[pocket-linux] Pocket Linux system with busybox, ulibc, etc...

[petre daniel]

yeah.an ultra small linux distro for routing and nat-ing and server purposes..


At 07:54 PM 6/1/2004, you wrote:
>I wanted to forward this email to the list to see how many people would be 
>interested in creating an ultra-small system using the technologies that 
>Artemiy describes below.  If this looks like something you would like to 
>do, please email me.  Provided there is a fair amount of interest I can 
>set up some resources on the Pocket Linux SourceForge site to get this going.
>
>Dave
>
>
>-------- Original Message --------
>Subject: Pocket Linux Guide
>Date: Tue, 1 Jun 2004 16:40:42 +0300
>From: Artemio <theman at artemio.net>
>To: dhorton at member.fsf.org
>
>Dear David,
>
>my name is Artemiy.
>
>At first I want to tell you that I have just looked through your Pocket Linux
>Guide and I am amazed - it is so simple to understand, but so in-depth and
>technically rich. Great work!
>
>I just wanted to suggest you include some hints on two modern technologies
>that just beg to get into your guide ;-)
>
>1. SquashFS is a read-only compressed filesystem that uses zlib and sometimes
>is better to use for ramdisks than gzipped ext2 filesystems (basically
>because it may be more secure to have a read-only fs, and it sometimes also
>compresses a bit tighter than gzip). I myself am the author of SquashFS HOWTO
>which may help you get some info and tips.
>
>link: http://tldp.org/HOWTO/SquashFS-HOWTO/index.html
>
>2. UPX (the Ultimate Packer for eXecutables) is an amazing utility that does
>unbeliavable things. It can compress binaries and linux kernels (!) providing
>a built-in decompression code. UPX can compress a gzipped kernel from ~750K
>to ~650K, and gives 30-50% compression ratio for binaries. Note that the guys
>that created UPX also were hired by NASA to develop compression technologies
>for their two latest Mars rovers!!! ;-)
>
>link: http://upx.sourceforge.net/
>
>3. Busybox (I think you already know about this one) is a collection of loads
>of basic shell and network utilities, ash, vi, init and other stuff that
>compiles into a single binary. It can help you create a 800 Kb root fs
>(uncompressed, ~350-400K compressed).
>
>link: http://www.busybox.net
>
>4. uClibc - the micro impementation of GNU libc. It has a collection of
>pre-compiled toolchains with all-ready gcc and header files. All in all, you
>can produce much more minimal binaries with this one, The whole libc.so of
>uClibc takes around 280K.
>
>link: http://www.uclibc.org/
>
>1+2+3+4 = For example: I compiled busybox in uClibc environment, compiled a
>2.4.20 kernel, then UPXed both and got a 950Kb system (!).
>
>Thanks a lot again for your guide and I really hope these two tips will help
>you make it even better ;-) I myself wanted to write a micro-linux
>
>
>Sincerely,
>Artemio.
>
>--
>Artemio.net ::: world's official Artemio resource ::: http://artemio.net
>[local time 16:24:45 (GMT +3) 1 June 2004] [system uptime 5 hr 46 min]
>
>
>
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