How to Use Clonezilla to Back Up and Migrate VPS

In a previous tutorial, I explain the process of backing up your hard drive with Clonezilla, which is a free open-source disk imaging and cloning tool. Clonezilla can also be used to back up and migrate your Linux VPS (Virtual Private Server). The Importance of Backing Up Your VPS On March 10 2021, a fire…


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How to Use Clonezilla to Back Up and Migrate VPS

How to Set Up APT Package Repository on Debian/Ubuntu Server

This tutorial is going to show you how to set up your own package repository on Debian/Ubuntu server. If you are a long-time Linux user, I’m sure you have installed software packages by adding an upstream repository such as Spotify or Jelly media server. Most of the time you just enter sudo apt install package_name…


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How to Set Up APT Package Repository on Debian/Ubuntu Server

Reasons to Use Softphones in Your Call Center

Communication greatly improved with the advancement of technology. From pagers and landlines, mobile phones came into popularity. Besides personal use, businesses also benefited from this development as it allowed them to talk to their customers over the phone, including those in the call center industry. If you still use the traditional hard phone for your…


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Reasons to Use Softphones in Your Call Center

How to Fix Common Let's Encrypt/Certbot Errors

If you are a Linux server administrator, you probably know that Let’s Encrypt is a free, automated, and open certificate authority (CA) that issues domain-validated TLS certificates, so you can enable HTTPS on your website or web application without spending a dime. Previously we discussed the proper procedure for obtaining and installing Let’s Encrypt TLS…


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How to Fix Common Let's Encrypt/Certbot Errors