After installation of jPSKmail I did not succeed in starting the program. command below and selection 2 . Now pskmail is OK. 73 martin pa3dsc #update-alternatives --config java There are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status ------------------------------------------------------------ 0 /usr/bin/gij-4.4 1044 auto mode 1 /usr/bin/gij-4.4 1044 manual mode * 2 /usr/lib/jvm/java-6-sun/jre/bin/java 63 manual mode