Linux Installer - System Requirements
Supported Operating Systems
The following operating systems are supported. These versions or greater.
- SUSE Linux Enterprise Server 15 SP5
- OpenSUSE Leap 15.5
- Red Hat Linux 9
- Rocky Linux 9
- Oracle Linux 9
- AlmaLinux 9
Minimum CPU and memory requirements
The following minimum resources are required for each node. These requirements assume that no other production software is installed on the node. If additional software will be run on the node, more resources need to be added to accommodate the other software accordingly.
- 8 CPU Cores
- 16 GB RAM - with swap space disabled
- 100 GB disk space (SSD) with 80 GB delegated to
/var/optand 20 GB for/opt
Fast storage
To ensure optimal performance and reliability, the use of a solid-state drive (SSD) or other fast storage solutions is required. Not using SSD based storage may lead to inconsistent behaviors and errors.
Disable swapping
For optimal performance and reliability, swap must be turned off on every node. Please refer to the specific documentation of your Linux distribution for guidelines on how to accomplish this.
Fixed IP address
A fixed, non-changing IP address is required for each node. DHCP (Dynamic Host Configuration Protocol) is supported but the IP must be reserved and cannot change.
Network ports
The following ports must be exposed and available between all nodes:
| Port | Purpose |
|---|---|
| 6443 | Kubernetes API Server |
| 8472 | Virtual LAN |
| 10250 | Kubernetes metrics |
| 2379-2380 | etcd |
The following ports must be exposed for outside access(Product specific):
| Port | Purpose |
|---|---|
| 443 | Product access |
| 3000 | Security Proxy Server * |
| 8001 | AJP ** |
* The Security Proxy port use is optional.
** The AJP port is used when optionally integrated with Microsoft's IIS web server.
Additional firewall rules
The following source IP ranges must be added to the trusted zones list:
| Source IP Range | Purpose |
|---|---|
| 10.42.0.0/16 | Pod communication |
| 10.43.0.0/16 | Service communication |
Required Third Party Packages
Several packages are installed automatically during product installation. Certain platforms require platform-specific repositories. Ensure the following repositories are configured on these platforms:
-
For Red Hat, the
epel-release(Extra Packages for Enterprise Linux) repository is required. -
For OpenSUSE, the SUSE Linux Enterprise (sle) repository is required.
The following packages are automatically installed or updated as needed. Some of these packages are platform-specific and are installed only on the applicable platform: bash, curl, grep, gawk, wget, jq, haveged, zip, bind-utils, sysstat, strongswan, apparmor-parser, util-linux, iscsi-initiator-utils or open-iscsi, nfs-utils or nfs-common, supportutils or sos.
Supported web browsers
The following web browsers are supported:
- Google Chrome (recommended)
- Mozilla Firefox (recommended)
- Microsoft Edge