Java
From Vague Hope Wiki
OpenJDK Heapdump
jmap -F -J-d64 -dump:live,format=b,file=/root/heap.bin 2232
Remote Debug Tomcat6
In /usr/sbin/tomcat6:
-Xdebug -Xrunjdwp:transport=dt_socket,address=62277,server=y,suspend=n