Quick Look is a package to collect system statistics and output pretty graphics and (X)HTML pages. It allows system administrators to have a quick look on the status of their systems, without going for a more advanced (and heavier) solution.

Quick Look currently shows…

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Working for a very big customer, I found a very nasty interaction between Sun HttpClient (JDK 1.4) and Http  Load Balancers.

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After my past experience with bad hosting provider, I am happy to say I have find a very good hosting service. If you need VPS hosting, Rimuhosting is a very good choice.

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I have read http://www.manageability.org/blog/stuff/chandler-failure and I think it is very danger way of exposing concepts.

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If you need to work on cluster, is nice to have syncronized terminals to send the same commands in parallel.

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Use the sed -i command

sed -i.BAK 's|foo|bar|g' files # -i does in-place replacement
perl -pi.bak -e 's|foo|bar|g' files                # or
perl -pi.bak -e 's|foo|bar|g' `find /pathname -name "filespec"`

Perl is the preferred way, but on some production system you must use the old good sed. For some tips on sed take a look to its faq. Another very powerful command is xargs. Xargs is a rapid  way to process files containing spaces, using  a  combo with find:

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