RMS Meta

Code to cloud for people & nature

Talk to a Trainer

Insights & playbooks

RMS Meta Blog

Practical guidance on DevOps, SRE, FinOps, observability, and Linux operations—written by the engineers who ship and operate products every day.

#Networking (2) #OSI (1) #IP (1) #Fundamentals (4) #Security (1) #Malware (1) #Linux (2) #CLI (1) #Kernel (1) #Operating Systems (1) #DevOps (1) #Containers (1) #Programming (1)

Dec 25, 2025

OSI Layers and IP Address Classes: A Quick Primer

A clear rundown of the 7 OSI layers and the classic IPv4 address classes.

#Networking #OSI #IP #Fundamentals

Dec 25, 2025

Understanding Malware Types + Handy FS Tools (tree, ncdu)

What viruses, malware, trojans, spyware, and worms are; a quick note on the GNU project; plus two useful file-system tools: tree and ncdu.

#Security #Malware #Linux #CLI #Fundamentals

Dec 25, 2025

Kernel Basics: How the Linux Kernel Works

What the kernel is, what it does, and how it manages hardware, processes, memory, and IO.

#Kernel #Linux #Operating Systems #Fundamentals

Dec 25, 2025

Foundations: Software, DevOps, Containers, Servers, and How Code Flows

A beginner-friendly overview of software types, DevOps, containers, servers, network flow, programs/code/instructions.

#Fundamentals #DevOps #Containers #Networking #Programming