The funny thing about the massive crater created by the explosion of container management systems emerging lately is that it’s forcing people working in the systems administration field to come to terms with the container paradigm… or perhaps it’s more like sysadmins have been pushing business towards automating infrastructure which is part of the package… Continue Reading Kubernetes?
This is a collection of free and fast Anycast DNS Public resolvers (nameservers) that are available and well tested. DNS servers that are not on Anycast (e.g.: Yandex) are not included. Divided into 3 categories based on what they offer (unfiltered, “secure” dns and “family” dns), this list includes their IPv4, IPv6, DNS over TLS… Continue Reading Public DNS servers
Years ago I was asked by a hiring manager in an interview, “Can you explain the OSI 7 layer model”. I knew what OSI was back then, but no I could not. For the sake of the story, it’s this: Layer 7: The application layer. Layer 6: The presentation layer. Layer 5: The session layer.… Continue Reading That OSI Stuff You Don’t Really Need To Remember