[svlug] Rsync across SSH & alternatives

Skip Evans skip at bigskypenguin.com
Fri May 14 09:48:46 PDT 2010


Hey all,

What about rcp? I'm wondering if that might work for this as well.

The files are very small: just a couple of lines of a CSV file 
for some graph data. And as each one is updated about once a 
minute on the first server they'd like to then push the file 
to the second server where the data is read for graphing 
purposes by a PHP web app.

When an rcp runs does it do a regular log in with the local 
and remote keys? I use it right now to do a backup, but I'm 
not up on exactly how it connects. The reason I wonder about 
this is speed. I know when you ssh to a server you wait for 
the log in prompt, and then password validation, but I'm 
thinking rcp is faster because it is using the keys to 
validate access?

Would rcp be faster than rsync?

Also, thanks for the suggestions of netcat, auto-sshfs, too. 
I'm reading up on those as well.

Skip

-- 
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Skip Evans
PenguinSites.com, LLC
503 S Baldwin St, #1
Madison WI 53703
608.250.2720
http://penguinsites.com
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