jim-minter / pingpong

Let's play pingpong!

Create cluster

NAME=jimminter
LOCATION=eastus

az group create -g $NAME -l $LOCATION
az aks create -g $NAME -n $NAME --network-plugin azure
az aks get-credentials -g $NAME -n $NAME

kubectl apply -f pingpong.yaml

Some tools to investigate

1. kubectl get node,pod,svc -A -o wide to show nodes/pods/services and IPs

2. ssh-k8s to connect to a node

3. apt install net-tools to install net-tools

4. ifconfig (ip a show) to show interfaces

5. route (ip route show) to show route table

6. arp (cat /proc/net/arp) to show arp table

7. iptables -t nat -nvL to show iptables NAT rules

8. netstat -lnp to list processes listening on sockets

9. tcpdump -n -p -i $IF -s0 -X to dump network trafic on an interface

10. nsenter -n -t $PID bash to enter the network namespace of a PID