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Archive of posts from May 2023

• bash zfs snapshot manager

  bash tooling to send like set of zfs filesystems to backup server. made for kvm lxc container volumes.

• Hadoop HDFS/YARN HA cluster

  building and deploying hadoop

• Durable event streams with Kafka clustering

  building and deploying a kafka high availability cluster

• 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