Johnny Zhang johnny5188

DB

ovs-vsctl list open_vswitch
ovs-vsctl list interface
ovs-vsctl --columns=ofport,name list Interface
ovs-vsctl --columns=ofport,name --format=table list Interface
ovs-vsctl -f csv --no-heading --columns=_uuid list controller
ovs-vsctl --format=table --columns=name,mac_in_use find Interface name=br-dpdk1
ovs-vsctl get interface vhub656c3cb-23 name

The netfilter hooks in the kernel and where they hook in the packet flow

The figure below calls out

The netfilter hooks
The order of table traversal

for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler flanneld; do
	systemctl restart $SERVICES
	systemctl enable $SERVICES
	systemctl status $SERVICES
done

restart kubelet/node services

for SERVICES in kube-proxy kubelet flanneld docker; do

systemctl restart $SERVICES

-#!/bin/sh
-# based on https://gist.github.com/ipedrazas/9c622404fb41f2343a0db85b3821275d
-# delete all evicted pods from all namespaces
-kubectl get pods --all-namespaces | grep Evicted | awk '{print $2 " --namespace=" $1}' | xargs kubectl delete pod
-# delete all containers in ImagePullBackOff state from all namespaces
-kubectl get pods --all-namespaces | grep 'ImagePullBackOff' | awk '{print $2 " --namespace=" $1}' | xargs kubectl delete pod
-# delete all containers in ImagePullBackOff or ErrImagePull or Evicted state from all namespaces