Arash Sami rshsmi

## Delete_Data_From_ElasticSearch
curl -XDELETE 'localhost:9200/logstash-YYYY.MM.DD?pretty'

## gist:2b6c5470feb7a9639c694418a4023197
    fdisk -l
    fdisk /dev/sdb
       n
       p
       enter default
       enter deafult
       enter default
       t
       8e
       w

## gist:f3df10132d4ab0e5293f28b06baa4734
to be added to /etc/sysconfig/docker
--exec-opt native.cgroupdriver=cgroupfs

reproduce using :
(set -e ; while true; do ID=$(docker run -d ibuildthecloud/helloworld:latest); docker rm -fv $ID;done)

## gist:f3024bbf3c4c22baa49abac5a6263a98
unset DOCKER_TLS_VERIFY
unset DOCKER_CERT_PATH

docker -H 10.64.77.86:2375 ps
docker-compose -H 10.64.77.86:2375  -f docker-compose.yml up -d

## gist:8ff34d5e91c97e2832044818dc53a67e
yum install -y epel-release
yum install -y python-pip
pip install --upgrade pip
pip install docker-compose
pip install backports.ssl_match_hostname --upgrade

# You might need to run:
pip install six  --upgrade

## gist:083836d49893b971ec28d4901b2fba0a
curl -L https://github.com/docker/compose/releases/download/1.6.2/run.sh > /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

## gist:9b965d76dd37c28dc0d14704c029a6b5
$ cat Dockerfile
FROM centos:7
RUN mkdir /work
RUN echo <<< EOL\
 line 1, \
 line 2, \
 line 3, \
 line 4 \
 line ... \
 EOL >> /etc/myconfig.conf;

## ssh-ipa
vi /etc/pam.d/sshd

## add multiple line to a file - Dockerfile
cat <<< 'Line1
Line2
Line3
line4' > ./multipleline.txt

## Rancher
docker run -d --restart=always -p 8080:8080 rancher/server
	fdisk -l
	fdisk /dev/sdb
	n
	p
	enter default
	enter deafult
	enter default
	t
	8e
	w
	to be added to /etc/sysconfig/docker
	--exec-opt native.cgroupdriver=cgroupfs

	reproduce using :
	(set -e ; while true; do ID=$(docker run -d ibuildthecloud/helloworld:latest); docker rm -fv $ID;done)
	unset DOCKER_TLS_VERIFY
	unset DOCKER_CERT_PATH

	docker -H 10.64.77.86:2375 ps
	docker-compose -H 10.64.77.86:2375 -f docker-compose.yml up -d
	yum install -y epel-release
	yum install -y python-pip
	pip install --upgrade pip
	pip install docker-compose
	pip install backports.ssl_match_hostname --upgrade

	# You might need to run:
	pip install six --upgrade
	curl -L https://github.com/docker/compose/releases/download/1.6.2/run.sh > /usr/local/bin/docker-compose
	chmod +x /usr/local/bin/docker-compose
	$ cat Dockerfile
	FROM centos:7
	RUN mkdir /work
	RUN echo <<< EOL\
	line 1, \
	line 2, \
	line 3, \
	line 4 \
	line ... \
	EOL >> /etc/myconfig.conf;