How much RAM to install cPanel on an unmanaged VPS or a Dedicated Server?

arindamb · Aug 8, 2015

I do some researches on the forum about unmanaged VPS or unmanaged dedicated server which need to install a hosting control panel for it?

Should I use free panel like webmin, ZPanel or go for paid ones as directadmin or cPanel but cPanel is very expensive?

My main question is How much RAM required to install cPanel on an unmanaged VPS or a Dedicated Server?

RDO Servers · Aug 8, 2015

arindamb said:
I do some researches on the forum about unmanaged VPS or unmanaged dedicated server which need to install a hosting control panel for it?

You can install a control panel on your VPS or dedicated server, but it is not a "need". It is not necessary, but it sure does make life easier for you!

arindamb said:
Should I use free panel like webmin, ZPanel or go for paid ones as directadmin or cPanel but cPanel is very expensive?

This is completely up to you. cPanel is the most popular by far, but there are other quality control panels. Compare the panels, look at the available features, support, etc and decide what will work for your needs. a cPanel licence for a VPS is about $15-$20/month. For a dedicated server it is about $35-$50/month

arindamb said:
My main question is How much RAM required to install cPanel on an unmanaged VPS or a Dedicated Server?

I believe cPanel recommends at least 512mb of RAM (which is not much at all!) I would go with at least 1GB, but of course it also depends on what else you will have installed on the server, the number of sites it will be running, and the amount of traffic to the sites.

ElixantTechnology · Aug 8, 2015

Hey,

Actually @RDOServers cPanel upped the system requirements for their latest version. The reason for this is not only the new customizations to cPanel itself but also the huge leaps that other software that cPanel utilizes has made.

cPanel recommends a MINIMUM of 1GB of Ram to run cPanel, however it recommends at least 2GB for best performance and even more if you've got the server populated with more than a few websites. The MAIN reason for this is cPanel has made a shift away from MySQL and is now using MariaDB as its default database engine. As most know MariaDB uses a little bit more RAM than MySQL did, however offers a lot better performance.

ElixantTechnology · Aug 8, 2015

It's pretty crazy actually, they jumped up the cPanel DNSONLY requirements even to 768MB, rightfully so though because it used to be 256MB; and a small DNS cluster would have kernel crashes frequently due to lack of memory.

MightWeb · Aug 9, 2015

What is the usage inteded for? If you're just using it personally, I'd say webmin would be good enough. Combine that with a good web stack (such as CentMinMod perhaps?) and you've got a stable setup at less than 512 MB of RAM (though you should likely keep at least 512 free for spikes, depending on how many visitrs you get).

If you're talking as a hosting solution where you'll be providing, cPanel is the only option I could ever recommend.

onlinestorehelp · Aug 13, 2015

Or just do like me and get a reseller hosting account where you have both Cpanel and WHM and you can segregate your accounts. Much, much easier and less worry about figuring out a VPS...

MarcS · Aug 13, 2015

cPanel can be easily installed on VPS with 1 GB RAM (2 GB for optimal performance) with 20 GB Disk space. If you are going to offer Hosting services to your customers, I would suggest cPanel as most comprehensive and robust solution. I do not recommend any other free control panels instead of cPanel.

ElixantTechnology · Oct 8, 2015

Just a heads up,

With the recent cPanel update, they have made it so upon installation of the software it checks that the minimum requirements are actually availible, making them mandatory.

You will no longer be able to install cPanel on a machine with less than 2GB of RAM, and for cPanel DNSONLY you will need a minimum of 768MB of RAM.

smallbudgethosting · Nov 9, 2015

768MB for DNSONLY is really pushing it. I recommend at least 1GB to 1.5GB.

Vishnu · Jan 4, 2017

Recommended Control Panel will be cPanel used by Hosting professional.cPanel can be installed in VPS Server with minimum 1 GB RAM to run a Small/Average Site.But if you are gona host multiple sites make sure you have minimum 2 - 4 GB Of RAM to get an Better performance

GswHosting · Jan 5, 2017

From cPanel official site:
OS version 6 minimum 768 MB Recommended 1GB RAM, disk min. 20 GB reco. 40GB
for OS version 7 min. 1GB rec. 2GB RAM
Warning:

These requirements are the minimum requirements. A server that meets only these requirements may not function properly, especially when the server runs certain high demand functions.

END of discussion.

If you ask me I will tell you get VPS with 3-4GB RAM 50+GB disk, because I learned that all requirements are made for functionality and not for some standard use.
If you want to have multiple websites then you need more resources.

How much RAM to install cPanel on an unmanaged VPS or a Dedicated Server?

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