After using svn for some years, I would like to try a „new“ approach. So I decided to migrate my repos to git and install something like a git server using gitolite. During the journey I was inspired by http://www.bigfastblog.com/gitolite-installation-step-by-step. There…

Testing SSL Connection download SSLPoke.class Start SSLPoke by invocing: java SSLPoke <host> <port> have a look at the error messages   Keystore Problems You can test a connection using a self-defined keystore to see if there is anything wrong with…

If there is some strage language configured and you are unable to read or understand an error message, just write the following before your command directly in the shell: LC_ALL=C For Example: LC_ALL=C rpmbuild -bb SPECS/test.spec  

Requirements debian 6 or 7 (as from zarafa 7.1.5) zarafa 7 (tested for 7.1.4 and 7.1.5 beta) mysql-server postfix apache2 php5 http://z-push.sourceforge.net/soswp/index.php?pages_id=39&t=Download#option=docs_tools Install dependencies by invocing: aptitude install postfix mysql-server apache2 php5 locales Zarafa-monitor needs en_US.UTF-8, which could be a…

Sometimes packets leave their line or get lost passing an iptables firewall. Even if you know what you do, there might be a typo or a single mistake in you iptables rules, driving you crazy. As I had to learn…

IO Performance measurement with bonnie++ To have a look at the performance, your storage devices has, bonnie++ is quite well. To write a file of 16 GB and see how fast it is, just do: sudo yum install bonnie++ cd…

Benötigte Pakete installieren: sudo yum install rpm-build rpmdevtools rpmlint Erstelle die Standard Ordnerstruktur im Home-Verzeichnis: rpmdev-setuptree Paket bauen:  .spec File nach <home>/rpmbuild/SPECS kopieren Sourcen nach <home>/rpmbuild/SOURCES kopieren als nicht-root Benutzer in das Verzeichnis <home>/rpmbuild wechseln Paket bauen mit: rpmbuild -bb SPECS/paketname.spec

Contrib Zweig zu Paketquellen hinzufügen: deb http://ftp.de.debian.org/debian/ squeeze main contrib Paket installieren aptitude update && aptitude install open-vm-tools  Kernel-Module installieren module-assistant auto-install open-vm -i  

Check_http beherrscht von Hause aus die Auswertung von HTTP Status-Codes. So führt ein 500er sinngemäß zu einem Critical-State. Das Verhalten bei Redirects (30x) lässt sich beeinflussen. Nur auf den Rest hat man keinen wirklichen Einfluss. Je nach Einsatzzweck kann es…

Search search for string in files recursively grep -R „Suchstring“ *  search for string in stdout cat /var/log/syslog | grep ‚ERROR‘  count lines in output cat /var/log/syslog | grep ‚ERROR‘ -c search for a file recursively find . -iname „settings.py“ search…