Security

How VMware Tenants Apply the Fortanix Encryption Policy

January 14, 2021

The Fortanix Key Management Service (KMS) provides enhanced privacy compliance in multi-tenant cloud environments. Learn how to expose the policy as a service provider, and apply it as a tenant on PhoenixNAP's Data Security Cloud.

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What is Umask and How to Use It

December 30, 2020

The umask command on Linux lets you interact with your system's default permissions and fine-tune permissions for new files and folders.
This tutorial shows you what umask is, how it works, and how best to use it.

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How to Install OpenVPN on CentOS 7 or 8

November 19, 2020

In this tutorial, you will learn how to set up OpenVPN on a CentOS 7 server and how to connect to OpenVPN from a client machine. Establish a secure connection to a company network, bypass geo-restrictions, and allow you to surf the web using public Wi-Fi networks while keeping your data private with OpenVPN.

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How to Build Linux Kernel From Scratch {Step-By-Step Guide}

November 12, 2020

All Linux distributions come with a predefined kernel. However, they are usually outdated. Follow this step-by-step guide to learn how to build a Linux kernel from scratch.

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How to Fix the SSH "Connection Refused" Error


Fix SSH connection refused by troubleshooting some of the common causes for this problem. Take a look of all the reasons for connection refused error and how to fix the problem.

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Ubuntu 16.04 End of Life in April 2021

October 21, 2020

Ubuntu 16.04 EOL is coming up on April, 2021. This Linux distribution will no longer be supported with updates and patches, so make sure you upgrade or mitigate your systems on time.

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How to Make curl Ignore Certificate Errors

October 13, 2020

Learn how to make curl ignore certificate errors by adding the required option to the command. Ignoring certificate errors, should only be practiced for development purposes. Skip checking for SSL certificates only if needed.

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How to Generate & Set Up SSH Keys on Debian 10

September 14, 2020

This article will help system administrators configure SSH Keys on Debian 10. The instructions allow you to set up encrypted credentials quickly, log in remotely, and disable authentication.

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10 Docker Security Best Practices


This article provides 10 container security tips that can help you prevent attacks and privilege breaches. It explains the importance of keeping containers updated, privileges and resources limited, and provides other useful security practices.

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CentOS 6 End of Life in November 2020

September 4, 2020

CentOS 6 EOL is coming up on November 2020. This Linux distribution will no longer be supported with updates and patches, so make sure you upgrade or mitigate your systems on time.

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