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authorWilliam Joye <wjoye@cfa.harvard.edu>2018-01-23 16:54:55 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2018-01-23 16:54:55 (GMT)
commit5bf617b1e9347322b8b16419fd5e74107e8b1c26 (patch)
treee5bbb785b82b35bc62df41bebca8b540078aaf76 /xpa/man/mann/xpausers.n
parent51e1f85047b34f095ed69a3024d696997d2667c8 (diff)
parent0ebcd152c10d2eae6b62f16e7138aa187a8a1bdd (diff)
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Merge commit '0ebcd152c10d2eae6b62f16e7138aa187a8a1bdd' as 'xpa'
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+.\" ========================================================================
+.\"
+.IX Title "xpausers n"
+.TH xpausers n "July 23, 2013" "version 2.1.15" "SAORD Documentation"
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+\&\fBXPAUsers: Distinguishing Users\fR
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+\&\s-1XPA\s0 normally distinguishes between users on a given host, but it is possible
+to send data to access points belonging to other users.
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+A single \s-1XPA\s0 name service typically serves all users on a given
+machine. Two users can register the same \s-1XPA\s0 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:
+.PP
+.Vb 4
+\& XPA xpa1 gs 838e2f67:1262 eric
+\& XPA xpa2 gs 838e2f67:1266 eric
+\& XPA xpa1 gs 838e2f67:2523 john
+\& XPA xpa2 gs 838e2f67:2527 john
+.Ve
+.PP
+Here the users \*(L"eric\*(R" and \*(L"john\*(R" both have registered the access
+points xpa1 and xpa2. When either \*(L"john\*(R" or \*(L"eric\*(R" retrieves
+information from xpa1, they will process only the access point
+registered in their user name.
+.PP
+If you want to access another user's \s-1XPA\s0 access points on a single
+machine, use the \-u [user] option on xpaset, xpaget, etc. For example,
+if eric executes:
+.PP
+.Vb 1
+\& xpaget \-u john xpa1
+.Ve
+.PP
+he will access John's xpa1 access point.Use \*(L"*\*(R" to access all users
+on a given machine:
+.PP
+.Vb 1
+\& xpaget \-u "*" xpa1
+.Ve
+.PP
+Note that the \s-1XPA\s0 Environment Variable
+\&\s-1XPA_NSUSERS\s0 can be used to specify the default list of users to
+process:
+.PP
+.Vb 1
+\& setenv XPA_NSUSERS "eric,john"
+.Ve
+.PP
+will cause access points from both \*(L"eric\*(R" and \*(L"john\*(R" to be processed
+by default.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+See xpa(n) for a list of \s-1XPA\s0 help pages