Found 32 results

Multiple DNS lookups with Bash

Multiple DNS lookups with Bash scripting for a predefined list of domain names, more fun but this time using our bash scripting skills. We all know and must agree that Bash is still a very powerful tool when properly used, we can script pretty much anything at the OS level from small tasks like removing files, truncating logs or initiating backups up to more large scale tasks like deploying code locally or even on remote servers. In this really small tutorial we will guide you how to perform multiple DNS lookups by simply scripting this task in Bash. Table of […]

How to generate CSR in Linux

In this example we will explain how to generate CSR in Linux using shell prompt or terminal window. A CSR is mostly required when you want to secure for example a website or a connection between one or more services that requires a secure connection. Any SSL issuer will always ask you to generate and present a CSR. We’ve chose CentOS for this Certificate Signing Request example as our main operating system. Required packages First step is to make sure that we have openssl and openssl-devel packages installed and updated in order to generate our very first CSR. The package manager […]