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CLUSH.CONF(5) ClusterShell User Manual CLUSH.CONF(5)
NAME
clush.conf - Configuration file for clush
DESCRIPTION
clush(1) obtains configuration options from the following sources in the following order:
1. command-line options
2. user configuration file (~/.clush.conf)
3. system-wide configuration file (/etc/clustershell/clush.conf)
For each parameter, the first obtained value will be used.
The configuration file has a format in the style of RFC 822 composed of one main section:
Main Program options definition
[Main]
Configuration parameters of the Main section are described below.
fanout Size of the sliding window of ssh connectors.
connect_timeout
Timeout in seconds to allow a connection to establish. This parameter is passed to ssh. If set to 0, no timeout occurs.
command_timeout
Timeout in seconds to allow a command to complete since the connection has been established. This parameter is passed to ssh. In
addition, the ClusterShell library ensures that any commands complete in less than ( connect_timeout + command_timeout ). If set to
0, no timeout occurs.
color Whether to use ANSI colors to surround node or nodeset prefix/header with escape sequences to display them in color on the terminal.
Valid arguments are never, always or auto (which use color if standard output/error refer to a terminal). Colors are set to [34m
(blue foreground text) for stdout and [31m (red foreground text) for stderr, and cannot be modified.
fd_max Maximum number of open file descriptors permitted per clush process (soft resource limit for open files). This limit can never
exceed the system (hard) limit. The fd_max (soft) and system (hard) limits should be high enough to run clush, although their values
depend on your fanout value.
history_size
Set the maximum number of history entries saved in the GNU readline history list. Negative values imply unlimited history file size.
node_count
Should clush display additional (node count) information in buffer header? (yes/no)
verbosity
Set the verbosity level: 0 (quiet), 1 (default), 2 (verbose) or more (debug).
ssh_user
Set the ssh user to use for remote connection (default is to not specify).
ssh_path
Set the ssh binary path to use for remote connection (default is /usr/bin/ssh).
ssh_options
Set additional options to pass to the underlying ssh command.
EXAMPLES
Simple configuration file.
clush.conf
[Main]
fanout: 128
connect_timeout: 15
command_timeout: 0
history_size: 100
color: auto
fd_max: 10240
node_count: yes
FILES
~/.clush.conf
This is the per-user configuration file.
/etc/clustershell/clush.conf
System-wide configuration file.
HISTORY
As of ClusterShell version 1.3, the External section has been removed from clush.conf. External commands whose outputs were used by clush
(-a, -g, -X) are now handled by the library itself and defined in groups.conf(5).
SEE ALSO
clush(1), nodeset(1), groups.conf(5)
http://clustershell.sourceforge.net/
AUTHOR
Stephane Thiell, CEA DAM <stephane.thiell@cea.fr>
COPYRIGHT
CeCILL-C V1
1.6 2012-02-15 CLUSH.CONF(5)