Archive of posts from August 2020

  • Redis HA clustering

    building and deploying a redis high availability cluster using sentinel, prometheus redis exporter and grafana dashboard
  • k8s armbian mini cluster - Part 2 Configure

    below is the development ansible project to setup an arm64 kubernetes (k8s) cluster. for this example cluster setup i used 3x nanopi fire3, though they have limited ram for k8s they do have 8 cpu cores and gigabit lan!
  • k8s armbian mini cluster - Part 1 Setup

    below is the development ansible project to setup an arm64 kubernetes (k8s) cluster. for this example cluster setup i used 3x nanopi fire3, though they have limited ram for k8s they do have 8 cpu cores and gigabit lan!
  • Creating server certificates with your own custom root Certificate Authority

    generating a self signed server certificate for https security is easy enough but having your own certificate authority (ca) to sign with means you to only have to import one certificate to your devices for trust. this is the process i followed to generate my own root ca certificate and...
  • Juniper SRX210 initial recovery and upgrade

    factory reset, root password recovery and upgrade of srx210 firewall.
  • bpftrace first look with CentOS 8

    installation of bpftrace tool to instrument kernel probes