Ubuntu Server Hardware Requirements

Select the right Ubuntu version for you - Easy Linux tips project

Ubuntu can run commercial cloud services without any issues, provided the application(s) offering the cloud service are properly configured.

One such application is OwnCloud which is quite efficient at its work for heavy usage and can be deployed for commercial/private usage.

Software first:

Ubuntu 16.04 LTS is suggested. MySQL/MariaDB for database. apache + php 7 for webserver. Most recent version of OwnCloud

For hardware requirements :

The system you will need depends on the number of concurrent users trying to access the server. For following list, I assume you have 100 concurrent users accessing. (This answer depends on opinion hence, I am giving answer from my personal experience).

  1. 6-10 HDDs (4 or 8 TB each) running in RAID10 configuration
  2. CPU - Intel Xeon processor with >8 cores. (Dual CPU system with two processors is also possible for heavy workloads).
  3. RAM - 32 GB or higher size ECC(error correcting) RAM is preferred.
  4. You don't need GPU.
  5. Motherboard - You need a motherboard which should have at least two Ethernet ports, and dual socket board if you plan a dual CPU setup.

(Hard disk size depends on your required need. RAM greater than 32GB and two CPUs on a board are almost essential for commercial setup with heavy workload.)

A few starting points:

High end server Motherboards: Asus, SuperMicro

CPUs: Select CPU based on CPU socket of the board. Memory : Choose supported memory based on the motherboard.

Configuration

Even with very good hardware, poorly configured software will make the server fail. Hence, the tricky part is how well is the components of OwnCloud optimized for workload.

Some things to consider while setting up :

  • Concurrent connections allowed in apache
  • apache timeout duration should be appropriate.
  • Concurrent php connections per page served.
  • Max size of file transfers in php.
  • Max number of database connections.
  • Optimization in tables of database may be needed (optimization of InnoDB tables and DB parameters)
  • Owncloud - Memory Caching should be used (APC/APCu on Ubuntu is preferred)
  • Owncloud - Cache directory location should be on a fast drive(maybe MLC or SLC based SSDs)
  • Use SSL for security (necessary for commercial work).
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