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When using Docker to run Git commands inside a container, such as git pull, you might encounter errors like: fatal: detected dubious ownership in repository Host key verification failed. Could not [...] Read more

When I first started learning about the Linux kernel, I had no real understanding of what I was getting into. The only guide I had was a book I was reading — but without any clear direction or [...] Read more

Imagine you buy hosting or create a VM in the cloud. Each machine that you buy or rent has an IP address. That typically has the form x.x.x.x where x > 0 and x < 255. Example: 192.168.1.1 Once [...] Read more