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author | William Joye <wjoye@cfa.harvard.edu> | 2016-10-17 15:27:21 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-10-17 15:27:21 (GMT) |
commit | d604b7940b14efb191a38ef22c3a38fa3adba4d0 (patch) | |
tree | 1e99fa53dd7d1e2ec7987ea6a0fa79133f2637b8 /doc/pod/xpausers.pod | |
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Squashed 'xpa/' content from commit 5769d31
git-subtree-dir: xpa
git-subtree-split: 5769d3130452194aa50e98dc231ea74965339458
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diff --git a/doc/pod/xpausers.pod b/doc/pod/xpausers.pod new file mode 100644 index 0000000..4c3353b --- /dev/null +++ b/doc/pod/xpausers.pod @@ -0,0 +1,76 @@ +=pod + +=head1 NAME + + + +B<XPAUsers: Distinguishing Users> + + + +=head1 SYNOPSIS + + + + + +XPA normally distinguishes between users on a given host, but it is possible +to send data to access points belonging to other users. + + + +=head1 DESCRIPTION + + + + + +A single XPA name service typically serves all users on a given +machine. Two users can register the same XPA access points on the +same machine without conflict, because the user's username is +registered with each access point and, by default, programs such as +xpaget and xpaset only process access points of the appropriate user. +For example: + + XPA xpa1 gs 838e2f67:1262 eric + XPA xpa2 gs 838e2f67:1266 eric + XPA xpa1 gs 838e2f67:2523 john + XPA xpa2 gs 838e2f67:2527 john + +Here the users "eric" and "john" both have registered the access +points xpa1 and xpa2. When either "john" or "eric" retrieves +information from xpa1, they will process only the access point +registered in their user name. + + +If you want to access another user's XPA access points on a single +machine, use the -u [user] option on xpaset, xpaget, etc. For example, +if eric executes: + + xpaget -u john xpa1 + +he will access John's xpa1 access point.Use "*" to access all users +on a given machine: + + xpaget -u "*" xpa1 + +Note that the XPA Environment Variable +XPA_NSUSERS can be used to specify the default list of users to +process: + + setenv XPA_NSUSERS "eric,john" + +will cause access points from both "eric" and "john" to be processed +by default. + + + +=head1 SEE ALSO + + + +See xpa(n) for a list of XPA help pages + + + +=cut |