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02-13-2007, 12:18 PM
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#1
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Member
Registered: Jan 2006
Distribution: Debian Testing
Posts: 675
Rep:
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Xen usage ideas
Hey guys I have xen on both my laptop and my server. Both in which I am having issues with networking... But thats not what this thread is for... I can understand using xen to run windows or something like that but I can't see why you would want to run different flavors of linux. Sure you can have a different server per machine but is that really worth it? Any way I was thinking of making a xen machine to start on my computers to either act as a honeypot or maybe a more reinforced gateway to the internet... Are either of these decent? And what would / or are you using xen for? Thanks,
nomb
PS - if anyone is good with xen and wants to help me fix mine please let me know.
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02-13-2007, 01:12 PM
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#2
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Senior Member
Registered: Aug 2003
Location: Berkeley, CA
Distribution: Mac OS X Leopard 10.6.2, Windows 2003 Server/Vista/7/XP/2000/NT/98, Ubuntux64, CentOS4.8/5.4
Posts: 2,986
Rep:
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Be careful about making a honey pot because you don't want that machine in your network. Put it out on the DMZ in front of the router, or on a different subnet. If it's on the same network and can communicate with your LAN, then you're only inviting them in!
I don't use Xen, but I can see interesting uses for it for testing out other Linux distros or testing your current distro without hosing your real system. You know, create a virtual network and all that.
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02-13-2007, 01:22 PM
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#3
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Senior Member
Registered: Sep 2005
Location: Out
Posts: 3,307
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Can you really run windows on linux with the free version of Xen?
I don't understand what the people at xen want to do. Anyway, who would run windows nowadays
Virtualization is good for hosting companies, they can provide you a root account. In such machines, there are sometimes 20 root, each on different OS.
Its good also for security: you could put the ftp server in 1 instance, the http server in another, the ssh in another,...
A bit of reading for the honeypot:
http://www.hack.lu/images/9/98/Xebek-HackDotLu06.pdf
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02-13-2007, 01:24 PM
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#4
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Member
Registered: Jan 2006
Distribution: Debian Testing
Posts: 675
Original Poster
Rep:
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Right that makes sense. But would it work if I move my server out of the DMZ zone, then put the IP Address to the virtual interface in the DMZ zone. Since the virtual machine will be in a file, anything they do wont affect my server. Or do I just not get it...
nomb
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02-13-2007, 01:26 PM
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#5
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Senior Member
Registered: Sep 2005
Location: Out
Posts: 3,307
Rep:
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Do not think that virtualisation is 100% secure.
Even if _almost_ impossible, it happened that some virtualisation software got detected and the host machine got compromised.
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02-13-2007, 01:28 PM
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#6
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Member
Registered: Jan 2006
Distribution: Debian Testing
Posts: 675
Original Poster
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I will admit I tried to get XP going and I got throught the first blue screen where it copies the files over, then it restarts into the actualy setup. However when mine restarts it doesn't come back, and if I manually restart it, I get just a black screen... But I have seen people run windows with the free xen as long as you can do full virtualization.
Like I said before I can't even get my machines networked... I tried adamantix and I got it installed fine, however on my laptop I am using a wifi connection and if I switch the conf file from eth0 to wlan0 my wifi can't connect and xen also kills my eth0 on my laptop and server so when I try to ifup it says device not found... So ya thats about as far as I got to play with it.
nomb
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02-13-2007, 02:14 PM
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#7
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Member
Registered: Jun 2005
Location: India
Distribution: Redhat,Fedora,DSL,Ubuntu
Posts: 238
Rep:
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hi,
virtualiztion mainly used for cost savings, if i am right and as a developer u can try networking, clustering etc all these things in a single pc
i am running fc6 and it asks me the installation media to be an nfs share.
1)Is it possible to install from cds or iso images?
2)Also i heard that the format of the installation media must be in the form supported by anaconda,is it true?
3)anyone tried debian,bsd or solaris?what are the results?
thanks for any response
i tried Windows virtual server 2005 r2 by installing debian on it.it works fine.
regards,
Nirmal Tom
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02-13-2007, 02:14 PM
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#8
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Member
Registered: Jun 2005
Location: India
Distribution: Redhat,Fedora,DSL,Ubuntu
Posts: 238
Rep:
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hi,
virtualiztion mainly used for cost savings, if i am right and as a developer u can try networking, clustering etc all these things in a single pc
i am running fc6 and it asks me the installation media to be an nfs share.
1)Is it possible to install from cds or iso images?
2)Also i heard that the format of the installation media must be in the form supported by anaconda,is it true?
3)anyone tried debian,bsd or solaris?what are the results?
thanks for any response
i tried Windows virtual server 2005 r2 by installing debian on it.it works fine.
regards,
Nirmal Tom
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02-14-2007, 10:36 AM
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#9
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Member
Registered: Jan 2006
Distribution: Debian Testing
Posts: 675
Original Poster
Rep:
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You might want to delete one of your posts since they are redundant, but to answer your questions:
1) With xen you can install from cd or iso with no problem.
2) If I'm understanding correctly then no.
3) A lot of people who run xen seem to run of debian with great success. Not sure about the other two.
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02-14-2007, 01:10 PM
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#10
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Senior Member
Registered: Sep 2005
Location: Out
Posts: 3,307
Rep:
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Quote:
Originally Posted by nomb
3) A lot of people who run xen seem to run of debian with great success. Not sure about the other two.
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For Solaris, its very realistic : it's as slow as a real one
I've played a bit for a few days with solaris.
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02-15-2007, 04:12 AM
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#11
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Member
Registered: Jun 2005
Location: India
Distribution: Redhat,Fedora,DSL,Ubuntu
Posts: 238
Rep:
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hi,
thanks, i will try and tell u the results
regards,
Nirmal Tom.
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