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 it. If this is successfull, the error should be on jvm-configuration. There might be a […]

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 problem on differently localized systems. Just reconfigure it by: dpkg-reconfigure locales Installation Zarafa (manually) Download […]

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 /<destination> sudo bonnie++ -s 16000 Top for MySQL Sometimes it is quite nice to have […]

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 and replace string in multiple files (replace bike with car in all html files in […]