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docker

cleanup

docker container rm $(docker container ls -a -q)
docker network prune
docker volume prune

also clean images

docker image rm $(docker image ls -a -q)

create ipv6 network

sudo tee /etc/docker/daemon.json <<-'EOF' >/dev/null
{
  "ipv6": true,
  "fixed-cidr-v6": "2001:db8::/64"
}

EOF

sudo docker network create --ipv6 --subnet "2001:db8:1::/64" bridge6

list all the images available in a remote repo

skopeo list-tags docker://docker.elastic.co/elasticsearch/elasticsearch

memory

for i in `awk '{print$1}' ps.txt `; do
  grep -m1 $i stats_samples.txt | tr  '\n' '\t' ;  grep $i  ps.txt | awk '{print$NF}' ;
done
docker stats --all --format "table {{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}"