低版本crictl 没有删除无效镜像命令,需要升级版本
wget https://github.com/kubernetes-sigs/cri-tools/releases/download/v1.25.0/crictl-v1.25.0-linux-amd64.tar.gz
tar -zxf crictl-v1.25.0-linux-amd64.tar.gz
mv crictl /bin/crictl
crictl rmi --prune #删除无效镜像,释放节点磁盘空间
标签:amd64,tar,升级,crictl,linux,镜像,v1.25 From: https://blog.51cto.com/lookingdream/8489481