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

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       pmhostname - report hostname

       $PCP_BINADM_DIR/pmhostname [hostname]

       pmhostname reports the name of the host hostname as returned by gethostbyname(3N).

       If  hostname  is not specified, then the local host name is retrieved using gethostname(2)
       and this is than passed to gethostbyname(3N).

       pmhostname provides a service for shell scripts that mimics the	logic  formerly  used  by
       Performance  Co-Pilot  applications  when trying to determine the official name of a host.
       PCP applications no longer use DNS-based heuristics, and therefore this command is  depre-

       If  gethostbyname(3N) fails, the input host name (either hostname or the result from call-
       ing gethostname(2)) is reported.

       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 config-
       uration file, as described in pcp.conf(5).

       named(1),  nsd(1), nslookup(1), gethostname(2), gethostbyname(3N), pcp.conf(5), pcp.env(5)
       and resolver(5).

Performance Co-Pilot			       PCP				    PMHOSTNAME(1)
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