cURL or Client URL is a great tool to acess different protocols programmatically or simply on command line. Over 90% of the websites on the internet are using SSL to protect themselves form unauthorized interception.

Log4Shell is an Remote Code Execution (RCE) vulnerability (CVE-2021-44228) in one of the most used enterprise Logging product Apache Log4j. Its affecting Apache Log4j versions 2.0 through 2.14.1.

MD5 (Message Digest 5) is the most widely used hashing algorithm. It is fast and reliable in "most cases". A hash function takes any amount of data file/text and produces an output if fixed length.

Code snippet to get hostname in bash Linux shell. There are multiple ways to get hostname.

Various command snippets for to create a Zip in Linux. To use Zip command you need to install it first if system do not have it.