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Configuring the Linux Sudoers File

Introduction Do you ever wonder why you must type “sudo” while trying to execute certain commands in a Linux or Unix Operating System environment? Sudo is actually an abbreviation, standing for “super-user do”. When you use the sudo command, you can run programs and execute commands with the security privileges of another user. By default, the sudo command allows system …

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How to Build Robust Security Measures to Protect Your Servers

Introduction When working on cloud infrastructure, your primary concern is making sure your applications are fully operational. One important inclusion of your setup and deployment process is to build effective, thorough, and robust security measures into your apps or systems before they are offered to the public. Instead of retroactively implementing security measures post-deployment, it is important to ensure that …

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OpenSSL Essentials: Working with Private Keys, Certificate Signing Requests, and SSL Certificates

OpenSSL is an open-source cryptography library that includes a variety of commands used in the TLS Protocol and Public Key Infrastructure. OpenSSL was released in 1998 and is available for Windows, Linux, macOS, and BSD systems. The OpenSSL command will help you perform various tasks including Certificate Signing Request (CSR), private keys generation, and SSL certification. OpenSSL is important because …