k8scat

volume=""
err=$(docker volume rm $volume 2>&1)
echo "err: $err"

container_ids=$(echo $err | awk -F'[' '{print $2}' | awk -F']' '{print $1}')
echo "ids: $ids"

IFS=', '
for container_id in $container_ids; do
	echo "delete container: $container_id"

k8scat

# read in zsh is different from bash
# https://superuser.com/questions/555874/zsh-read-command-fails-within-bash-function-read1-p-no-coprocess
# in bash, read -p "prompt" var
# but in zsh, read "var?prompt"
function port_forwarding_local() {
  echo "port forwarding to remote server"

  read "local_host?local_host (default is empty): "
  read "local_port?local_port: "
  if [[ -z "${local_port}" ]]; then

k8scat

#!/bin/bash
set -e

install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | gpg --dearmor > /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.aliyun.com/docker-ce/linux/ubuntu \
  "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
  tee /etc/apt/sources.list.d/docker.list > /dev/null

k8scat

docker volume create mysql56-data
docker run \
  -e MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD \
  --privileged=true \
  -d --name mysql56 \
  -v mysql56-data:/var/lib/mysql \
  -p 33061:3306 \
  --ulimit nofile=65536:65536 \
  mysql:5.6

k8scat

docker volume create mysql80-data
docker run \
  -e MYSQL_ROOT_PASSWORD=$MYSQL_ROOT_PASSWORD \
  -d --name mysql8 \
  -v mysql8-data:/var/lib/mysql \
  -p 33060:3306 mysql:8.0