Do you know about honeypot servers?

What are a honeypot server and its uses?

Every one of you must be aware of the term hacking and on the web, domain hackers have to make malicious requests to take down the servers. There are many kinds of attacks that they try to perform and these honeypot servers are ways to analyze their attack patterns. What is a honeypot server? Honeypot

Points to mind while debugging production issues.

Points to mind while debugging production issues.

It’s always hectic to debug production issues and it is always wise to have a predefined step to debug any issues. But there can be scenarios where those steps may not work. In those scenarios also you should always have a flow in mind what to check. In this article, we are going to see

How traceroute works

How traceroute works using ICMP error messages.

In this article, we will talk about how traceroute works using ICMP. ICMP stands for Internet Control Message Protocol. This is used in the network layer just above the IP because ICMP messages are also encapsulated in IP packets. Now let’s have a look at how traceroute works using ICMP. When you type traceroute destination

Docker Networking

How docker networking works.

In recent articles, we talked about containers a lot like the below articles. In this article also we are going to continue the same trend and talk about how docker networking works. To understand very basic docker networking we need some knowledge beforehand. Lets read about namespaces in linux, veth pair and bridge. Namespaces: Namespaces


What are SNAT and DNAT

If you are working as a DevOps you must have heard the name NAT. In this article, we will talk about them and SNAT and DNAT. NAT (Network Address translator) is generally used when you want to hide one side of the network and show it as a single IP. NAT keep a connection table

How TCP works

Why is TCP a reliable Protocol for sending data.

TCP stands for transport control protocol and it works in Transport Layer of Internet Protocol Stack. In this article we will see in short why is TCP a reliable protocol for sending data. This article is meant for very basic understanding and doesn’t deal with packets and other algorithms. We will talk about them in

How Internet Protocol Works?

How Internet Protocol works?

IP stands for internet protocol and it powers the whole internet. In this small article we will see How Internet Protocol works for you and your software. Internet Protocol basically powers the whole internet. IP works in network layer and each packet or say datagram or packet in the network need to interact to it

Are you preparing for DevOps and SRE Interview?

Here is a book for you.

Interview preparation and interview questions for DevOps and SRE

A good reads for last-minute preparations for handling DevOps and SRE interviews at companies like LinkedIn, Visa, Atlassian, etc.