CNI failed to setup DNAT rules for our Podman containers, leaving them unreachable.
How I recovered an unbootable EX3400 after a failed zeroize and avoided an unnecessary RMA.
IPv6 privacy extensions are great for personal devices, not so much on a server.
Migrating from RVM to rbenv (ruby management)
Dead simple Puppet testing with shell and SSH that you probably should avoid.
Generating SAN certificates using Ruby's OpenSSL library