what is an epic in jira?
An epic is often a larger user story that is broken down into smaller stories in order to be worked on. The important thing to note about epics is that they aren’t just an agile tool. Teams of all work…
Category DevOps
Check SSL Certificate Chain with OpenSSL Examples
certificate chain is an ordered list of certificates, containing an SSL/TLS Certificate and Certificate Authority (CA) Certificates, that enable the receiver to verify that the sender and all CA’s are trustworthy. The chain or path begins with the SSL/TLS certificate,…
Exploring Tcpdump Filters with Examples
Let’s dive into the fascinating world of tcpdump! It’s a command-line packet analyzer that allows you to capture and inspect network traffic. Think of it as a microscope for your network. We’ll break down how to use its filtering capabilities…
Convert CER CRT DER PEM PFX Certificate with Openssl
SSL certificates can have a variety of file extension types. There are a few simple OpenSSL commands that will correctly change the file format easily. We’ll walk you through the process in OpenSSL to convert a certificate to PEM. x.509…
6 ways to Find Files By Name in Linux
The best way to find files by name in Linux is using the find command with the “-name” option. This command will search through the directories for files that have the specific word in their name. This can be very…
4 ways to Search Text in Files with Grep Command in Linux
Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. When it finds a match, it prints the line with the result. The grep command is handy when searching through…
What is ICMP type?
ICMP type is the first 8 bits in the ICMP message header. It provides a brief explanation of what the message is for so the receiving network device knows why it is getting the message and how to treat it.…
Exploring ICMP Protocol with Examples
Internet Control Message Protocol (ICMP) is a network layer protocol that serves the purpose of error reporting and network path diagnostic functions. ICMP messages are sent using a basic IP header. The protocol field in IP header will be set…
Best and Fastest DNS Servers For PS4 PS5 in 2024
If you’re a gamer, then you know that a fast and reliable DNS server is essential for an optimal gaming experience. In this blog post, we will discuss the best DNS servers for PS4 PS5 and how to optimize your…
Understanding Traceroute Command with Examples
The traceroute command is used to trace the exact routing hops and the path that the packets take to the remote destination. This command’s purpose is to test and display the communication link between a source host and a destination…