Troubleshooting with lsof

Often I am asked to help troubleshoot various application running in a client’s environment that I have never run before. One of my front pocket tools is lsof. What process is listening on port 443? In this case -s TCP:LISTEN Read more…

Using JMX on Vagrant

Getting JMX remote from my desktop to a Vagrant machine took a few tries. Vagrant file configuration to add more memory and forward the HTTP and JMX ports Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| config.vm.box = "ubuntu/xenial64" config.vm.network "forwarded_port", guest: 8080, host: 8080 Read more…