Networking

GNU/Linux server are great, cost-effective way for businesses to store and share data. GNU/Linux is open-sources, so it provides plenty of resources and community cooperation . However, that also brings security concerns. If you’re going to run a GNU/Linux server, you NEED to know how to secure it properly. 1. Updates the server The first thing you used do is update the OS to the latest version. Most VPS or cloud-based server update when you deploy them but still update. Run this commands based on the OS you are running. If you don’t know then run: ’ cat /etc/issue `. This will tell you. ...

What is a IP Address? An IP address is Internet Protocol Address. Basically it is the address to a computer. There are two types IPv4 and IPv6. IPv4 is used everywhere but is every old. IPv6 is not used every much but is newer. IPv4 An IPv4 address looks like 127.0.0.1. It is kinda of a complete technology to understand. So there is public and private address. Do to some compact math there are only 4 billion IPv4 address in the world but there are 16 billion internet facing devices in the world. I may suck at math but 16 is bigger than 4. ...