依然是老规矩，省流版 看红字，详细版，慢慢看

使用官方脚本安装

$ curl -fsSL https://get.docker.com -o install-docker.sh
$ sudo sh install-docker.sh

docker ps

docker start 命令用于启动一个或多个已经创建的容器。

docker stop 命令用于停止一个运行中的容器。

docker restart 命令用于重启容器。

修改系统时间

date -s "20230919 00:00:00"  (根据当前实际时间修改)

hwclock -w

上传文件失败的原因是几台服务器之间要做下时间同步，几台服务器时间都不一样，上传就会失败

kubectl get pod| grep -v Runn

 kubectl get pods|grep post
    kubectl get pods

    kubectl get pods|grep pede
    kubectl get pods|grep redis
    kubectl get all|grep post
    kubectl get deploy
    kubectl get all|grep pg
 

  kubectl get pods | grep dol

 kubectl get pods|grep post

   kubectl get pods|grep pg
  208  kubectl get pods|grep post
  kubectl get all|grep pg

  214  kubectl get pods
  215  kubectl get pods|grep pg
  216  kubectl get pods|grep post
  218  kubectl get deploy|grep post
 
  220  kubectl get all|grep pg
  221  kubectl get all|grep post
  222  kubectl rollout restart statefulset.apps/operator-postgresql
  223  kubectl get pods
  224  kubectl get pods|grep pg
  225  kubectl get pods|grep post

  kubectl get pod -A
    kubectl get pod | grep -v -i runn

查看日志
  kubectl logs -f pedestal-59cff549d6-9t4l5

  kubectl logs -f shared-redis-node-0

  kubectl logs -f bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-784dfcd7dd-h2sx7

  kubectl logs -f hadoop-hive-server-0

kubectl logs -f dolphinscheduler-master-0

kubectl logs -f bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-784dfcd7dd-h2sx7

 kubectl logs -f operator-postgresql-0
 

  kubectl rollout restart sts shared-redis-node
  kubectl rollout restart deploy pedestal

  kubectl rollout restart deploy/pedestal

  kubectl rollout restart deployment.apps/pedestal-pgbouncer-pgbouncer
   kubectl rollout restart deployment.apps/bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer

  kubectl rollout restart deployment.apps/bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer
  kubectl rollout restart deployment.apps/pedestal-pgbouncer-pgbouncer
kubectl logs -f shared-postgres-alarm-5d44fc9b7b-f7zdv 

 rm -rf /var/lib/rancher/k3s/storage/pvc-*_default_redis-data-shared-redis-node-*/{appendonlydir,*.rdb}
 

 kubectl delete pod dolphinscheduler-alert-67d998b9f5-6hftm dolphinscheduler-master-0 dolphinscheduler-worker-0
   kubectl delete pod dolphinscheduler-api-857f576674-t6ffx
   kubectl delete pod bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-575676d79c-n699h
   kubectl delete pod -f bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-575676d79c-n699h
   kubectl delete pod bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-784dfcd7dd-h2sx7

  236  kubectl logs -f bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-784dfcd7dd-5pnsp
  237  kubectl logs -f bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-77f88b98bc-kblb8
  kubectl delete pod bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-77f88b98bc-kblb8 bigdata-pgbouncer-pgbouncer-bigdata-pgbouncer-784dfcd7dd-5pnsp
 

 

抓ping命令包：tcpdump -i eh1 icmp(ping)
tcpdump icmp -nn