Error port -v selfupdate

[rickrvo@…]

User-Mac:sinf user$ port -v selfupdate
--->  Updating MacPorts base sources using rsync
receiving file list ... done
rsync: mkstemp "/opt/local/var/macports/sources/rsync.macports.org/release/tarballs/.base.tar.sxLvwa" failed: Permission denied (13)
inflate returned -3 (3 bytes)
rsync error: error in rsync protocol data stream (code 12) at /SourceCache/rsync/rsync-45/rsync/token.c(419) [receiver=2.6.9]
rsync: connection unexpectedly closed (31 bytes received so far) [generator]
rsync error: error in rsync protocol data stream (code 12) at /SourceCache/rsync/rsync-45/rsync/io.c(453) [generator=2.6.9]
Command failed: /usr/bin/rsync -rtzv --delete-after rsync://rsync.macports.org/release/tarballs/base.tar /opt/local/var/macports/sources/rsync.macports.org/release/tarballs
Exit code: 12
Error: Error synchronizing MacPorts sources: command execution failed
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: /opt/local/bin/port: port selfupdate failed: Error synchronizing MacPorts sources: command execution failed

[mf2k (Frank Schima)]

The Priority field is only for use by Macports committers.

[ryandesign (Ryan Carsten Schmidt)]

You don't have permission, because you didn't use "sudo". You need to use:

sudo port -v selfupdate