Lessons learned: Gephi not starting up

Posted on by David Vassallo

Scenario: When using Ubuntu Trusty (14.04.3LTS) Gephi 0.82 initializes but gets stuck on "Loading Cached Objects" Solution: The default Gephi startup bash script does not correctly initialize the JAVA path (it uses $jdkhome) The solution is simply to add the following to the beginning of the startup script (~/gephi/bin/gephi) export JAVA_HOME=/usr/lib/jvm/default-java jdkhome=$JAVA_HOME The full script is … Continue reading Lessons learned: Gephi not starting up

Beyond the basics : Logging Forensics with ELK (Elasticsearch, Logstash, Kibana)

Posted on by David Vassallo

In a previous blog post we explored how to use the ELK stack to build a fast, flexible and efficient log forensics platform. In this post we'll move beyond the basics and address some issues that are specific to configuring ELK to be a better log forensics platform. In particular, we'll be addressing querying - specifically running regex … Continue reading Beyond the basics : Logging Forensics with ELK (Elasticsearch, Logstash, Kibana)