日常のまとめ

iotop -oP

cat >/etc/cni/net.d/10-calico.conf <:",
    "log_level": "info",
    "ipam": {
        "type": "calico-ipam"
    },
    "policy": {
        "type": "k8s"
    },
    "kubernetes": {
        "kubeconfig": ""
    }
}
EOF

dd if=/dev/zero of=test bs=1M count=1000

$ pwd

/var/lib/docker/overlay2

$ du -sh * |grep G

729G    41a07bece78bbb208445be8d8798f075313a8499a267a09765efe8c52ff10568

$ docker ps |grep -v pause|awk '{print $1}'|xargs docker inspect --format='{{json .GraphDriver.Data.MergedDir}} {{.Config.Hostname}}' |grep 41a07bece78bbb208445be8d8798f075313a8499a267a09765efe8c52ff10568

"/var/lib/docker/overlay2/41a07bece78bbb208445be8d8798f075313a8499a267a09765efe8c52ff10568/merged" ********-8678f96449-qjn9r

java -jar jenkins-cli.jar -s http://admin:****@jenkins.***.cn/ delete-job NAME

https://opsx.alibaba.com/mirror

07 20 * * * /opt/kube/bin/kubectl scale -n prod deployment/ai-airflow-schedule-master --replicas=0 && sleep 1 && /opt/kube/bin/kubectl scale -n prod deployment/ai-airflow-schedule-master --replicas=1

nslookup -q=A xxx.com  1.1.1.1
dig xxx.com
ping xxx.com

kubectl describe pv |grep /kubernetes-dynamic-pvc-913bdde6-65b0-11e9-9301-8665fb02ae94 -C 10|grep Claim

  
    
      alimaven
      aliyun maven
      http://maven.aliyun.com/nexus/content/groups/public/
      central        
    
  

sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

wget https://dl.k8s.io/v1.12.10/kubernetes-server-linux-amd64.tar.gz

$ EXCLAIM=cowabunga
$ echo ${EXCLAIM:0:3}

ps -A -o stat,ppid,pid,cmd | grep -e '^[Zz]'

find /proc/*/task -maxdepth 0 -type d |wc -l

find /proc/*/task -maxdepth 0 -type d |while read dir; do count=$(ls "$dir" | wc -l); echo "$dir : $count"; done

find /proc/*/fd -maxdepth 1 -type d | while read dir; do count=$(find "$dir" | wc -l); echo "$dir : $count"; done

getfattr -d -m ceph.dir.* .|grep bytes|tr -cd "[0-9]"|awk 'BEGIN{sum=0}{sum+=$1}END{print sum/1024/1024/1024}'

getfattr -d -m ceph.dir.* .|grep rfiles|tr -cd "[0-9]"

kubectl get ingress -n gray  -o=jsonpath='{range .items[*]}{"
"}{.metadata.name}{":\t"}{range .spec.rules[*]}{range  .http.paths[*]}{.backend.servicePort}{end}{end}{end}'

ctrl + j

#  region
aws configure
#  docker ECR
aws ecr get-login
#     【-e node  】
docker login -u AWS --password ******  https://******.dkr.ecr.us-west-2.amazonaws.com

openssl x509 -in  ***.crt -noout -dates

| python -m json.tool
| jq

command: ["sleep","infinity"] 【 sleep 】
command: ["cat","/dev/random"]

#  
echo "******" |base64 -d
#  
echo "******" |base64 

apk add --no-cache busybox-extras

find ./ -maxdepth 1 -type d | while read dir; do count=$(find "$dir" -type f | wc -l); echo "$dir : $count"; done

#  :
ca.pem   【 】
admin.pem  【admin  】
admin-key.pem  【admin  】

#  registry 
reg ls -k --auth-url harbor.test.com -u admin -p **** harbor.test.com
#  【 MB】
reg manifest -k --auth-url harbor.test.com -u admin -p **** harbor.test.com/helper/test:latest  |grep size|awk '{print $2}'|sed 's/.$//'|awk 'BEGIN{sum=0}{sum+=$1}END{print sum/1024/1024}'

#  
apps=`/usr/local/bin/reg ls -k --auth-url harbor.test.com -u admin -p **** harbor.paas.shein.io|grep -v TAGS|grep -v Repositories|awk '{print $1":"$2}'|tr -d ","`
arr=(${apps// / })  
for app in ${arr[@]}  ; do /usr/local/bin/reg manifest -k --auth-url harbor.test.com -u admin -p **** harbor.test.com/${app}  |grep size|awk '{print $2}'|sed 's/.$//'|awk 'BEGIN{sum=0}{sum+=$1}END{printf sum/1024/1024 }' && echo "    "$app; done

pkill -SIGHUP dockerd

nslookup www.baidu.com |grep Name: -A 2|grep Address:| awk '{print $2}'

find /etc/kubernetes/ssl/ -type f -name "*.pem" | xargs  grep -Hn --color=auto "Y0Q=="

for (( i=0; i < max; i++ )); do echo "output: $i"; done

#  docs.docker.com    Docker， Docker，  nvidia-docker 

# https://jaywcjlove.gitee.io/linux-command