Some 32 bit Operating Systems (OS) limit the amount of RAM they will support. Exceeding that limit may contribute to a number of problems. Therefore it is not supported. Upgrading to a 64 bit Operating Systems (OS) is recommended. A list of 32 bit Operating Systems (OS) with limited RAM is below.
Operating System (OS) |
Bit |
RAM Limit (GB) |
CloudLinux 5 | 32 bit | 64 |
CloudLinux 6 | 32 bit | 8 |
Debian 6 | 32 bit | 32 |
RHEL/CentOS 5 Minimal/LAMP | 32 bit | 64 |
RHEL/CentOS 6 Minimal/LAMP | 32 bit | 16 |
Ubuntu 8.04 LTS | 32 bit | 64 |
Ubuntu 10.04 LTS | 32 bit | 64 |
Ubuntu 12.04 LTS | 32 bit | 64
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