DirectAdmin is a graphical web-based web hosting control panel designed to make administration of websites easier. DirectAdmin is often called DA for short. From time to time, you’ll want to ensure your services are updated, for new features and to fix any potential security issues. In this blogpost I will perform a step-by-step upgrade of CentOS and DirectAdmin. Be sure to make a backup or snapshot of your server before updating anything. Logon to your server with SSH, i.e. with Putty. Make sure you got root access. yum check-update This command allows you to determine whether any…
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![[How to] Update Root Hints on DNS Servers](http://35.204.150.161/content/images/wordpress/2016/05/052516_0906_HowtoUpdate1.png)
The authoritative name servers that serve the DNS root zone, commonly known as the “root servers“, are a network of hundreds of servers in many countries around the world. The 13 root name servers are operated by 12 independent organizations. Sometimes the IPv4 and/or IPv6 addresses are changed or are added to the list. Thus a good practice is to update your DNS Server Root Hints occasionally. For this blog post the screenshots are taken from a DNS Server running on Windows Server 2008 R2, but for Windows Server 2003 to Windows Server 2012 R2 there are…