oleurud

# pull the official mongo docker container
docker pull mongo

# create network
docker network create my-mongo-cluster

# create mongos
docker run -d --net my-mongo-cluster -p 27017:27017 --name mongo1 mongo mongod --replSet my-mongo-set --port 27017
docker run -d --net my-mongo-cluster -p 27018:27018 --name mongo2 mongo mongod --replSet my-mongo-set --port 27018
docker run -d --net my-mongo-cluster -p 27019:27019 --name mongo3 mongo mongod --replSet my-mongo-set --port 27019

odan

REST, RESTful API Quick Reference

The url has changed: https://odan.github.io/2017/04/17/rest-restful-api-quick-reference.html

mbrannigan

############################################
# Instance info
############################################
INSTANCE_ID=$(/usr/bin/curl -s http://169.254.169.254/latest/meta-data/instance-id)
EC2_AVAIL_ZONE=`/usr/bin/curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone`
REGION="`echo \"$EC2_AVAIL_ZONE\" | /bin/sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
ENI_ID="${ENI_ID}"                                   # have terraform or whatever you're using provide this
ENI_IP=$(/usr/bin/aws ec2 describe-network-interfaces --region=${REGION} | \
    /usr/bin/jq -cr --arg i "${ENI_ID}" '.NetworkInterfaces[]|select(.NetworkInterfaceId==$i).PrivateIpAddress')
NETCIDR="${ENI_IP%.*}.0/24"                          # yeah, it's defaults for my network, put in whatever it is for you

pedroamador

# Clear yum packages
yum clean all
 
# Zero out the free space to save space in the final image:
dd if=/dev/zero of=/EMPTY bs=1M
rm -f /EMPTY
 
# Removing leftover leases and persistent rules
echo "cleaning up dhcp leases"
rm -f /var/lib/dhclient/*

pedroamador

apt-get -y autoremove
apt-get clean

# Zero out the free space to save space in the final image:
dd if=/dev/zero of=/EMPTY bs=1M
rm -f /EMPTY

# Removing leftover leases and persistent rules
echo "cleaning up dhcp leases"
rm /var/lib/dhcp/*