System requirements


Memory requirements for running an Nextcloud server are greatly variable, depending on the numbers of users and files, and volume of server activity. Nextcloud needs a minimum of 128MB RAM, and we recommend a minimum of 512MB.

Working platforms

  • Server: GNU/Linux (Debian 8 (Jessie), 9 (Stretch), SUSE Linux Enterprise Server 11 SP3 & 12, openSUSE LEAP 42.1 or newer, Red Hat Enterprise Linux/CentOS 6.5 and 7 (7 is 64-bit only), Ubuntu 14.04 (Trusty) LTS, 16.04 (Xenial) LTS, 18.04 (Bionic) LTS)
  • Web server: Apache 2.4 (mod_php, php-fpm) or Nginx (php-fpm)
  • Databases: MySQL or MariaDB 5.5+; PostgreSQL 9, 10; Oracle 11g (currently only possible as part of an enterprise subscription)
  • PHP 5.6, 7.0, 7.1 or 7.2 required
  • Hypervisors: Hyper-V, VMware ESX, Xen or KVM
  • Desktop: Windows 7+, Mac OS X 10.7+ (64-bit only), Linux (CentOS 6.5, 7 - 64-bit only), Ubuntu 14.04 LTS, 16.04 LTS, 16.10+, Fedora 21+, openSUSE 13+ and LEAP 41.1+, SLE 11 SP3+ Debian 8+).
  • Mobile apps: iOS 9+ (10+ for Talk), Android 4.x+ (5.0+ for Talk)
  • Web browser: Recent version of IE11+, Microsoft Edge, Firefox, Chrome, Safari or browers based on those. Talk requires Firefox 31+ and Chrome38+

See Installation on Linux for minimum software versions for installing Nextcloud. If you encounter problems, visit the home user forums or enterprise support portal.

Database requirements for MySQL / MariaDB

The following is currently required if you’re running Nextcloud together with a MySQL / MariaDB database:

Emoji (UTF8 4-byte) support with MySQL / MariaDB

If you want to use UTF8 4-byte characters such as Emojis on your server, the database needs to be created with character set utf8mb4 and collate utf8mb4_general_ci, e.g.:

CREATE DATABASE nextcloud CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

Additionally the following InnoDB settings need to be set:


See Enabling MySQL 4-byte support for more information.

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