I have managed to get my blog migrated to pyblosxom. Finally a proper software and less hassle than iBlog. And everything for free and Python powered!

Finally I managed to upgrade PostgreSQL and PostGIS on my two machines running Mac OS 10.4.5 (Dual G5 and G4 Powerbook 12'') over the last weeks and now I am running v8.1.2 and 1.1.1 with geos-2.2.1 and proj-4.4.9.
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ps2pdf (Ghostscript) turns out to be buggy in some special cases where a landscape oriented GMT plot is converted to PDF. It just ignores the landscape orientation and makes a portrait one of it. This might be due to a bug in (an older version of) Ghostscript. Anyway, Apple's native version of ps2pdf "pstopdf" takes slightly longer in processing, but does the job correctly.

Subversion is a revision control software like CVS. It allows you to keep track of changes you made to any project, either software projects, data projects or your thesis.

Good tutorial to set up svn on Mac OS X:
http://www.distracto.net
Subversion home page:
http://subversion.tigris.org
Pre-compiled binaries for Mac OS X on Martin Bott's homepage:
http://www.codingmonkeys.net/mbo