Re: [uml-user] Create and setup multiple UMLs using a bash shell script

[Dan L. <ar...@co...>]

Or you could create the initial system with dhcp addressing, and set 
static addressing off of the mac.
That's what I do in some cases, even with real machines.  It just makes 
it easier.

Ferdinand O. Tempel wrote:

>On Fri, 2004-10-22 at 12:41 -0700, Jimmy Pan wrote:
>  
>
>>Hi, currently I create UMLs manully....and let them share the root file 
>>system using COW files.
>>But when i create a UML (say, uml_6) the first time, its ip 
>>address/router configuration will be
>>same as uml_1 (maybe there's a "default setting" in cow file or root 
>>filesystem so that they share
>>the information???), so i have to goto the UML login window then setup 
>>the ipaddress and the
>>network interfaces, hostnames manully by myself.....which means, if i 
>>want to create more UMLs
>>from my host computer by a bash shell script, this is impossible since 
>>you can't do it automatically
>>inside a script by ssh to the newly created UML(uml_6) bcoz its ip 
>>address/gateway hasn't been setup......
>>    
>>
>
>I solved this very same problem by creating a small filesystem on which
>I keep each UML host's configuration in the form of a patch file. 
>
>To boot the UMLs I use a shell script which calls the UML kernel with
>the proper parameters, under which the hostname of the UML to boot.
>On boot of the root_fs, init will kick off a "setup" script which:
>1) patches the (COW) filesystem to make it unique (network
>configuration, hostname, etc)
>2) replaces inittab with the runtime version (well, /etc/inittab is a
>symlink, actually)
>3) reboots
>
>This is in short the mechanism I use to spawn 4 networked UMLs from a
>single root_fs.
>
>I can provide you with a working example (root_fs, scripts, etc) on
>request.
>
>  
>