DNS Cluster - Minimum / Recommended Requirements
Hi there,
I'm a newbie just taking over my client's two WHM servers. It appears that they never implemented a DNS clustering solution, and rather outsourced all DNS to a 3rd party called Cloudns. While I'm sure Cloudns is a lovely service, I'm not sure having your DNS separate from WHM/cPanel is that wise. So now I'm thinking of using the cPanel DNS Clustering solution as mentioned here in the docs:
- What is the best operating system? Please limit choices as I'm a newbie and just want whatever is mainstream
- How much RAM?
- How many vCPUs?
- And disk space?
The customer wants to save money, so I really need minimum and maybe recommended.
I can't just spin up 4 new powerful name servers and give them a big bill.
Thank you so much.
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Hello, The installation requirements for cPanel and DNSOnly are the same. THey can be found here: Installation Guide - System Requirements - Version 84 Documentation - cPanel Documentation - What is the best operating system? Please limit choices as I'm a newbie and just want whatever is mainstream
cPanel will only support installations on CentOS, CloudLinux, RedHat or AWS's Amazon Linux.- How much RAM? - How many vCPUs?
The installation instructions also provide the minimum and recommended hardware specifications.- And disk space?
For the DNSOnly servers you wouldn't need a ton of Disk Space since all they'd be holding is the DNS zone files.0 -
For those reaching this post and who is like me is too busy to RTFM and just wants a simple answer, the minimum requirement for a DNS standalone server is 1 GB RAM. I tried running one on Google Compute Engine's free tier called f1-micro (1 vCPU, 0.6 GB memory), but when the installation kicked off it aborted because it needed 800 MB RAM. We decided to drop GCE and moved to a $5 Digital Ocean Standard server and there it's working. 0
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