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bsd_comp.o needed for 2.4.18-27.7.x kernel

 
 
ynotssor
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      07-16-2003, 10:05 PM
Greetings,

We have a small, specialized machine at a remote location that is collecting data and occasionally using wvdial and pppd to connect
and upload the data.

The pppd has log entries: "modprobe: Can't locate module ppp-compress-21", which means that the bsd_comp.o module, which compresses
the data for transmission, can't be found. We don't have enough disk space on this remote cheapy to hold the kernel-sources and
compile the module in place, as we need that disk space to spool the data.

Is there anywhere where the pre-compiled module can be found? The OS is RH7.1 with 2.4.18-27.7.x kernel.


Thanks.


tony

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Clifford Kite
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      07-17-2003, 12:15 PM
ynotssor <"ynotssor"> wrote:
> "Clifford Kite" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)


>> Do you really need BSD CCP; does the peer actually support it? Modems
>> compress data and any CCP algorithm is only going to help with data
>> that it happens to compress significantly better.
>>
>> I'd just put
>>
>> alias ppp-compress-21 off
>>
>> in /etc/modules.conf to get rid of the messages and forget it.


> Well, it's several dozen MB of plain text data that's been gzipped,
> and is sent twice daily over a 26.4 Kbps dialup connection (remote
> location), so anything that speeds up the data transfer is welcomed,
> and yes the peer supports it.


> I don't know if that particular algorithm will allow any more
> compression of the gzip file, but it would be good to make a
> comparison of transfer times and see if we gain any economy.


I don't know with absolute certainly either, but the data for a already
compressed file is usually close to being uniformly distributed and no
compression algorithm will help much - not even the modem compression.

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