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• Create Virtual Image of Laptop before Formatting

  - by Simon Mark Smith

  I have a 3 year old laptop running Windows XP that I used for business. Although I have not used the laptop in over a year, I now want to re-commission it with Windows 7 and a fresh install. Before I do the fresh install I want to create a Virtual Image of the laptop that I can keep and potentially run on my desktop machine should I ever need to access any of the old files/projects that it contains currently. I know that most people will say just copy the files over to your desktop, but my concern is the configuration of the laptop. I used to use it for development and it has older versions of Visual Studio, SQL Server, Active X controls etc, etc than I currently use so I really want to preserve the environment not just the files. So really I am asking what is the best tool-set/method to achieve this? I understand there are free VM tools available but I have never done this before and would appreciate any help.

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• Error setting env thru subprocess.call to run a python script on a remote linux machine

  - by John Smith

  I am running a python script on a windows machine to invoke another python script on a remote linux machine. I am using subprocess.call with ssh to do this, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>') and this works fine. However, if I want to set some environment variables, like below: subprocess.call('ssh -i <identify file> username@hostname python <script_on_linux_machine>', env={key1:value1}) it fails. I get the following error: ssh_connect: getnameinfo failed ssh: connect to host <hostname> port 22: Operation not permitted 255 I've tried splitting the ssh commands into list and passing. Didn't help. I've tried to run other 'local'(windows) commands thru subprocess.call() and tried setting the env. It works fine. I've tried to run other commands(such as ls) on the remote linux machine. Again, subprocess.call() works fine, as long as I don't try to set the environment. What am I doing wrong? Would I be able to set the environment for a python script on a remote machine? Any help will be appreciated.

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• Connecting to a VirtualBox machine from the host, using an ip address

  - by Doron

  Hello, In a macbook host, I run VirtualBox having a guest ubuntu server, with a NAT network setting. In the virtual machine application "Parallels", I would get on the host an IP address of the guest, to which I could later set hostnames and access it directly. However, I couldn't find a way to accomplish this using VirtualBox. The only solution VirtualBox has for me, is to set port forwarding, and access "localhost" with these ports. How can I have the desired behavior set up, without having to change to a bridged network settings, and expose my guest computer to the network my host computer is connected to ? Thanks.

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• VMWare Server :: VM set to 2gb RAM but vmware process shows 100mb physical, 1900mb virtual

  - by brad

  I've set up a VMWare instance to run CastIron Integration Appliance. I allocated 2gb of memory to the instance, assuming it would take this as physical memory (my server has 8gb total). When I view top however on the server, the vmware-vmx process has about 100m Resident memory and 1900m Virtual. Running CastIron it reports that the appliance often hits 50% memory usage. Does this mean I'm using 900mb of harddrive space as memory? I wanted VMWare to use 2gb of physical memory, no swap. Can anyone tell me how to achieve this? Setup Debian Lenny 5.0.3 VMWare Server 2.0.2

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• Virtual firewall to protect hypervisor

  - by manutenfruits

  I am running an Ubuntu Server 12.10 as a single host connected to a NATed router connected using PPPoE to a optical fiber modem. This server is meant to be accessed from the Internet, but also to be used from the LAN as a SVN, MySQL and what not... The issue is that the router is not customizable enough to serve, so I was thinking about creating a virtual pfSense firewall using KVM inside of the server itself, removing the need of the router. Is this possible? Can the host ignore and block all traffic coming to itself, but not for the firewall? I am aware this is not the most desirable environment, I accept suggestions based on budget!

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• Make IP Address point to webroot instead of virtual hosts' documentroot

  - by Reuben L.

  I used to have a one-to-one domain name and IP. Recently I've paid for a second domain name and decided to host it on the same box and IP. As such, I added virtualhosts to point each domain name to a different document root (i.e. /var/www/webbie1 and /var/www/webbie2). The question I have is, can I still make the IP, e.g. http://XXX.XXX.XXX.XXX, point to the webroot, i.e. /var/www/? If so, how do I go about doing it? For a fuller picture, the box is on an Ubuntu server OS and I'm using apache2 as the app server. the changes I made to enable to virtual hosts were in the apache2.conf file with the <VirtualHost [IP address]> ... </VirtualHost> tags. Thanks.

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• RhinoMocks - Mocking Protected virtual members

  - by Dave Smith

  As far as I know, RM should mock anything that can be accessed by a derived class. Since a protected virtual member is accessible from a subclass, shouldn't it be mockable? My understanding is that RM does not support mocking protected virtual members.

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• VMware - Watching multiple virtual machine screens

  - by mr.b

  Hi, I don't know even if I put the question right, but here's what I'd like to accomplish. I have avoided specifying exact Vmware virtualization product here because I'm not sure which one would be most suitable for the task at hand. I am developing an application that works in local network. This application has to run on several computers at the same time, and it's important to me, as a developer and tester, to see (literally) how it behaves at all times on all computers. Is there any way to connect to screens of virtual machines deployed on ESX, ESXi, Sever 2.0, or some other product, so that I can see something like grid of screens, say 4x4 or 6x4 or whatever number of scaled screens, at the same time? Ability to interact with screens directly from grid (by double-clicking a screen, for instance, and then getting full resolution screen) would be greatly appreciated, of course. I hope that someone understood what I meant here. :)

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• Cisco VPN Client on Vista - Virtual Adapter

  - by ScaleOvenStove

  I have used the Cisco VPN client for years, and on XP it is pretty much rock solid, on Vista, not so much. You might be able to connect, but unless you set up a constant ping to something, it usually will disconnect, with this error: Reason 442: Failed to enable Virtual Adapater Now, most sysadmins will say, update you client - yes, I know, it hasnt mitigated the issue, ever. I have been using it on Vista since it came out, and updated my client every time a new update comes out. I have used it where the VPN server was a Cisco PIX and a Windows Box allowing the Cisco Client to connect. Anyone have any fixes that you can do on your client to fix this issue?

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• Blocking non-virtual host access in Apache?

  - by cmbrnt

  I'm running an apache-server, with a bunch of virtual hosts for about seven domain names. Now I'd like to disallow access for clients who try to access my server using only its IP-adress. So: When someone accesses my website through www.domain.com, they reach the site hosted in /var/www/domain.com/public_html/. When someone enters the ip-address of the server they reach a 403 Forbidden-message. The problem with this is that they are theoretically able to reach my other sites through bruteforce, when getting http://11.22.33.44/domain.com/public_html/. I rather want them to reach a 403 Forbidden all the time, as long as they don't access my server by a valid domain name. How do I solve this problem?

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• how do I set up a virtual host (it's not working, and I've done everything right)

  - by piratepartypumpkin

  My router redirects port 80 to port 8080. My router works fine and my domain name is routed properly. This is my virtual hosts file: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot /home/admins/lampstack-5.3.16-0/apps/wordpress ServerName example.com ServerAlias www.example.com </VirtualHost> I can access my website by entering "mywebsite.com:8080" but I cannot access it by entering "mywebsite.com" For further information, this is a part of my httpd.conf: Listen 8080 Servername localhost:8080 DocumentRoot "/home/admins/lampstack-5.3.16-0/apache2/htdocs <Directory /> Options FollowSymLinks AllowOverride None Order deny, allow deny from all </Directory> <Directory "/home/admins/lampstack-5.3.16-0/apache2/htdocs"> Options FollowSymLinks AllowOverride None Order allow, deny allow from all </Directory>

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• Can destructor be declared as pure virtual?

  - by skydoor

  I know that the destructor can be virtual, how about pure virtual? if yes, what's the usage? If not, what's the error, compile error or runtime error?

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• Sharing VPN from XP to Linux virtual

  - by user55513

  Hi I will keep the question simple with few details, if more is needed tell me. Thanks. I am playing around with networking and virtualbox. So I have 2 virtual machines. One is windows xp and another has linux in it. Windows XP has 2 network cards. One for the internet and the other to connect to the linux computer. Linux has one 1 card and it can only access the internet passing through Windows XP. Internet works fine until I activate OpenVPN on Windows. When I turn on VPN, Linux has no access to it. How can I make linux use VPN too? I believe it has something to do with using the "route" command on XP to send VPN traffic to Linux but I was not able to figure it out how yet.

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• Apache virtual host documentroot in other folders

  - by giuseppe

  I am trying to set up a couple ov VritualHost in my Apache, but I would like to put the DocumentRoot of these virtual host on folders outside the basic www folder. It happens that I get alwasy "Permission Denied". My httpd.conf follows: NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /home/giuseppe/www ServerName www.example.com/www ErrorLog logs/host.www.projects-error_log CustomLog logs/dummy-host.example.com-access_log common <Directory "/home/giuseppe/www"> Options Indexes FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /home/developper ServerName www.example.com ErrorLog logs/host.developper-error_log CustomLog logs/dummy-host.example.com-access_log common </VirtualHost>

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• adding virtual function to the end of the class declaration avoids binary incompatibility?

  - by bob

  Could someone explain to me why adding a virtual function to the end of a class declaration avoids binary incompatibility? If I have: class A { public: virtual ~A(); virtual void someFuncA() = 0; virtual void someFuncB() = 0; virtual void other1() = 0; private: int someVal; }; And later modify this function to: class A { public: virtual ~A(); virtual void someFuncA(); virtual void someFuncB(); virtual void someFuncC(); virtual void other1() = 0; private: int someVal; }; I get a coredump from another .so compiled against the previous declaration. But if I put someFuncC() at the end of the class declaration (after "int someVal"), I don't see coredump anymore. Could someone tell me why this is? And does this trick always work? PS. compiler is gcc, does this work with other compilers?

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• Xmodmap configuration

  - by Krishna S

  On my Debian Linux machine Ctrl+Alt+F1 is bound to a virtual terminal. I can see the corresponding entry by running xmodmap -pke keycode 67 = F1 XF86_Switch_VT_1 F1 XF86_Switch_VT_1 Per this thread, which I might add is consistent with what I've read elsewhere, the columns on the right hand side of = correspond to key, Shift+key, AltGr+key and Shift+AltGr+key. Given that, I don't understand how the keycode mapping for F1 (above) works for Ctrl+Alt+F1. It seems it should really be either Shift+F1 or Shift+AltGr+F1? Here's the output of xmodmap -pm on my machine: shift Shift_L (0x32), Shift_R (0x3e) lock Caps_Lock (0x25) control Control_L (0x42), Control_R (0x69) mod1 Alt_L (0x40), Alt_R (0x6c), Meta_L (0xcd) mod2 Num_Lock (0x4d) mod3 mod4 Super_L (0x85), Super_R (0x86), Super_L (0xce), Hyper_L (0xcf) mod5 ISO_Level3_Shift (0x5c), Mode_switch (0xcb) Can anybody explain it?

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• DNS Zone file and virtual host question

  - by Jake

  Hi all, I'm trying to set up a virtual host for redmine.SITENAME.com. I've edited the httpd.conf file and now I'm trying to edit my DNS settings. However, I'm not sure exactly what to do. Here's an snippet of what's already in the named.conf file (the file was made by someone else who is unreachable): zone "SITENAME.com" { type master; file "SITENAME.com"; allow-transfer { ip.address.here.00; common-allow-transfer; }; }; I figure if I want to get redmine.SITENAME.com working, I need to copy that entry and just replace SITENAME.com with redmine.SITENAME.com but will that work? I was under the impression I needed a .db file but I don't see any reference to one in the current named.conf file. Any advice would be great and if you need more info to answer the question, don't hesitate to ask.

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• Working with a copy of my Virtual Machine

  - by Gaby Reyna

  Hi there I'm trying to make a backup/copy of my virtual machine, it's installed in a Windows Server 2000 and I want to make some modifications/tests without changing the original one. The copy is to be used in Windows 7, what I'm trying to do is work/modify an application that communicates with a DB, this application is hosted on the VM, the DB too, and since I don't want to screw up the stable version I want to know how to copy the VM to my desktop pc to experiment without worries. Now, someone told me I might have problems with the IP 'cause the original will have the same IP, and if I change it, it won't work properly. Is this true? If it is indeed true, any suggestions??

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• How to install a "virtual" network card on a virtual server?

  - by vikp

  Hi, We have purchased an unmanaged VPS windows hosting solution from one of the UK based companies. We have Windows Server 2008 Standard Edition. We need to install certain third party applications on that server. Unfortunatelly, one of the applications requires a MAC address to be present at all times - this is their way of making sure that software is not pirated (which it isn't). We have tried installing a virtual loopback network card, but this has brought the server down - i.e. we couldn't connect using remote desktop any longer. At the moment we are limited with what we can try. This is an unmanaged solution, therefore any support including restarts is rather costly. Are you aware of any low-risk solutions? Thank you

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• Load Testing Linux Virtual Server

  - by Anubhav Agarwal

  I have configured a Linux virtual network with following configuration 172.17.6.112- VIP 172.17.6.111- Linux Director | |----------172.17.6.113 --- Real Server 1 |----------172.17.6.114 --- Real Server 2 I am using direct routing technique. I am unable to test my LVS network. Are there some good scripts/softwares available for load testing. I am running apache2.0 service on them. I came across with testlvs on the internet but am unable to understand its documentation. Are there more simpler ones I want to test the response time of server using various scheduling algorithms .

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• what is a virtual adapter

  - by numerical25

  I hear the term virtual adapter from time to time. But not exactly sure what it is. I can't exactly find a good definition online. Is there an exact definition for a virtual adapter. If so, what is it. Or what does it usually mean ?

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• How to solve virtual host issue

  - by Webnet

  I have multiple sites all setup the same as below except "bk" has something else in it's place... NameVirtualHost *:80 <VirtualHost bk:80> ServerName bk DocumentRoot /var/www/bk.com/ </VirtualHost> and I get these errors when restarting apache: [Mon Jan 17 10:28:56 2011] [error] VirtualHost bk:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results [Mon Jan 17 10:28:56 2011] [warn] NameVirtualHost bk:80 has no VirtualHosts I don't get it... the other 2 sites I have virtual host configurations for this exact same way don't throw any errors update One error message fixed - here's where I'm at now.. <VirtualHost bk:80> ServerName bk DocumentRoot /var/www/bk.com/ </VirtualHost> [Mon Jan 17 10:28:56 2011] [error] VirtualHost bk:80 -- mixing * ports and non-* ports with a NameVirtualHost address is not supported, proceeding with undefined results

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• Getting VPN to work from Virtual PC

  - by strobaek

  Setup: Host is running Windows7. Virtual PC is a Windows Server 2008 running under VMWare workstation 6.5. From the Host I have a VPN to e.g. TFS and other resources. From the VPC I need to connect to e.g. a SQL server via the VPN. My problem is, that I cannot get a connection from the VPC. If I'm sitting on the corporate network, all is working fine (but then I don't have the VPN). From home - where the VPN is required - it does not work. I have two network adapters defined/configued. One as BRIDGED and one as Host Only. IF I change the one being BRIDTED to NATS I have no connectivity at all from the VPC. I have no problems connecting from my host to the VPC. Thanks.

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• Apache - access two or more virtual hosts from outside

  - by André Alçada Padez

  I have an apache2 server running on my ubuntu system. I have two sites enabled: default (ServerName localhost) site2 (ServerName jslib) I run a windows Virtual Box Machine, to be able to test my stuff in IE. If i type the ubuntu's IP in the addressbar i get the localhost. I was wondering how can i access both (or more as i need it) from other machines. Thanks update I have configured the windows' hosts file like so: 10.0.2.2 localhost 10.0.2.2 jslib It works, but i am really looking for something that i can configure on the server side, and then just change the value of the URL, am i crazy?

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• How do I set up a virtual host?

  - by user1698332

  My router redirects port 80 to port 8080. This is my virtual hosts file: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot /home/admins/lampstack-5.3.16-0/apps/wordpress ServerName example.com ServerAlias www.example.com </VirtualHost> I can access my website by entering "mywebsite.com:8080" but I cannot access it by entering "mywebsite.com" For further information, this is a part of my httpd.conf: Listen 8080 Servername localhost:8080 DocumentRoot "/home/admins/lampstack-5.3.16-0/apache2/htdocs <Directory /> Options FollowSymLinks AllowOverride None Order deny, allow deny from all </Directory> <Directory "/home/admins/lampstack-5.3.16-0/apache2/htdocs"> Options FollowSymLinks AllowOverride None Order allow, deny allow from all </Directory>

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