_enable=1 xdebug.remote_handler=dbgp xdebug.remote_host=33.33.33.1 xdebug.remote_port=9000 xdebug.remote_autostart=0 Unfortunately netbeans debugger just doesn't seem to be able to talk with xdebug. Ideas?

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• Virtual Machine Manager 2012 is showing 0% CPU usage

  - by Mark Henderson

  When trying to do some science to answer this question, I took a Windows 7 guest on a Server 2008 R2 host being managed by SCVMM 2012 and ran Prime95 on it to just generate some CPU usage. Here's the Guest: The Hyper-V host shows 12%, which is 1/8 cores (which is what is allocated), so that's looking correct: But SCVMM is showing 0%: I have left the stress test running for a long time, thinking that maybe SCVMM averages out over a long time (I thought it was 9 minutes, but I've been known to be wrong; just don't tell my wife). Why is SCVMM showing 0% when everything else seems to disagree?

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• Setting up SSL virtual hosts in Apache

  - by Bart van Heukelom

  I'm trying to set up SSL, with SNI, in my apache and am getting the often-seen "ssl_error_rx_record_too_long" error in Firefox when accessing the site (https://test.me.dev.xxxx.net), from which I can conclude that the server is listening on port 443, but doesn't know to use SSL on it. The server is Ubuntu 9.04 with Apache 2.2.11 I enabled SSL in the default way (a2enmod ssl). Here is my relevant config: NameVirtualHost *:* Listen 80 <IfModule mod_ssl.c> Listen 443 </IfModule> ... <VirtualHost *:*> DocumentRoot /home ServerAlias *.dev.xxxx.net UseCanonicalName Off # project.user.dev.xxxx.net VirtualDocumentRoot /home/%2/dev/%1/web SSLEngine On SSLCertificateFile /etc/apache2/certs/dev.crt SSLCertificateKeyFile /etc/apache2/certs/dev.key </VirtualHost> What is wrong?

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• How do the Virtual machine network works ?

  - by Arpit

  I wish to know If I am using 2 VM instance on the same setup and I wish to use heavy data flow between the VMs is there any possibility that I get the Timeout (let say I having one timer on the sending end which stops on getting the ack.) I vague question is How network works in VM . I hope I am clear with the question.

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• OS for Virtual Private Server (VPS)

  - by B. Stran

  Hi guys! I'm new to VPS managing and I need to chose which OS to install on my VPS. I have the following alternatives: CentOS 5.2 Ubuntu 9.10 Ubuntu Server edition 8.10 Debian 5.0 Lenny Debian 4.0 Etch Gentoo Minimal 10.0 I tried to install couple of them, I've also installed Webmin and doesn't really see any big differences among them. Which one would you suggest for someone who is just learning (but it's going to be a working server as soon as I'm done with testing)? Which one uses less resources (I have only 256 MB of RAM)? Any suggestions are greatly appreciated.

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• Apache2 Virtual Host with ScriptAlias returning 403

  - by sissonb

  I am trying to reference my libs directory which is a sibling directory to my DocumentRoot. I am using the following ScriptAlias to try to accomplish this. ScriptAlias /libs/ "../libs" But when I go to example.com/libs/ I get a the following error Forbidden You don't have permission to access /libs/ on this server I am able to view the libs directory using the following configuration so I don't think it's a file permission error. <VirtualHost *> ServerName example.com ServerAlias www.example.com DocumentRoot C:/www/libs <VirtualHost *> More relevant httpd.cong setting below <Directory /> Options FollowSymLinks AllowOverride None Order deny,allow Deny from all </Directory> <Directory "C:/www"> Options Indexes FollowSymLinks AllowOverride None Order Deny,Allow Deny from none Allow from all </Directory> NameVirtualHost * <VirtualHost *> ServerName example.com ServerAlias www.example.com DocumentRoot C:/www/example ScriptAlias /libs/ "../libs" <Directory "C:/www/libs"> Options Indexes FollowSymLinks AllowOverride None Options +ExecCGI Order Deny,Allow Deny from none Allow from all </Directory> </VirtualHost>

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• How to get decent WiFi despite a virtual Faraday cage

  - by MT_Head

  One of my clients is the local branch of an international airline. They have a small office in the secured area behind the ticket counters, and timeshare space at the ticket counter. I need to add a ticket printer out front, which I cannot (for contract/liability reasons) attach to the shared computer at the counter; the only workable solution seems to be to put the printer and its attached computer on a cart and connect to the office's network via WiFi. So far, no problem - right? Well, the terminal has been getting a facelift, which - among other things - includes decorative stainless-steel panels along the wall behind the ticket counters. This paneling acts as a seriously effective barrier to WiFi! The office's WiFi router - a brand-new D-Link DIR-815, dual-band 802.11n - is just on the other side of the pictured wall, and twenty feet or so to the right. And yet the only way I can connect AT ALL on this side of the wall is to stick the USB adapter (on the end of an extension cable) right into the crack between panels... and even then I can only see the 5GHz network, and that very weakly. Has anyone else had experience with this sort of misguided interior decoration? Any ideas on how I can improve reception on the other side of the barrier? (Needless to say, physical modifications of the environment - tempting though they might be - are strictly no-go.)

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• Using VNC as a virtual KVM switch

  - by aurinko

  I'm wanting to control my laptop from my desktop. I've been doing this with VNC (PC desktop to Macbook pro) - but I want to remove the 'viewing' aspect of it on my desktop. I.e. I don't want to have the viewing screen on the desktop.. but be able to control the mouse/keyboard via VNC. Is this possible? I'm using realVNC viewer and connecting to the default in-built VNC server on Mac OS X Lion. Cheers for any help.

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• When I restart my virtual enviorment it does not re-bind to the IP address

  - by RoboTamer

  The IP does no longer respond to a remote ping With restart I mean: lxc-stop -n vm3 lxc-start -n vm3 -f /etc/lxc/vm3.conf -d -- /etc/network/interfaces auto lo iface lo inet loopback up route add -net 127.0.0.0 netmask 255.0.0.0 dev lo down route add -net 127.0.0.0 netmask 255.0.0.0 dev lo # device: eth0 auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address 192.22.189.58 netmask 255.255.255.248 gateway 192.22.189.57 broadcast 192.22.189.63 bridge_ports eth0 bridge_fd 0 bridge_hello 2 bridge_maxage 12 bridge_stp off post-up ip route add 192.22.189.59 dev br0 post-up ip route add 192.22.189.60 dev br0 post-up ip route add 192.22.189.61 dev br0 post-up ip route add 192.22.189.62 dev br0 -- /etc/lxc/vm3.conf lxc.utsname = vm3 lxc.rootfs = /var/lib/lxc/vm3/rootfs lxc.tty = 4 #lxc.pts = 1024 # pseudo tty instance for strict isolation lxc.network.type = veth lxc.network.flags = up lxc.network.link = br0 lxc.network.name = eth0 lxc.network.mtu = 1500 #lxc.cgroup.cpuset.cpus = 0 # security parameter lxc.cgroup.devices.deny = a # Deny all access to devices lxc.cgroup.devices.allow = c 1:3 rwm # dev/null lxc.cgroup.devices.allow = c 1:5 rwm # dev/zero lxc.cgroup.devices.allow = c 5:1 rwm # dev/console lxc.cgroup.devices.allow = c 5:0 rwm # dev/tty lxc.cgroup.devices.allow = c 4:0 rwm # dev/tty0 lxc.cgroup.devices.allow = c 4:1 rwm # dev/tty1 lxc.cgroup.devices.allow = c 4:2 rwm # dev/tty2 lxc.cgroup.devices.allow = c 1:9 rwm # dev/urandon lxc.cgroup.devices.allow = c 1:8 rwm # dev/random lxc.cgroup.devices.allow = c 136:* rwm # dev/pts/* lxc.cgroup.devices.allow = c 5:2 rwm # dev/pts/ptmx lxc.cgroup.devices.allow = c 254:0 rwm # rtc # mounts point lxc.mount.entry=proc /var/lib/lxc/vm3/rootfs/proc proc nodev,noexec,nosuid 0 0 lxc.mount.entry=devpts /var/lib/lxc/vm3/rootfs/dev/pts devpts defaults 0 0 lxc.mount.entry=sysfs /var/lib/lxc/vm3/rootfs/sys sysfs defaults 0 0

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• ESXi Server with 12 physical cores maxed out with only 8 cores assigned in virtual machines

  - by Sam

  I have an ESXi 5 server running on a 2-processor, 12-core system with hyperthreading enabled. So: 12 physical cores, 24 logical ones. On this server are 4 Windows 7 VMs, each configured for 2 processors, each running VMware Tools. Looking at my stats in vSphere, my "core utilization" is constantly maxed out. Yes, these machines are working hard, but only 8 cores have been allocated. How is this possible? Should I look into reducing the processor count per machine as in this post: VMware ESX server? I checked to ensure that hardware virtualization is enabled in the BIOS of the machine (a DELL R410). I've also started reading up on configuration, but being a newbie there's a lot of material to catch up on. It also seems I should only bother with advanced settings and pools if I'm really pushing the load, and I don't think that I should be pushing it with so few VMs. I suspect that I have some basic, incorrect configuration setting, but it's also possible that I have some giant misconceptions about virtualization. Any pointers? EDIT: Given the responses I've gotten so far, it seems that this is a measurement problem and not a configuration problem, making this less critical. Perhaps the real question is: How does the core utilization of the server reach a higher percentage than all individual cores' core utilization, and given that this possibility makes the metric useless for overall server load, what is the best global metric for measuring CPU load on hyper-threaded systems?

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• lighttpd virtual host config

  - by muncherelli

  Trying to get these two vhosts set up correctly. I have two sites on this domain that i'm hosting: www.example.com/example.com and test.example.com. How do I get both of these to work in my vhost definitions? I have: $HTTP["host"] == "test.example.com" { and $HTTP["host"] =~ "(^|.)example.com$" { (I think this is for *.example.com) It always goes to the second one, even if I am trying to go to test.example.com. I need to be able to host www.example.com/example.com and test.example.com

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• KVM virtual machine networking, NAT and bridge together

  - by stoqlt

  I have two running KVM guests on an Ubuntu (Lucid) host. One of them uses the simplest NAT method, and DHCP inside. The other uses the bridge method and static IP inside. Both work fine. Can I mix the networking methods? I'd like to create some set of scripts which used the local 192.168.122.x address, no matter if the guest has or not has an additional bridged LAN interface. Having eth0 and eth1 interfaces inside would be fine. Thanks for your interest.

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• gitweb on Ubuntu Server as Location/Directory instead of Virtual Host

  - by mbx

  Since DynDNS no longer resolves subdomains for free I have use gitweb on a subdir of the apache2. Usual suspects such as Pro Git suggest something like <VirtualHost *:80> ServerName gitserver DocumentRoot /srv/gitosis/repositories/ <Directory /srv/gitosis/repositories/> Options ExecCGI +FollowSymLinks +SymLinksIfOwnerMatch AllowOverride All order allow,deny Allow from all AddHandler cgi-script cgi DirectoryIndex gitweb.cgi </Directory> </VirtualHost> I tried various variations using Location and Directory tags with different attribute combinations without any notable success. My first Idea was close to the following Alias /gitweb /srv/gitosis/repositories <Location /gitweb> AuthType Basic AuthName "gitweb Repository view" AuthUserFile /etc/apache2/gitweb.passwd Require valid-user SSLRequireSSL SetEnv GITWEB_CONFIG /etc/gitweb.conf AddHandler cgi-script cgi DirectoryIndex /usr/lib/cgi-bin/gitweb.cgi </Location> Apache is in the gitosis group, the repositories are readable and executable for that group. So, what is the indended way to get websvn run on Ubuntu 10?

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• Using Virtual box to practice malware removal?

  - by jwsENLBH2XavZ

  Hello, I have Windows 7, and installed virtualbox on it with a copy of Windows XP pro sp3 with all updates. I want to use the virutal environment to practice removing malware....in other words, I want to infect it on purpose. What is the safest way to do this so that win 7 doesn't get infected as well? Any settings I should change in virutalbox? And before anyone asks, no, I don't write viruses/malware. I am a tech, and would like to practice removing malware. Thanks.

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• Static NAT in AWS's Virtual Private Cloud (VPC)

  - by user1050797

  Currently in a VPC with a public and a private subnet, all internet bound traffic from the private subnet could be routed via an NAT instance. The NAT instance will port address translate the packet's source IP to use the NAT instance's elastic IP, so the public server can reply to this public address. This is a PAT mechanism. My question is there a way for me to do a static NAT on my NAT instance -- Using the same NAT instance to static NAT an unassociated but reserved elastic IP to a private subnet host. This NAT instance will behave like a physical firewall doing static nat'ing for a bunch of private ip's.

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• Apache virtual host proxy to nginx for ruby

  - by Kevin Brown

  I'm running a few php sites off apache and want to start rails dev. I've installed rvm/nginx and can get my ruby site by going to websiteroot.com:8000... How do I pass ruby.websiteroot.com to websiteroot.com:8000? What's the best way for me to route a subdomain for ruby dev?? I'd switch to nginx completely if it weren't for all my php sites--seems like it's easier to just proxy for ruby. Advice? My nginx config looks like this: server{ listen 8000; server_name website.com; root /home/me/sites/ruby_folder/public; ... } My apache config looks like this: <VirtualHost> ServerName ruby.website.com ProxyPreserveHost on ProxyPass / http://127.0.0.1:8000 ProxyPassReverse / http://127.0.0.1:8000 </VirtualHost>

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• Virtual LTSP server with KVM

  - by phil

  I want to setup a kvm-based LTSP appliance with Ubuntu 10.04 (server/desktop for ltsp) on a Dell PowerEdge 2900 for ~10-15 clients. People will mostly use Firefox, Thunderbird, OpenOffice and Qcad. Does someone have any experience with this setup? I've had a similar setup with VMware Server 2 and Ubuntu 8.04. How good/bad is kvm compared to VMware for a LTSP appliance? Shall I stick with VMware or can I switch to KVM?

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• How to shutdown VMware Fusion virtual machine on host shutdown

  - by Nikksno

  I have a Mac mini running Mavericks server. I installed the Atmail server + webmail vm [a linux centos distribution] in VMware Fusion Professional 6 with the VMware Tools addon. It works flawlessly. I've set it to start on boot and that works very reliably. However I've been looking for a way to also safely and gracefully shut it down whenever OS X shuts down for whatever reason. The Mac is connected to a UPS and configured to perform an automatic shutdown in case the battery starts running low so that's no additional problem. Now the first thing I did was to go into Fusion's prefs and select "Power off the vm" when closing it. However I noticed that for some arcane reason closing the vm window would actually forcibly power off the vm: so then I found this post that showed me how to change the default power options and I managed to have the vm cleanly shutdown when closing its window or quitting Fusion altogether. At this point I was hoping to have solved the problem but as it turns out upon invoking system shutdown OS X doesn't wait for the vm to shutdown and terminates Fusion before it has a chance to do so. At this point I started looking for a way to automate the process of shutting down the guest os via some advanced setting but had no luck in doing so. That's when I found a command to shut the vm down: vmrun and it worked. The only thing left was to find out a way to execute this script on os x shutdown and giving it a little time to power off completely. However this turned out to be a nightmare: I spent hours looking through several ways to do this with Startup Items, rc.shutdown, cron, launchd, etc... but none of them worked the way I had configured them. I have to say that I found very limited information on using launchd for a shutdown script execution and I know it's the latest thing in the OS X world so I'm hoping someone out there among you will be able to help me out with this. I still think this is an extremely basic feature to ask for and I was really surprised to find this little documentation on so many different aspects of this problem. Is Fusion too basic of an application for this? I really hope someone can help. Thank you very much in advance.

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• Trying to configure DNS on a Godaddy Virtual Dedicated host, Mediatemple Domain Registration [closed]

  - by dclowd9901

  A client of mine purchased VD hosting with Godaddy and a domain name with Mediatemple. I've never configured DNS from scratch, and I'm finding it very difficult to find any sort of explanation on how to go about it. As of right now, Mediatemple is pointing to the Godaddy's ns1.domaincontrol.com and ns2.domaincontrol.com nameservers. The VD hosting on Godaddy (via their Simple Control Panel) has options to "Add a new domain", which brings you through a wizard of sorts that asks you if the domain has already been registered (yes), what it is (dclowd9901.com for this example), create a system username and password for it (with checkboxes for SSH and FTP access), which level of user can administer it, and whether a mail account should be setup. When complete, it also creates a zone file. In this zone file, the Primary nameserver is ns1.dclowd9901.com; the records are as follow (where 12.23.12.34 is the presumed host): @ A 12.23.12.34 @ NS ns1 @ NS ns2 ns1 A 12.23.12.34 ns2 A 12.23.12.34 @ MX mail www A 12.23.12.34 ftp A 12.23.12.34 ssh A 12.23.12.34 mail A 12.23.12.34 If anyone can shed any light on this for me, explain to me the interactions between the registrar and the host and so on, I'd be very grateful. Thanks in advance for the help.

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• RSA keys - virtual hosts

  - by Bosworth99

  Pardon my noobness, but I just got started with VPS (linux) hosting; setting up passwordless ssh for multiple users has proved to be kind of a pain. Currently I'm the single user of this ubuntu 10.04 LTS VPS (linode.com). I was able to establish a single rsa passkey under my home/user/.ssh/authorized_keys location. Fine. PuTTy works as expected, and Filezilla (sftp) links up as required. I've been working on a single site that this user owns, and thats not been a problem. Now, I want to set up some other sites, and I've chosen Webmin with the VirtualMin plugin to make this work. I made another user (or, rather, virtualmin did), but I've been unable to get FileZilla to link up to this new user. Could anyone with experience here explain what the setup is supposed to look like? IE - can I use a single rsa key pair for all accounts (if, for example, I give ownership of files to the original user?). Or is it standard practice to create a separate key pair for each user, and establish a separate putty/filezilla login for each? I've spent enough time dinking around with this to be frustrated. "Sever rejected the provided key" error sucks after the fifth hour. I'm about to set up an ftp server and call it a day. Any thoughts would be most welcome -

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• How to avoid downtime when resizing virtual machines

  - by Ivan Buttinoni

  Many IaaS provider offer dynamic upgrade/downgrade of RAM and cores. Usually a Linux VM has to be rebooted to apply these changes. Sometimes, things like VMware tools or other guest services are well integrated so the upgrades to resources are immediately available, but the downgrades still need reboot. How can I solve this issue, so that when downgrading resources I do not have to reboot my guests?

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• Apache mod_rewrite and mod_vhost_alias Virtual Hosts and %1

  - by Matt Wall

  I have put the main bits of my httpd.conf down below. I am using %1 to get the host field so I can dynamically add vhosts by just creating dns/folders. One problem is I need to reference this: HttpStreamingLiveEventPath "D:/FMSApps/%1" HttpStreamingContentPath "D:/FMSApps/%1" In Apache when I try say to do this: http://test.domain.com/hds-vod/myfile.mp4.f4m it sees the %1 in the logs, and fails. Apache gives me this: [error] mod_jithttp [403]: No access to D:/Content/%1/DefaultContent/eve.mp4 What I'm looking for is the D:/Content/%1/DefaultContent/eve.mp4 to become D:/Content/test/DefaultContent/eve.mp4 Anyone have any useful resources / hints etc. to help me? Meanwhile my Google searching continues...! Listen 80 ServerName main1.rtmphost.com AccessFileName .htaccess ServerSignature On UseCanonicalName Off HostnameLookups Off Timeout 120 KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 15 RewriteLogLevel 0 RewriteLog logs/rewrite.log DocumentRoot D:/Content LoadModule vhost_alias_module modules/mod_vhost_alias.so VirtualDocumentRoot "D:/Content/%1" RewriteEngine On <Directory /> Options None AllowOverride None Order allow,deny Allow from all Satisfy all </Directory> <IfModule f4fhttp_module> <Location /vod> HttpStreamingEnabled true HttpStreamingContentPath "D:/FMSApps/%1" Options FollowSymLinks </Location> Redirect 301 /live/events/livepkgr/events /hds-live/livepkgr <Location /hds-live> HttpStreamingEnabled true HttpStreamingLiveEventPath "D:/FMSApps/%1" HttpStreamingContentPath "D:/FMSApps/%1" HttpStreamingF4MMaxAge 2 HttpStreamingBootstrapMaxAge 2 HttpStreamingFragMaxAge -1 Options FollowSymLinks </Location> </IfModule>

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• puppet duplicate resources and virtual resources

  - by user45097

  Overview Hi just started using Puppet and have been unable to suss something. Problem Because of normalization when I add 2 classes to a node with packages that have the same dependencies it fails. In simple terms have duplicate resources - in this case the package libssl. Note: packages are being held to prevent latest packages being installed. QUestion What's the best practice way to get round this? class ssh { package { 'openssh-server': ensure = installed, require = libssl } package { 'libssl': ensure = installed, } } class apache { package { 'apache': ensure = installed, require = libssl, } package { 'libssl': ensure = installed, } } node server { include apache include openssl-server

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• Issue with CNAME and Virtual Hosts

  - by mrc0der

  I'm using Apache and I have a CNAME DNS record for sub2.sub1.domain1.com that points to sub1.domain1.com And I have an A DNS record for sub1.domain1.com that points to the IP. Then in my httpd.conf file I have: <VirtualHost *:80> ServerName www.domain1.com DocumentRoot /domain1/www </VirtualHost> <VirtualHost *:80> ServerName sub1.domain.com DocumentRoot /domain1/sub1/www </VirtualHost> Yet I appear to be missing something, as when you visit sub2.sub1.domain1.com, it shows you the page for domain1.com. When you visit the sub1.domain1.com, it shows the correct page for sub1.

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• Ubuntu 11.10 Virtual-box Unity 3D not working

  - by naveen

  After struggling for four hours, I still cannot get Unity 3D of Gnome 3 to work on my VirtualBox - I have been pouring through Internet and forum posts but to no avail. Here's what I've done so far: VirtualBox 4.1.4r74921 on Windows 7 Installed Ubuntu Desktop 11.10 ( 32 bit ) Enabled 3D acceleration Allocated 1.5GB of RAM Allocated 50MB video memory (hope this is not the culprit) Installed Guest edition 4.1.4 Did apt-get update and apt-get upgrade Booted back in to Ubuntu - falls back to Unity 2D Shared folder, mouse integration all works, so guest edition is properly installed Tried the command and below is the output /usr/lib/nux/unity_support_test –p OpenGL vendor string: Mesa Project OpenGL renderer string: Software Rasterizer OpenGL version string: 2.1 Mesa 7.11 Not software rendered: no Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: no GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: no I am trying to find what the "no" means but cannot find any good answers. Inter Core i5 processor 4GB of RAM on the host Display adapter: NVIDIA GeForce 8400GS Is anyone else facing the same problem? If so, can you point me to a solution or any reference where I can find a solution?

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