Security

What is chroot jail and How to Use it?

April 15, 2021

A chroot jail is created when a system's root folder is changed to once chosen by a user.
This tutorial covers possible uses for a chroot jail and how you can set one up.

Read more

RPKI Explained - Secure BGP Routing

April 1, 2021

RPKI makes BGP more secure and reliable. Learn about the flaws of BGP, what RPKI is and how it works.

Read more

TLS vs SSL: What's the Difference?

March 25, 2021

TLS and SSL protocols serve to encrypt the data exchanged between a user and a web server.
This tutorial will show you how they work, what makes them different, and which one you should ultimately use.

Read more

How To Use The Modprobe Command In Linux

February 11, 2021

The Linux kernel is extensible and uses modules (drivers) to make the communication between hardware and software run smoothly. Learn how to add and remove official modules using the modprobe command.

Read more

How To Use The Passwd Command In Linux

January 26, 2021

Passwords are the most important feature of security. This article explains and shows examples of how to use the passwd command in Linux to manage passwords for accounts.

Read more

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.

Read more

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.

Read more

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.

Read more

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 However, they are usually outdated.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.

Read more

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.

Read more
© 2022 Copyright phoenixNAP | Global IT Services. All Rights Reserved.