Rescue/Boot Floppies, Internet Access

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Hello!
But doesn't right clicking on the link and choosing "save target as" work
either?

On Thu, Aug 16, 2001 at 11:20:00PM +0100, Georgina wrote:
> Hi
> 
> I thought that I'd give your floppy system a go but as I use mainly Windows
> I tried to download your images via Internet Explorer.  Unfortunately it
> insisted that I was downloading text files.  Therefore, I wondered if you
> could either compress them to give an tgz or zip extension or just try
> renaming them with an extension?  So that IE is forced into binary mode.
> 
> Cheers.
> Gena
> 
> Announcing Blindness Advocacy and Self-Help at www.bashonline.org
> 
> Personal pages at http://www.visson.freeserve.co.uk/
>  Mobile (Cell) Phone 07951 196268
> 
> -----Original Message-----
> From: blinux-list-admin@redhat.com
> [mailto:blinux-list-admin@redhat.com]On Behalf Of Karl Dahlke
> Sent: 16 August 2001 20:39
> To: blinux-list@redhat.com
> Cc: "blinux-list@redhat.com"@redhat.com;
> "blinux-develop@redhat.com"@redhat.com
> Subject: Rescue/Boot Floppies, Internet Access
> 
> 
> Starting with my DOS days 20 years ago, up to the present,
> I have always had a floppy that I could use to boot or escue the computer,
> a floppy that talks to me, and accesses the drives,
> so I could fix things up as necessary.
> The floppy also included some repair programs such as checkdisk (dos),
> or fsck (Linux).
> All this holds true today, but now there is something new.
> 
> If you check my intro web page,
> http://eklhad.hispeed.com/linux/jupiter/
> you will find a couple of disk images.
> If you write these out to floppies,
> you can boot with the first, then load the initial ramdisk from the second.
> This brings up my speech adapter, and enough tools to view and modify
> dos, windows, and Linux files.
> You can also repair Linux file systems, repartition the disk,
> run lilo, create new file systems, unpack tarballs,
> reload utilities from your installation cd,
> and if your Linux system isn't too badly trashed,
> you can chroot into that partition and do almost anything from in there.
> 
> But what if it is trashed, or you don't
> have a working Linux system yet?
> 
> I've recently added a third disk image,
> with yet more programs and utilities.
> They just wouldn't fit on the first two floppies.
> You import this third floppy by typing "disk3".
> This provides enough machinery to access the internet,
> without using anything from the hard drive.
> I can run ftp, telnet, rlogin, and lynx.
> It's crude, but I can even use telnet to read and send mail,
> using the pop3 and smtp protocols.
> I can also download anything I need off the internet
> to repair or rebuild my system.
> 
> all this won't work for you unless you're somewhat lucky.
> 
> 1. You must have a synthesizer that I support.
> The generic setting actually works pretty well for most external synths.
> 
> 2. You have to have some idea how to use Jupiter;
> it's quite different from a screen reader, though it does have a screen
> review mode.
> 
> 3. You need a 3com, ne2000, or tulip compatible ethernet card.
> 
> 4. You need a hard connection, such as a cable modem.
> There wasn't room for ppp dial up software.
> 
> 5. You need to know your ip address and gateway address.
> 
> 6. You need at least 32MB of ram.
> 
> More instructions are available at my aforementioned web site.
> 
> Now here's the interesting thing.
> If a newby can get his computer up using these three floppies,
> and if the internet connection actually works,
> and if he issues the proper command,
> I can log into his box and help him fix the problem,
> or get Jupiter running, or whatever he is trying to do.
> This isn't a security risk.
> He has to type a special command,
> which lets me in once, and only once,
> and nobody gets in after that, unless he types the command again.
> I jusst tested it out on my wife's machine.
> I logged in and had access to the entire machine.
> 
> I think it's a pretty neat approach,
> especially for the Linux newby, without sight,
> who is absolutely overwhelmed by all of this.
> I can go in and do some of the hard work, e.g. kernels and lilo etc,
> and he can concentrate on learning the applications and the adapter.
> That's enough of a learning curve right there.
> 
> Others may wish to use this three floppy system, with or without Jupiter.
> For instance, you could replace the Jupiter kernel with a speakup kernel
> in floppy number one, and everything else should fly.
> It doesn't seem to matter what version of kernel you use.
> 2.2.16, 2.4.4, whatever.
> Of course it must be configured for networking,
> with the ethernet drivers built in,
> not as modules.
> 
> More work is required for process level adapters such as Emacsspeak and
> brltty.
> This is because the programs and shared libraries on my floppies
> are taken from an earlier Redhat distribution.
> You couldn't fit a hello world program from Redhat 7.0 or above
> on one floppy,
> because the shared libraries themselves are already larger than 4 meg,
> and when compressed, they just don't fit on a floppy.
> I mean you just can't do anything.
> So you'd have to recompile your adapter on an older system
> that uses the same shared libraries as my three floppies.
> Or - you might try to link your adapter statically,
> so it wouldn't draw upon the shared libraries, but this might still create
> a surprisingly large executable.
> Worse still, I have found some programs that don't seem to need a
> shared library until they are running.
> ldd doesn't give you a clue.
> And the program even starts up and seems to work,
> until it needs one of these libraries,
> then it better be there, or it just doesn't run properly.
> I found this out when I tried to get ftp to work.
> It needs libnss_files.so, but you sure don't get
> any indication of this - except that the program doesn't work properly
> when it tries to establish standard ports for standard services.
> I'm afraid a statically linked program might have the same problem.
> I just don't know.
> The best way is to rebuild any desired programs in the
> same environment that built your rescue floppies,
> whatever that may be.
> 
> I'd better keep this old redhat distribution around -
> I don't think I could replace it if it were lost,
> and I sure can't maintain my rescue floppies without it.
> 
> Sorry for the length of this message.
> It's a complex and important topic.
> 
> Karl
> eklhad@home.com
> 
> 
> 
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> 
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