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Key Requirements

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

  • Suse Linux 15.5

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

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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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Before installation please use the following command to see if product requirements are met, using (synergy|focus|dspm|enterprise|ultimate) for PRODUCT_NAME.

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code
 Info
When running k3s.sh script you need to provide product name in a form of PRODUCT_NAME argument.
Allowed product names are: synergy focus dspm enterprise ultimate
If you want to ensure the environment meets all the prerequisites, you can use ONLY_PRECHECK=true argument, so your for checking against enterprise requirements will look like:
 Code Block
languagebash
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | 
 |
\
INSTALL_K3S_VERSION="v1.26.10+k3s1" K3S_KUBECONFIG_MODE="644" PRODUCT_NAME=enterprise ONLY_PRECHECK=true
 bash -
Run k3s installer using the following command as root user:
 sh -s - server --node-name=local-01
 Note
You need to be logged as a root user to perform installation.
 Tip
Here is the syntax for the k3s.sh installer to perform full prerequisites check and start the installation of ultimate product:
 Code Block
languagebash
curl -sfL https://assets.master.k3s.getvisibility.com/k3s/k3s.sh | \
INSTALL_K3S_VERSION="v1.26.10+k3s1" K3S_KUBECONFIG_MODE="644" PRODUCT_NAME=ultimate sh -s - server --node-name=local-01
 Info
Few more arguments that can be used to customize the execution of the k3s script:We provide a number of optional switches to use with k3s.sh installer, check below what functionality they offer.
Argument
Description
SKIP_PRECHECK=true
to skip 
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all built in checks
SKIP_SYSTEM_CHECKS=true
to skip 
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 hardware 
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checks
SKIP_NETWORK_CHECKS=true
to skip 
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connectivity checks
ONLY_PRECHECK=true
will run precheck only and stop after that
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Run the kubectl registration command:
 Note
The command below is just an example, it will not work during deployment. For direct customers, Customer Support Team will provide the registration command, otherwise you should have been provided registration command in the Welcome Email.
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 Code Block
https://assets.master.k3s.getvisibility.com (Custom K3s installation files)
https://images.master.k3s.getvisibility.com (Private Docker registry)
https://charts.master.k3s.getvisibility.com (Private Helm registry)
https://prod-eu-west-1-starport-layer-bucket.s3.eu-west-1.amazonawsapi.master.k3s.getvisibility.com (Docker registry AWS CDN)Priva
https://apirancher.master.k3s.getvisibility.com (PrivateRancher APImanagement server)

https://rpm.rancher.iorancher.$RESELLER_NAME.k3s.getvisibility.com (Rancher RPMmanagement reposerver, forwhere configuring$RESELLER_NAME SELinuxis packagesGetvisibility onfor RHELdirect orcustomers)
CentOS)
https://rancher.master.k3s.getvisibilityprod-eu-west-1-starport-layer-bucket.s3.eu-west-1.amazonaws.com (RancherDocker registry managementAWS serverCDN)
https://rpm.rancher.$RESELLER_NAME.k3s.getvisibility.comio (Rancher management server, where $RESELLER_NAME is Getvisibility for direct customersRPM repo for configuring SELinux packages on RHEL or CentOS)
 Info
For Helm-based installation you only need the first five from the above list.
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