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cereal 0.1
March 2007


automated, logged serial terminal management system


cereal - client program to attach to cereal session


cereal command [args]


cereal is the client program to attach to a running cereal session.


cereal takes various subcommands:
attach SESSION
Attach to (take control of) cereal session SESSION. This puts the user into a cereal console, provided by a command-restricted screen session. To detach from an attached session, use "C-\ d". For help on other available commands, use "C-\ ?". Cereal uses a limited instance of screen to provide the console. See screen(1) for more info on the available commands. ‘a’ may be used in place of ‘attach’.
follow [options] SESSION
Follow (watch, without being able to intervene) a cereal session SESSION. The options are: -c [--cat] to cat log instead of follow; -p [--path] to output just the path to the log file and exit. ‘f’ may be used in place of ‘follow’.
list [SESSION]...
List session(s). With no arguments, will list all sessions. The leading three characters in the list indicate: whether the session is running (+) or not (-) or in some unknown state (?), whether the user can attach to the session (a) or not (-), whether the user can follow the session (f) or not (-). If the session state is unknown (?), it’s usually because the user asking for information about the session can’t read the session stat file. ‘l’ may be used in place of ‘list’.
help Output a brief usage summary. ‘h’ or ‘?’ may be used in place of ‘help’.


Exit status is 0 if OK, 1 if minor problems, 2 if serious trouble.


Written by Jameson Rollins and Daniel Kahn Gillmor.


If the invoking user does not have read and execute access to the cereal session’s supervise directory, ‘cereal list’ may not always indicate that session’s status accurately.


Report bugs to <>.


Copyright © 2007 Jameson Rollins and Daniel Kahn Gillmor
This is free software. You may redistribute copies of it under the terms of the GNU General Public License <>. There is NO WARRANTY, to the extent permitted by law.


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