Configure Container Linux core dump on the fly

config-coredump.sh

#!/bin/bash
while true; do
  for node in $(kubectl get nodes --no-headers |grep -v master |awk {'print $1'}); do
    echo "=====> Configuring $node"
    ssh -l core -o StrictHostKeyChecking=no -i /root/id_rsa $node "sudo sed -i 's/#ProcessSizeMax.*/ProcessSizeMax=900G/g;s/#ExternalSizeMax.*/ExternalSizeMax=900G/g' /etc/systemd/coredump.conf"
    ssh -l core -o StrictHostKeyChecking=no -i /root/id_rsa $node "sudo systemctl daemon-reload"
  done
  echo "Done! sleeping for 60 minutes ..."
  sleep 3600
done