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keyRequirements

Info

We use Kubernetes, an open-source container orchestration system to manage our applications. At the moment the only Kubernetes distribution supported is K3s (click here for the official documentation) by Suse Linux for both on-premise and cloud deployments.

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EDC

DDC / DSPM

EDC + DDC + DSPM

CPU

8 cores

16 cores

20 cores

⚠️ The CPU must support the instructions SSE4.1, SSE4.2, AVX, AVX2, FMA.

Only x86_64 architecture is supported. Minimum CPU speed is 2.2 GHz

Memory

32GB

64GB

80GB

Storage

500GB

Min available inodes for ext4: 32M

600GB

Min available inodes for ext4: 39M

700GB

Min available inodes for ext4: 45M

Storage and partition details

  • only SSD storage is supported

  • SWAP must be disabled

  • / rootrequires at least 20GB

    /var requires at least 20GB

    /var/lib/rancher requires at least 500GB (in case of EDC, use the correct disk space according to the type of deployment shown above).
    /tmp requires at least 75GB

  1. if neither /var nor /var/lib/rancher /tmp is specifically assigned to a partition you must assign the full 500GB to root

  2. if /var is specifically assign to a partition but /var/lib/rancher is not, then you must assign the 500GB to /var

  3. if /var/lib/rancher is specifically assign to a partition but /var is not, then you must assign the 500GB to /var/lib/rancher

Operating System

Ubuntu 20.04 LTS Server is recommended, other supported operating systems include:

  • Ubuntu 22.04, 24.04

  • RHEL 8.8, 8.10, 9.2 and 9.4

  • CentOS 7.9

  • Suse Linux 15.35

Only Server edition versions are supported. No Desktop Environment installed. No other linux distributions are supported.

Note

Root access to the server is necessary during the deployment process and may also be required for support tickets and troubleshooting. Please ensure that the service user account accessing the server and deploying the K3s installer has sudo privileges to access and run the installer as root.

Firewall

  • Port 443/TCP to be open to allow the clients to access dashboard and API

  • To download application artifacts (Docker images and binaries), updates, and configuration files, the cluster requires a public internet connection with a minimum download speed of 40 Mbps and an upload speed of 8 Mbps. For a faster initial setup, a download speed of 100 Mbps or more is recommended.

K3s version support

1.23, 1.24, 1.26

Other requirements

  • Domain Name Service (DNS) with public name resolution enabled

  • Network Time Protocol (NTP) service configured

  • Internet access to a network-based repository for software update packages

  • Fixed private IPv4 address

  • Unique static hostname

For hardened systems, see: Deploying Product in CIS hardened OS or K3s

When deploying using RHEL / CentOS / Suse:

When deploying using Ubuntu:

  • disable ufw, systemd-resolved, apparmor

  • /var partition should not have noexec flag

Installation

Info

If using proxy, please run this before using curl:

Code Block
export http_proxy="$PROXY_IP"
export https_proxy="$PROXY_IP"

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