Kubernetes Cluster auf auf Ubuntu 24.04

Question

Wenn ich den Befehl zum einrichten des Kubernetes Cluster eingebe kommen nur Fehler. Wieso?

root@vtsv-ubuntu:~# sudo kubeadm init --pod-network-cidr=10.244.0.0/16
[init] Using Kubernetes version: v1.34.1
[preflight] Running pre-flight checks
        [WARNING Swap]: swap is supported for cgroup v2 only. The kubelet must be properly configured to use swap. Please refer to https://kubernetes.io/docs/concepts/architecture/nodes/#swap-memory, or disable swap on the node
[preflight] Some fatal errors occurred:
        [ERROR NumCPU]: the number of available CPUs 1 is less than the required 2
        [ERROR Mem]: the system RAM (961 MB) is less than the minimum 1700 MB
        [ERROR FileContent--proc-sys-net-ipv4-ip_forward]: /proc/sys/net/ipv4/ip_forward contents are not set to 1
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
error: error execution phase preflight: preflight checks failed
To see the stack trace of this error execute with --v=5 or higher
root@vtsv-ubuntu:~#

Answer 1

Die Fehlermeldung besagt dass du noch Vorbereitungen treffen musst. Erhöhe auf mindestens 2 CPUs und 2 GB Arbeitsspeicher. Außerdem aktiviere das IP Forwarding.

echo 1 > /proc/sys/net/ipv4/ip_forward