pipeline {
agent {label 'master'}
stages{
stage('one'){
steps{
sh "echo abc > abc.txt"
stash includes: 'abc.txt', name: 'abc'
sh "rm -rf abc.txt"
}
}
stage('two'){
steps{
unstash 'abc'
sh "cat abc.txt"
}
}
}
}Open port using NC command in linux
Open port using NC:
nc 8888Listen port:
nc localhost 8888
Send packet using bash:
echo -n "hello" >/dev/tcp/localhost/8888Mount cifs/samba share inside container
#Dockerfile
FROM ubuntu
RUN apt update -y
RUN apt install cifs-utils -y
docker build -t cifs .docker run -it --cap-add SYS_ADMIN --cap-add DAC_READ_SEARCH -cap-add NET_BIND_SERVICE cifs bash#centos with privileged (working)
docker run --privileged -it --cap-add SYS_ADMIN --cap-add DAC_READ_SEARCH --cap-add NET_BIND_SERVICE centos bashmount -t cifs -o username=a,password=a //192.168.0.228/public /mntmount -t cifs -o username=a,password=a //192.168.0.228/public /mntmount -t cifs -o username=a,password=a,ro,domain=WORKGROUP //192.168.0.228/public /a -vGrafana docker compose
version: '3'
services:
grafana:
image: grafana/grafana
container_name: grafana
restart: unless-stopped
environment:
TZ: "Asia/Kolkata"
GF_INSTALL_PLUGINS: "grafana-clock-panel,grafana-simple-json-datasource,simpod-json-datasource,marcusolsson-json-datasource"
volumes:
- /root/grafana/data:/var/lib/grafana
ports:
- 3000:3000
ELK on docker-compose
version: '2.2'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:7.12.0
container_name: elasticsearch
environment:
discovery.type: "single-node"
volumes:
- /root/elasticsearch:/usr/share/elasticsearch/data
ports:
- 9200:9200
kibana:
image: docker.elastic.co/kibana/kibana:7.12.0
container_name: kibana
environment:
elasticsearch.hosts: "elasticsearch:9200"
ports:
- 5601:5601
docker ARG and ENV
- ARG is only available during build
- ENV is available can be available during build as well as after the build
FROM httpd
ARG arg1
ENV env1=evalue1
ENV env2=${arg1}
ENV env3=evalue3
docker build --build-arg arg1=atest -t httpd-test .docker run -d --env-file=env_file httpd-testGet aws ec2 instance id from shell/bash
cat /sys/devices/virtual/dmi/id/board_asset_tag
#short hostname
hname=$(cat /sys/devices/virtual/dmi/id/board_asset_tag | awk '{print substr($0,5,15)}')
hostnamectl set-hostname $hname
Rabbitmq docker-compose
version: '3'
services:
rabbitmq:
image: rabbitmq:3-management
restart: always
container_name: rabbitmq
environment:
TZ: "Asia/Kolkata"
RABBITMQ_DEFAULT_USER: username
RABBITMQ_DEFAULT_PASS: password
volumes:
- /opt/rabbitmq/data:/var/lib/rabbitmq
ports:
- 5671:5671
- 5672:5672
- 15672:15672Docker command :
dodocker run -d -p 5671:5671 -p 5672:5672 -p 15672:15672 -v /opt/rabbitmq/data:/var/lib/rabbitmq -e RABBITMQ_DEFAULT_USER=user -e RABBITMQ_DEFAULT_PASS=password -e TZ="Asia/Kolkata" --restart unless-stopped rabbitmq:3-managementcloudcustodian ec2 start/stop rule
start-policy.yml
policies:
- name: start-policy
resource: aws.ec2
query:
- instance-state-name: stopped
filters:
- "tag:owner": present
actions:
- start
stop-policy.yml
policies:
- name: stop-policy
resource: aws.ec2
filters:
- "tag:owner": present
actions:
- stop
custodian run --cache-period 0 start-policy.yml -s output
custodian run --cache-period 0 stop-policy.yml -s output
https://cloudcustodian.io/docs/aws/gettingstarted.html
Deregister aws ami older than 30 days:
policies:
- name: ebs-delete-old-ebs-snapshots
resource: ami
filters:
- type: image-age
days: 30
op: ge
actions:
- deregisterDelete aws snapshot older than 30 days:
policies:
- name: ebs-delete-old-ebs-snapshots
resource: ebs-snapshot
filters:
- type: age
days: 30
op: ge
actions:
- deleteDocker CloudCustodian
docker run -it -v $(pwd)/output:/opt/custodian/output -v $(pwd):/opt/custodian/ --env-file <(env | grep "^AWS\|^AZURE\|^GOOGLE|^kubeconfig") cloudcustodian/c7n run -v -s /opt/custodian/output /opt/custodian/policy.yml
docker run -it --entrypoint=/bin/bash -v $(pwd)/output:/opt/custodian/output -v $(pwd):/opt/custodian/ --env-file <(env | grep "^AWS\|^AZURE\|^GOOGLE|^kubeconfig") cloudcustodian/c7nMysql allow from all – Test
CREATE USER 'root'@'%' IDENTIFIED BY 'Test#123';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;