[H-GEN] optus cable modem

[Sarah Hollings]

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Thanks!  I'll try this.  


Stephen Thorne wrote:
> 
> On Sat, Sep 23, 2000 at 04:06:26PM -0700, Sarah Hollings wrote:
> > I know there has been some discussion of this topic on the lists, but
> > damned if I can find it.
> >
> > I have Linux talking to optus just fine over the network, by using the
> > line
> > dhcpcd -h <optus-computer-name> eth1 [1]
> >
> > ...mostly.  If I have previously run my dual-boot system in windoze,
> > without powering off for too long.  Also, the dhcp client has a way of
> > clobbering my hosts file, and my resolv.conf which messes up my
> > peer-peer network.
> >
> > The set up I have btw is this:
> > ******************************
> > Pentium 667       <--5 port hub-->         Pentium P133
> > dual-boot Debian/Win98                     dual-boot Debian/Win98
> > 2 x NIC's                                  1 x NIC
> > ipmasq
> >
> > ( files resolv.conf and hosts are attached, these are the versions I get
> > after dhcpc has had a go at them.  The *.clobbered versions are the ones
> > I had, while I was trying to get my network going )
> >
> > Can anyone help me with the following issues, please???
> >
> > 1)  How do I address the clobbering of my network setup when dhcp
> > successfully runs?
> >
> > Get rid of dhcp?  I don't want to go and put in the ip addresses and
> > everything in by hand.  I know Optus seem to "never" change them
> > (effectively giving me a static ip) but they reserve the right to change
> > them, and probably would for network outages.  I want a transparent and
> > reliable solution.
> >
> > I am also trying to set up a testbed for a php/mysql/http(apache)
> > solution for dynamic pages on my website.  If any Optus techs are
> > listening, this is **NOT** going to run on my machine (apart from
> > testing and debugging) as I have space kindly made available to me on
> > diadora.client.uq.net.au.  However, if I want to leave my machine on,
> > and go to another site to try debugging the above testbed, I am going to
> > be buggered if Optus choose that moment to change their ip addressing
> > around.
> >
> > Use the -R option: dhcpcd -h <optus-computer-name> -R eth1  ...?
> > Yes, but this simply causes dhcpcd to put a symlink from
> > /etc/resolv.conf --> /etc/dhcpc/resolv.conf still leaving me with a
> > bunch of name problems.
> >
> > It also clobbers my hosts file.
> 
> Theres a cute little filesystem tag called "append only"
> 
> chattr +a hosts
> 
> or if you want, you can make it immutable
> 
> chattr +i hosts
> 
> to quote from man chattr
> 
>        A file with the  `i'  attribute  cannot  be  modified:  it
>        cannot  be  deleted  or renamed, no link can be created to
>        this file and no data can be written to the file. Only the
>        superuser can set or clear this attribute.
> 
> and
> 
>        A file with the `a' attribute set  can  only  be  open  in
>        append  mode  for  writing.  Only the superuser can set or
>        clear this attribute.
> 
> End the clobbering :)
> 
> Steve
> 
>   ------------------------------------------------------------------------
>    Part 1.2Type: application/pgp-signature

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