mcollective插件（shell plugins）功能在Linux系统上无所不能
# mco shell --helpMCollective Distributed Shell
Usage: mco shell
The CMD is a string
EXAMPLES:
mco shell uptime
--np, --no-progress Do not show the progress bar
-1, --one Send request to only one discovered nodes
--batch> --batch-sleep SECONDS Sleep time between batches
--limit-seed NUMBER Seed value for deterministic random batching
--limit-nodes, --ln, --limit COUNT
Send request to only a subset of nodes, can be a percentage
-j, --json Produce JSON output
--display MODE Influence how results are displayed. One of ok, all or failed
-c, --config FILE Load configuratuion from file rather than default
-v, --verbose Be verbose
-h, --help Display this screen
Common Options
-T, --target COLLECTIVE Target messages to a specific sub collective
--dt, --discovery-timeout SECONDS
Timeout for doing discovery
-t, --timeout SECONDS Timeout for calling remote agents
-q, --quiet Do not be verbose
--ttl TTL Set the message validity period
--reply-to TARGET Set a custom target for replies
--dm, --disc-method METHOD Which discovery method to use
--do, --disc-option OPTION Options to pass to the discovery method
--nodes FILE List of nodes to address
Host Filters
-W, --with FILTER Combined>
-S, --select FILTER Compound filter combining facts and> -F, --wf, --with-fact fact=val Match hosts with a certain fact
-C, --wc, --with-class> -A, --wa, --with-agent AGENT Match hosts with a certain agent
-I, --wi, --with-identity>
The Marionette Collective 2.2.4
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