Cisco updated the CCNA 200-301 exam objectives to version 1.1 in 2024, adding automation, programmability, and AI networking…
Picking a web server or reverse proxy used to be a two-horse race between Nginx and Apache. Caddy…
PowerDNS Authoritative Server is one of the more capable open-source DNS servers available, particularly when you need database-backed…
DNS is one of those services that works perfectly until it doesn’t, and when it breaks, everything breaks.…
Picking a DNS server for your infrastructure comes down to what you actually need it to do. A…
Most Linux distributions ship with IPv6 enabled by default. That works fine until it does not. Legacy applications…
NFS (Network File System) lets Linux servers share directories over the network so other machines can mount and…
Red Hat Enterprise Linux CoreOS (RHCOS) is the immutable operating system running on all OpenShift 4.x nodes. Unlike…
A forward lookup zone is the most common DNS zone type – it resolves hostnames to IP addresses.…
Servers and workstations that provide network services need predictable, fixed IP addresses. Static IP configuration ensures your machine…
DNS A records map hostnames to IPv4 addresses, and PTR records handle the reverse – mapping IPs back…
Every time you open a browser, send an email, or query an API, IP routing decides how your…
