With the help of the cf api, cf cli and jq one can pretty easily check the amount of memory/storage allocated for apps/containers deployed in CF:
Using docker-machine with VMWare Fusion may result in some weird behaviour if one has configured a static lease for the machine that docker will use.
Ever wondered what your multi threaded Java application is doing? A thread dump sorted by CPU consumption can help to find out. Having only access to a shell (bash) as well as to the tools bundled with the JDK I came up with the following solution