In this tutorial we will teach you how to setup an alternative DNS server called PowerDNS. It licensed under the GPL and can even be forked on Github. Unlike Bind,... Read more
Backing Up Your Data If you store any customer or personal data on a Linode, it’s important to make regular backups. Data can become corrupted or inaccessible for any number... Read more
How to Use LUKS for Full Disk Encryption on Linux Using LUKS encryption to Create a Secure Disk on Debian 8 Full disk encryption protects the information stored on your... Read more
Use One-Time Passwords for Two-Factor Authentication with SSH on CentOS 7 In this guide, you’ll learn how to use one-time passwords for two-factor authentication with SSH on CentOS 7. No... Read more
Introduction to FirewallD on CentOS FirewallD is frontend controller for iptables used to implement persistent network traffic rules. It provides command line and graphical interfaces and is available in the... Read more
Obtain a Commercially Signed TLS Certificate If you intend to host a publicly accessible website which will use HTTPS, then you will want to install a commercially signed TLS certificate... Read more