[postgis-users] Use of Postgis/postgresql without installation?

[Gérald Fenoy]

Maybe crasy to answer my own mail but .... 8cD

You could find some example of bootable OpenBSD CD scripts I've made 
there's about one year. But it must always wroks I think ... 
Nevertheless you could read the file as an inspiration for your 
project.


Le 4 mai 05, à 14:30, Gérald Fenoy a écrit :

>
> Le 4 mai 05, à 14:00, Andreas Neumann a écrit :
>
>> Hi all,
>>
>> I have a question: is it possible to start and use postgresql/postgis 
>> from a read only cd-rom without first doing a setup? I am thinking 
>> about using postgis for a CD/DVD based mapping application but the 
>> goal is to run the application without a setup, directly from the 
>> DVD. Is that possible?
>>
>
> 	Hi alone :)
> 	Yes you could/it's possible (as every things ... ;cD ), you maybe 
> need to mount some filesystem into ram in order to write some files 
> ... If youre system is an unix like so you need to google for kernel 
> option RAMDISK_HOOKS and maybe also the kernel module called 
> mount_union if you want to be able to use generated configuration file 
> ... You could see example into /usr/src/sys/arch/your_arch/conf/ ...
>
> 	For linux platform you simply read doc about bootable disk creation, 
> you'll use the same principle which consist on mounting an image file 
> (frequently called initrd) into ram to use it as the root filesystem. 
> For linux u need a linuxrc or init script which will be launched just 
> after carging the kernel image into memory.
> 	For example on linux flopy disk you could use an old things I've made 
> here : http://www.djayux.net/Floppy/
>
> Hope that help.
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