as explained here:
http://googlewebmastercentral.blogspot.com/2009/02/specify-your-canonical.html
this should be no big deal to implement, could clean up search engine indices, might reduce crawler-based traffic and would significantly reduce 404s after changing tags or categories, as there could ...

5 * * * * /usr/bin/wget -O /dev/null http://blog.ax11.de/index.php?serendipity[cronjob]=all>/dev/null 2>&1

will work on Linux systems. (Check, if wget is installed!) The original script misses an asterisk, which will cause crontab -e to fail, doesn't contain the right path for wget, which is ...

Yepp! ...und Auweh . Jetzt haut es hin aber, das heisst wieder alle internen Links anpassen :cry: - und fix eine neue Sitemap unter die Suchmaschinen bringen. Zum Glück gibt's dafür ja ein Plugin :)
Vielen Dank - und falls mir ein dieser Tage ein PHP- oder Perlscript aus den Finger rutschen sollte ...

OK. It was indeed a memory problem - the 8M that are defined in /etc/php4/php.ini seemed to be not enough for serendipity. As it tried to acquire just little more than 8 megs I just put 16MB there, which seems to do it without affecring anything else on the server.

Hallo allerseits,
noch ein ätzendes und für mich recht schwierig zu lokalisierendes Problem:
Serendipity ignoriert beim HTTP-Request anscheinend alles, was nach einem "#" kommt. Im Klartext: weder "Erweiterter Beitrag" noch Kommentare werden angezeigt. Bei Kommentaren als Pop-Up funktioniert ...

OK, I've got php error logging on my php.ini - and special logfiles active in my httpd.conf. So I'll reinstall the plugin and check the errorlogs as soon as I'll find some time during the not-so-busy hours.

Hi, I'm facing a rather weird problem with the guestbook plugin: as soon as it is actived the "edit plugins" page turns empty. Empty means, even the page source is completely empty. I have tried using a custom heading for the guestbook to avoid umlauts and I had a look at the source of the custom ...