Microservices, Monitoring, Infrastructure as Code & Test Automation

A very useful open source tool is Rundeck.  Rundeck will dispatch, and process shell commands and scripts across servers either physical, virtual or cloud based. Its a useful tool to allow you automate ad-hoc tasks and procedures. Visit http://rundeck.org/

Suricata is a high performance free open source IDS, IPS and Network Security Monitoring engine.

http://suricata-ids.org/

The basic install is along these lines

wget http://www.openinfosecfoundation.org/download/suricata-1.4.tar.gz
tar -xvzf suricata-1.4.tar.gz
cd suricata-1.4

bash autogen.sh

./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
make
sudo make install