Fedora 37环境下Kubelet启动失败(status=1/FAILURE)导致K8s集群无法访问的求助

云原生阿岚

2026-4-22

我在Fedora 37系统上通过kubeadm init部署Kubernetes集群，部署过程中镜像拉取等步骤看起来都正常，但当我执行kubectl cluster-info时，却遇到了连接拒绝的错误，具体输出如下：

0406 11:58:52.440579 704658 memcache.go:265] couldn't get current server API group list: Get "https://192.168.1.48:6443/api?timeout=32s": dial tcp 192.168.1.48:6443: connect: connection refused
E0406 11:58:52.441106 704658 memcache.go:265] couldn't get current server API group list: Get "https://192.168.1.48:6443/api?timeout=32s": dial tcp 192.168.1.48:6443: connect: connection refused
E0406 11:58:52.442602 704658 memcache.go:265] couldn't get current server API group list: Get "https://192.168.1.48:6443/api?timeout=32s": dial tcp 192.168.1.48:6443: connect: connection refused
E0406 11:58:52.444035 704658 memcache.go:265] couldn't get current server API group list: Get "https://192.168.1.48:6443/api?timeout=32s": dial tcp 192.168.1.48:6443: connect: connection refused
E0406 11:58:52.445543 704658 memcache.go:265] couldn't get current server API group list: Get "https://192.168.1.48:6443/api?timeout=32s": dial tcp 192.168.1.48:6443: connect: connection refused

To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.

经过排查，我发现kubelet服务没有正常运行，查看服务状态时得到如下输出：

Process: 662008 ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS
$KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
(code=exited, status=1/FAILURE) Main PID: 662008 (code=exited,
status=1/FAILURE)

于是我执行sudo journalctl -xeu kubelet查看kubelet的日志，发现了和swap相关的错误提示，关键内容如下：

Apr 06 11:46:05 puppetmaster29 kubelet[604092]: E0406 11:46:05.973293 604092 run.go:74] "command failed" err="failed to run Kubelet: running with swap on is not supported, please disable swap!>
Apr 06 11:46:05 puppetmaster29 systemd[1]: kubelet.service: Main process exited, code=exited, status=1/FAILURE

我已经尝试过以下操作：

多次执行sudo swappoff -a临时关闭swap

在/etc/fstab中注释掉了swap的挂载条目，修改后的内容如下：

/dev/mapper/fedora-root /                       xfs     defaults        0 0
UUID=50a98c60-a467-4c60-9fcb-e394c74043a7 /boot                   ext4    defaults        1 2
# /dev/mapper/fedora-swap swap                    swap    defaults        0 0

但kubelet仍然无法正常启动，集群也还是无法访问，想请教大家有没有解决办法，谢谢！

备注：内容来源于stack exchange，提问作者eliassal