--- title: "jawher smida (@jawher) | Hashnode" description: "jawher's journal. Read the latest articles by jawher smida on Hashnode." url: "https://hashnode.com/@jawher" --- @jawher # jawher smida @jawher · Joined March 2022 jawher's journal ### [GitHub](https://jawher-smida.hashnode.dev/github?utm_source=hashnode&utm_medium=feed) how to Sync your fork to the original repository 1 min read · [jawher-smida.hashnode.dev](https://jawher-smida.hashnode.dev/github?utm_source=hashnode&utm_medium=feed) [Aug 25, 2022](https://hashnode.com/posts/github/6306ed1e0e45d758b7f81783) ### [Markdown](https://jawher-smida.hashnode.dev/markdown?utm_source=hashnode&utm_medium=feed) Introduction Markdown is a better way to write HTML, without all the complexities and ugliness that usually accompanies it. Figure 1: The Markdown Mark Some of the key benefits are: Markdown is simple to learn, with minimal extra characters, so it's... 10 min read · [jawher-smida.hashnode.dev](https://jawher-smida.hashnode.dev/markdown?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/markdown/62fe4083aa9d01fcb62f01fa) [Aug 18, 2022](https://hashnode.com/posts/markdown/62fe4083aa9d01fcb62f01fa) ### [Introduction To Firewalls](https://dev.ideaops.tech/introduction-to-firewalls?utm_source=hashnode&utm_medium=feed) What are firewalls and what level of protection do they provide to keep your computer and its data safe and secure? 3 min read · [dev.ideaops.tech](https://dev.ideaops.tech/introduction-to-firewalls?utm_source=hashnode&utm_medium=feed) [Aug 14, 2022](https://hashnode.com/posts/introduction-to-firewalls/62f90c04fffdab933bdea55b) ### [IPV4, What you need to know](https://dev.ideaops.tech/ipv4-what-you-need-to-know?utm_source=hashnode&utm_medium=feed) INTRO hey, everybody welcome back nice seeing you here again, and if you are new here I'm happy that you seeking knowledge. in this blog, I'm going to talk about IPV4, for those who haven't any clue what it means, well, in short, it's the fourth vers... 2 min read · [dev.ideaops.tech](https://dev.ideaops.tech/ipv4-what-you-need-to-know?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/ipv4-what-you-need-to-know/62e7e45d053e6bd57842a6fb) [Aug 1, 2022](https://hashnode.com/posts/ipv4-what-you-need-to-know/62e7e45d053e6bd57842a6fb) ### [Subnet](https://dev.ideaops.tech/subnet?utm_source=hashnode&utm_medium=feed) INTRO Hi today I aim to introduce you to SUBNETTING, actually, it is the most important step in networking, and through this blog, we'll understand why. SUBNET a subnet is to split a large network into a grouping of smaller, interconnected networks ... 2 min read · [dev.ideaops.tech](https://dev.ideaops.tech/subnet?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/subnet/62e313b8d7b405bea155932f) [Jul 28, 2022](https://hashnode.com/posts/subnet/62e313b8d7b405bea155932f)