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CentOS 7.0 - man page for pmfind (centos section 1)

PMFIND(1)						      General Commands Manual							 PMFIND(1)

pmfind - find PCP services on the network
pmfind [-q] [-m mechanism] [-s service]
pmfind searches for instances of the specified PCP service being advertised on the network and prints a list of URLs corresponding to the services discovered. By default pmfind will search for servers advertising the pmcd(1) service, however an alternate PCP service to discover can be specified using the -s option. The -m option sets the mechanism that pmfind uses when performing service discovery. By default, or if the keyword "all" is specified, every available mechanism will be used (iteratively). Currently, "avahi" is the only supported discovery mechanism. The -q option suppresses all output on the standard output stream.
Environment variables with the prefix PCP_ are used to parameterize the file and directory names used by PCP. On each installation, the file /etc/pcp.conf contains the local values for these variables. The $PCP_CONF variable may be used to specify an alternative configura- tion file, as described in pcp.conf(5).
The value of the exit status from the command is zero when services were successfully located, one if no services were found, and two if an error occurred. In the event of an error, a message will be generated on standard error that is intended to be self-explanatory.
PCPIntro(1), pmcd(1), PMAPI(3), pmDiscoverServices(3), pcp.conf(5) and pcp.env(5). Performance Co-Pilot PCP PMFIND(1)