# sealer cluster

Cluster module command line

sealer cert - Update Kubernetes API server's cert
sealer delete - delete an existing cluster
sealer apply - apply a Kubernetes cluster via specified Clusterfile
sealer scale-up - scale-up new master or worker node to specified cluster
sealer run - start to run a cluster from a Sealer Image
sealer rollback - rollback a Kubernetes cluster via specified Clusterfile
sealer upgrade - upgrade the kubernetes version of an existing cluster from a Sealer Image