Networking Fundamentals
Network Fundamentals for DevOps A few weeks ago I started learning computer networking from scratch - from physical internet (Devices, LAN,WAN,MAN, etc.), internet addressing, OSI model, TCP/IP model,
Aug 27, 20266 min read67
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Networking for DevOps: DNS, Security Groups, and the Commands I Use to Debug "Why Won't This Connect"
Learning the basics is one thing, but figuring out "Why won't this connect?" when a service refuses to communicate with another service is the first true test. But before jumping to troubleshooting co
Aug 28, 20267 min read22
Linux Architecture, Explained the Way I Wish Someone Had Explained It to Me
Before touching a single command, I spent time understanding how Linux is actually structured, because every tool I'd learn after this (Jenkins, Docker, Ansible) runs on top of it, and debugging any o
Aug 28, 20262 min read3