couldn't get current server API group list AND TLS

[gpahlevanzadeh]

I have debian and installed according to doc such as: curl -sfL https://get.k3s.io | K3S_TOKEN=mohsentoken sh -s - server --cluster-init Then I get the following messages:

[INFO]  Finding release for channel stable
[INFO]  Using v1.31.4+k3s1 as release
[INFO]  Downloading hash https://github.com/k3s-io/k3s/releases/download/v1.31.4+k3s1/sha256sum-amd64.txt
[INFO]  Downloading binary https://github.com/k3s-io/k3s/releases/download/v1.31.4+k3s1/k3s
[INFO]  Verifying binary download
[INFO]  Installing k3s to /usr/local/bin/k3s
sh: 597: [: Illegal number: 
[INFO]  Skipping installation of SELinux RPM
[INFO]  Creating /usr/local/bin/kubectl symlink to k3s
[INFO]  Skipping /usr/local/bin/crictl symlink to k3s, command exists in PATH at /usr/bin/crictl
[INFO]  Skipping /usr/local/bin/ctr symlink to k3s, command exists in PATH at /usr/bin/ctr
[INFO]  Creating killall script /usr/local/bin/k3s-killall.sh
[INFO]  Creating uninstall script /usr/local/bin/k3s-uninstall.sh
[INFO]  env: Creating environment file /etc/systemd/system/k3s.service.env
[INFO]  systemd: Creating service file /etc/systemd/system/k3s.service
[INFO]  systemd: Enabling k3s unit
Created symlink '/etc/systemd/system/multi-user.target.wants/k3s.service' → '/etc/systemd/system/k3s.service'.
[INFO]  systemd: Starting k3s

It's assume everything is Okey.

But when I use kubectl get nodes I get the following messages:

E1222 00:00:17.133593    7610 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:17.135103    7610 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:17.136656    7610 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:17.138347    7610 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:17.140788    7610 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
The connection to the server localhost:8080 was refused - did you specify the right host or port?
root@debian:~# kubectl get nodes
E1222 00:00:18.857570    7624 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:18.859106    7624 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:18.860539    7624 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:18.862069    7624 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
E1222 00:00:18.863608    7624 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"http://localhost:8080/api?timeout=32s\": dial tcp 127.0.0.1:8080: connect: connection refused"
The connection to the server localhost:8080 was refused - did you specify the right host or port?

And when I copy /etc/kubernities/admin.conf into ~.kube/config
and restart k3s and run kubectl get nodes I get the following messages:

E1222 00:00:56.586904    7667 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"https://192.168.1.106:6443/api?timeout=32s\": tls: failed to verify certificate: x509: certificate signed by unknown authority"
E1222 00:00:56.590553    7667 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"https://192.168.1.106:6443/api?timeout=32s\": tls: failed to verify certificate: x509: certificate signed by unknown authority"
E1222 00:00:56.594133    7667 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"https://192.168.1.106:6443/api?timeout=32s\": tls: failed to verify certificate: x509: certificate signed by unknown authority"
E1222 00:00:56.597417    7667 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"https://192.168.1.106:6443/api?timeout=32s\": tls: failed to verify certificate: x509: certificate signed by unknown authority"
E1222 00:00:56.601514    7667 memcache.go:265] "Unhandled Error" err="couldn't get current server API group list: Get \"https://192.168.1.106:6443/api?timeout=32s\": tls: failed to verify certificate: x509: certificate signed by unknown authority"
Unable to connect to the server: tls: failed to verify certificate: x509: certificate signed by unknown authority

How can I solve it?

[brandond]

This is covered in the docs:
https://docs.k3s.io/cluster-access

And when I copy /etc/kubernities/admin.conf

This file is not generated by k3s. You have things left over from installing a different Kubernetes distribution.

[gpahlevanzadeh]

Thank you man, you solved my problem.