HOWTO install SQuirreL In Ubuntu Maverick [10.10]: - apt-get install openjdk-6-jre - apt-get install libmysql-java - download the .jar installer from here: http://squirrel-sql.sourceforge.net/#installation - start the SQuirreL application - go to the driver thing for 'MySQL' - add a classpath for: /usr/share/java/mysql.jar