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80 lines
2.3 KiB
Groff
80 lines
2.3 KiB
Groff
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.\" Copyright status unkown
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.Dd April 19, 1999
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.Dt setiathome 1 LOCAL
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.Os FreeBSD
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.Sh NAME
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.Nm setiathome
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.Nd the SETI@home client program
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.Sh SYNOPSIS
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.Nm
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.Op Ar options
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.Sh DESCRIPTION
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.Nm
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is the UNIX version of the SETI@home client. It downloads radio telescope
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data from a network server, analyzes the data looking for signals of
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extraterrestrial origin, and uploads results to the server, repeating this
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cycle indefinitely. See http://setiahome.ssl.berkeley.edu for more
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information.
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.Pp
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The first time you run
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.Nm
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it will interactively ask you for email address, name, country etc. This
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info is stored in a file and no interaction is needed when you run the
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program subsequently.
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.Pp
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After this you can run
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.Nm
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in the background, and direct its output to /dev/null if you like.
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.Pp
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.Nm
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can be freely aborted and restarted. It saves its state in files,
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and will pick up where it left off.
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.Pp
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If you wish
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.Nm
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to be started automatically, you may wish to setup a cron job. The supplied
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script "set_cron_job" will create a script for running setiathome and add it
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to your crontab. To use it, change to your
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.Nm
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directory and type "./set_cron_job" at the prompt. For more information on
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cron jobs see the crontab(1) manual page.
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.Pp
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.Nm
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requires about 0.5\ MBytes of disk space in it's working directory, and about
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12\ MBytes of memory. If you have ample physical memory, it's work load
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should be almost undetectable.
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.Sh OPTIONS
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.Bl -tag -width indent
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.It Fl login
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Login or create new account.
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.It Fl countries
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Show list of country codes.
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.It Fl version
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Show software version
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.It Fl nice Ar N
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Set "nice" priority to
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.Ar N
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(default 1);
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.It Fl email
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Send email (to login email address) on errors. Useful if you run in
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background directed to /dev/null.
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.El
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.Pp
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.Sh FILES
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The program generates several files with .txt extension
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in the directory from which it's run.
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These should not be modified.
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.Pp
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If you want to run multiple instances of setiathome
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(on a multiprocessor machine, or on multiple machines
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that share a filesystem) each one must be run
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in a different directory.
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.Pp
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setiathome uses a lock file (lock.txt) to prevent
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multiple instances from running in the same directory.
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.Sh AUTHORS
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SETI@home was developed by David Anderson, Jeff Cobb, Charlie
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Fenton, David Gedye, Kyle Granger, Eric Korpela, Matt Lebofsky,
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Peter Leiser, Brad Silen, Woody Sullivan, and Dan Werthimer.
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.Pp
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