Great vpn appliance for work or home

If you don’t mind tinkering, setting up your own VPN server for your home is relatively easy.  Especially if you take advantage of Turnkey Linux’s pre-built openvpn appliance.  If you aren’t familiar with Turnkey, I highly recommend you head over to http://www.turnkeylinux.org/openvpn to check them out. I recently set this up at home; for obvious reasons (media […]

Graphing Prstat raw data with Python, matplotlib and pandas

On a recent performance testing engagement the customer didn’t have a resource monitoring solution in place.  Luckily, most Unix OS’s have awesome tools, just takes a little tinkering. So, for the project requirements, I needed the following two system level KPI’s: CPU usage Java HEAP usage As you may know, prstat can’t provide data for […]

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