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7 posts

Wannabe Geek


Topic # 42371 3-Oct-2009 04:26
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Hey guys,

I've never really messed around with Routers via SSH, I'm guessing it's a form of embedded linux (I'm sure there will be many different types of systems out there on various routers, but I'm generalising here)

I was wondering if anyone had any ideas on what you can actually DO in here, it seems that most systems are read only (yet I assume you would be able to reflash them via this interface or you wouldn't be able to configure your router here) - I have heard of a program to install and it flips images at this level, packet sniffers spring to mind etc

I guess to lay it out - what I'm looking for here is

a) What can be done with this - applications to install etc (there won't be much space - from what I've seen most home broadband routers seem to have about 16 megs total, with only 500kb or so free
b) How can you go around doing it - like I said, from what I've seen the file system was read only - can you change this?

I have a little bit of knowledge when it comes to Linux, not much but I have at least used it before :P

Thanks guys!
JC

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150 posts

Master Geek
+1 received by user: 3


  Reply # 264608 17-Oct-2009 16:32
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Ahh, a voyage of discovery awaits you...


There are 2 basic Linux distros for WIFI routers - OpenWRT and DDWRT:


http://openwrt.org/
http://www.dd-wrt.com/site/index


Both of them allow Linux and some small applications (eg VPN clients, public access point providers) to be loaded.


The routers have flash based memory, which allows them to be re-flashed with these distros. These distros provide a file system that occupies part of the flash, and this is where apps are stored.


Have fun!

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