General :: Create Virtual Machine For Web Development Test Environment
May 31, 2011
I'm looking into creating a virtual machine to mirror a web hosting environment I pay for. Long story short, I need a lab so I am not taking down the live site with my mistakes.Questions:
1 - What OS is most commonly used and / or best for running apache web server?My paid host is running "Operating System =linux; Kernel Version2.6.28.5-grsec-sg2"
2 - What is the best open source solution for creating a virtual linux machine on a box running XP?
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Jun 28, 2010
I would like to install a very light linux distribution. Light enough to be an host running virtualbox (or vmware player) and then a linux virtual machine of choice on it. Occasionally I could be in needs of running a windows distribution.
The reason why I would like to do this is that I am a developer. I found much convenient to prepare my development environment and run it from machine to machine. Rather than reinstalling a distribution and set it up each time I buy a new laptop.
Do you think it's possible ? The alternative could be to make a kind of linux image and install on a brand new PC, but I don't know how to do that and what are the downside of it.
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Apr 9, 2011
I'm a web developer and I am building a site on a CMS that has issues moving from a WAMP server to LAMP. The live server is LAMP and I am running Windows 7. I don't want to run into problems moving from the test server to the live server, so I was wondering if I could somehow run Linux using a virtual machine (using Windows Virtual PC which I think supports Linux or VirtualBox) and then using a Linux equivalent of WAMP2 server as a test server. how to do this and what the best Linux distribution to use would be?
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Mar 5, 2011
I need to create a sandbox environment on my LAMP server for PHP/MySql development. Anyone who could point me in the right direction or share their insight?
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Apr 30, 2010
I'd like to upgrade to 10.04 from Karmic but want to make sure it will leave me with a working system afterwards.
I figured a good way to test it is to create a disk image with dd and then try upgrading in VirtualBox using that image. The idea is that if it is successful, it'll probably be successful on the real machine too.
The only problem is my home partition, which is >1.4 TB. I don't have that much space left on any other hard disks. So I would like to somehow exclude certain directories in /home (or the entire partition) from appearing in the image.
Is this even possible? Or does anyone have any better ideas?
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Nov 18, 2009
I want to install Linux on a virtual machine (VMWare ESXi). My PC runs W7 64-bit. Can I install the new 32-bit Fedora Linux in a VM environment?
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Jul 14, 2010
I am working with TS7260 and ARM9 board with Debian os I want to interface any database so will you guide what header files are required and how to compile it..
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May 2, 2010
I have installed "Damn Small Linux" on my home computer for doing C development in unix. But the distribution doesn't by default come with the C development environment and I am facing some issues when trying to install the gcc.Is there any other small Linux distribution which by default has the required packages for the C development. And also I don't want additional software which takes up lot of space but still would like to have the graphical environment.
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Mar 12, 2010
I have dedicated LAMP server running and I was wondering if I am able to run a dev/testing zone on it so to speak?...That way, I can have my come back soon, site is being constructed page live, and develop elsewhere on the server. I was trying a virtualhost, but since that is name based, the web browsers don't know what to do with it. I know the safest way is to develop on this machine then move to web server but I'm just seeing if what I was trying to do is possible.
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Feb 17, 2011
I installed a library to the /usr/local/ prefix in Linux using ./configure && make && make install. What environment variables do I need to set in order for the linker and compiler to search these new library and header paths?
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Jan 5, 2010
I have been unable to create any type of Windows VM in Xen. Every time it tells me that the processor(s) in the machine do not support full virtualization. After some research, I found several articles regarding the vmx setting in /proc/cpuinfo not showing up when the xen kernel is booted versus it showing up in the default kernel. Of course, I am not seeing the vmx extension in /proc/cpuinfo after I boot to the xen kernel. In the other posts where other people are in the same situation, the only resolution is to upgrade to the 2.6.16 xen kernel. I am already past that:
linux-vxke:~ # uname -r
2.6.31.8-0.1-xen
yet I am still unable to create any form of Windows VM. I have even seen that some people are able to create a partially virtualized Windows VM, and they report that the message is only a warning. However, I am unable to get past this message. I am running a Dell Optiplex 760 with an Intel Core 2 Duo E7300, and I have the VT-x setting enabled in the BIOS. Has anyone else seen this situation or have any thoughts on why this is happening?
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Jan 6, 2009
I used qemu sucesfully on F9 but I can't find it on F10. I can't create a virtual machine. I tried installing qemu from rpms that I found on their site without any luck. How can I create a virtual machine on F10?
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Nov 8, 2010
I just install QEMU and virtual machine manager to use virtualization, but virt-manager cannot run properly. I can create a VM, then mount CDROM ISO, startup. With Windows installation, it runs well until format partition step, after that it is disconected and exit with error related to VNC. I dont know why have this problem cause the packages that I installed is from Fedora repo and I think they have been tested.
Here are some infos:
Fedora 14 - kernel 2.6.35.6-45.fc14.i686.PAE
qemu-2:0.13.0-0.7.rc1.fc14.i686
libvirt-0.8.3-2.fc14.i686
virt-manager-0.8.5-1.fc14.noarch
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Dec 17, 2010
I am trying to run a .jar file, and I have both JDK and JRE installed. This is the error I keep getting.
Code:
jonathan@linux-d0g9:~> cd Downloads
jonathan@linux-d0g9:~/Downloads> java -jar RSBot2.jar
jonathan@linux-d0g9:~/Downloads>
[code].....
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Jan 17, 2010
im trying to install a .sh file for a online game but i get this error Unrecognized option: -XstartOnFirstThread Could not create the Java virtual machine.
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Apr 29, 2009
I am newbie to centos. I am trying to install virtual server in my machine. I have installed the Xen virtual machine monitor which comes with CentOS through add/remove software. Here is the problem, I am unable to open connection with Xen hypervisor. Here is the error i am facing:
Unable to open a connection to the Xen hypervisor/daemon. code...
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Jan 3, 2011
I had set up 4 virtual machines on centos 5.5 system where I directed the image locations to an external storage. I have lost the image files in the storage, but I have the image files that were copied from the virtual machine image location. I want to put up the same system on the same computer by copying these backup images. However, when I copy the image file to the same exact location and start the corresponding virtual machine I get "no bootable disk" error. When I increase the size of the image using "qemu-img" commands, I can get rid of this error, but get "error reading disk" error. Is there a way to overcome these problems, or is it not possible to restore a virtual machine by copying the machine image file under ..../xen/images?
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Oct 7, 2010
I'm working on a script. fter it has installed and removed packages, I need to configure a ton of settings. In GNOME, I understand that those settings are kept in "/home/user/.gconf". Can I create a virtual machine and configure the system through the GUI to my liking and then dump all of the settings, so that I can load them on another machine? Is it as simple as copying the directories?
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May 18, 2010
I'm trying to set up a virtual machine environment in Centos5.5. My hardware fully supports virtualization, and I'm running qemu as the hypervisor with Virtual Machine Manager as the GUI to manage and create VMs. Host hardware is a Dell PowerEdge T710, with a quad core Xenon processor and four 1TB disks in a raid 6 array.
Within the Virtual Machine Manager when trying to create a new VM, there is the option to not "allocate entire virtual disk now". What format is created when you "allocate entire virtual disk now" and when you don't?
I want to create a qcow2 image format, but it doesn't look like it is supported. Does anybody know how to create a VM with a qcow2 image format?
When you create a blank disk with "qemu-img create -f qcow2 disk.qcow2 3700G", it indeed does create a qcow2 image. However, Virtual Machine Manager is unable to read these images, claiming that it is 15 megs or so in size (which is what it actually occupies in host disk space until you try and put a VM into it).
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Jul 22, 2010
I have CentOS 5.5 and try to create KVM virtual machine with CentOS 5.5 as a guest. But when I exec command:
virt-install --connect qemu:///system --name test --ram 1024 --file=/var/lib/libvirt/images/test.img --file-size=10 --vnc --cdrom=/var/lib/libvirt/images/CentOS-5.5-x86_64-bin-DVD-1of2.iso --vncport=10000 --accelerate --os-type=linux --nonsparse --livecd --hvm
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Sep 21, 2010
So I have apache running on my local computer. When I open up local development sites in tabs in my browser, apache threads are started. That's as it should be. However, when I close the tabs, close the browsers, and then run system monitor/system task manager, I get a long list of apache threads that are sleeping, waiting around for god knows what. How do I get these apache threads to stop hanging around?
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Oct 13, 2010
I need to test a code that needs to have high DiskIO and DiskBisy in a Linux environment. Is there any way that i can use to test this urgent need of mine.
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Oct 10, 2010
I have recently got tired of Windows and now trying to switch to Linux Kubuntu. how to download TCC for Linux, but I'm not able to use it. I used to add two right click menu entries(at WinXP) - Compile, and Compile and Run. Is there a way I can do it with Linux, for the .C format?
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Feb 21, 2010
I have been looking around the web and forums for a while for the best way to set up a development office. I havent really found many specifics. I am with a new company is just starting to really take their development services seriously. We've added a couple developers and designers in the last month. I am trying to figure out a the best way to set up our environment.
We have a couple dedicated virtual servers with Media Temple. Currently, we develop everything under a subdomain of a domain we set up for development. When the site is ready to go live we move the site to its own domain. I cant believe this is the best way to go about things. So, what do you guys suggest as a setup? Software, versioning, etc. We have the ability to setup a test server in house and then push out changes to the production server but not really sure if that is needed.
We do mainly Wordpress development. If this should be posted in another area,
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Jul 29, 2009
I successfully installed the virtual box on my fedora 8 system, and also created a virtual machine with windows xp OS, it works nicely, I try to configure the serial port of my virtual machine and try to configure the path for the port "screen shot are attached" it gives me the error message also the "screen shot are attached" for your review.Is kind of mistake is going on during the path setting, and how to set the path for configuring the serial port of my virtual machine so that I can use the hyper terminal tool of windows.
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Jun 29, 2010
I would like to configure and SAN disk. But I do not have a physical SAN disk. Is it possible to create and configure a Virtual SAN disk and work on it with virtual machines?I have around 400GB of space in my Laptop.
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Mar 15, 2010
I am trying to install mysql 5.1.44..so i downloaded the binary package, i extracted it and then followed the instructions that were in the manual but i keep getting this error when running this command
Code:
scripts/mysql_install_db --basedir=/home/mosty/mysql
the error is
Code:
Installing MySQL system tables...
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
100315 20:07:27 [Warning] Can't create test file /var/lib/mysql/mosty.lower-test
[code]....
You can try to start the mysqld daemon with:
shell> /home/mosty/mysql/bin/mysqld --skip-grant &
and use the command line tool /home/mosty/mysql/bin/mysql to connect to the mysql database and look at the grant tables:
shell> /home/mosty/mysql/bin/mysql -u root mysql
mysql> show tables
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May 27, 2010
I have installed CentOS on a VMwareWorktation and that CentOS, i also install VMware Server (suscess) and setup a guest OS that, but i start this Guest OS, an error show "You may not power virtual machine in virtual machine"...
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Feb 13, 2011
I was trying to setup a cross-platform development environment with qt, an thus looked for the qt-sdk package I used to install on my 32-bit machine.This package appears to have been deleted from 64-bit ubuntu maverick, but I do not understand the details...
- Has this package been renamed, or is there another one in place of it?
- Is this package going to be available again in the future?
PS: I am aware that one can install the sdk by downloading the installer, but for unattended install I prefer the apt package...
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Jun 28, 2011
Is there any open source virtual machine so i can study the source in order to create my own? i'm gonna write my own, so it doesNT matter if license does not allow further development of the code.
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