pmhostname - report hostname
pmhostname reports the name of the host hostname as returned by
If hostname is not specified, then the local host name is
retrieved using gethostname(2) and this is than passed to
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 deprecated.
If gethostbyname(3) fails, the input host name (either
hostname or the result from calling gethostname(2)) is
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 configuration
file, as described in pcp.conf(5).