Understanding SSL Certificate PEM File and SSH PEM File with Examples
PEM (originally “Privacy Enhanced Mail”) file was initially invented to make e-mail secure. Now it is an Internet security standard.…
Convert SSL certificate from CRT to PEM
There are two major encoding schemes for X.509 certificates and keys: PEM (Base64 ASCII), and DER (binary). We can’t always…
Understanding Disk Partition in Linux – MBR vs GPT
A disk partition is a contiguous space of storage on a physical or logical disk that functions as if it…
4 Ways to Check Disk Partition with Examples in Linux
The first thing that we need to know is there is no C drive or E drive in Linux. We…
5 Ways to check disk size in Linux
This article is part of the following series. To check the disk size in Linux, you can use lsblk,…
Check Linux Block Device with Examples
A block device is a storage device that moves data in sequences of bytes or bits (blocks). These devices support…
Create AWS S3 Bucket with AWS Cli
Amazon Simple Storage Service (Amazon S3) is a scalable, high-speed, web-based cloud storage service. The service is designed for online…
Understanding AWS S3 with Examples
Amazon S3 (Simple Storage Service) is a scalable, high-speed, low-cost web-based service designed for online backup and archiving of data…
Understanding AWS VPC with Examples
Amazon Virtual Private Cloud (VPC) is a service that lets us launch AWS resources in a logically isolated virtual network…
Understanding FQDN with Examples
A Fully Qualified Domain Name (FQDN) is the complete domain name of a specific computer, or host, online. A FQDN…