Monitoring process memory/CPU usage with top and plotting it with gnuplot

If you want to monitor the memory and CPU usage of a particular Linux process for a few minutes, perhaps during a performance test, you can capture the data with top and plot them with gnuplot. Here is how:

Troubleshooting javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure

Re-published from the Telia Tech Blog. The infamous Java exception javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure is hardly understandable to a mere mortal. What it wants to say is, most likely, something like this: Sorry, none of the cryptographic protocols/versions and cipher suites is accepted both by the JVM and the server. For instance the server