create bucket

aws s3 mb s3://johntest123/

rsync all files from a given folder to S3 bucket:

aws s3 sync /home/ec2-user/ s3://johntest123/

Remove bucket

aws s3 rb --force s3://johntest123/

If pip is not installed, then the following command will not work

pip install awscli

We need to install pip from EPEL like this..

yum install epel-release
yum install python-pip

remove quotes from mysql dump file
cat merged.txt | tr -d \'\" > mergedx.txt

Here are some of the important Amazon products to use.

cloudTrail + cloudWatch + ES
cloudformation
DMS
SageMaker
Route53
EC2 + spot
Redshift + ElasticCache + Spectrum
S3 + Glacier / Athena
Lambda + API Gateway + dynamoDB + SMS gateway
documentDB

Before starting docker daemon, add the aws credentials.

vi /etc/init/docker.override

env AWS_ACCESS_KEY_ID=
env AWS_SECRET_ACCESS_KEY=

The cost of Aurora hosting per hour.

db.r3.large $0.290 (0.24 mysql)
db.r3.xlarge $0.580 (0.475 mysql)
db.r3.2xlarge $1.160 (0.945 mysql)
db.r3.4xlarge $2.320 (1.89 mysql)
db.r3.8xlarge $4.640 (3.78 mysql)

Mysql hosting starts with db.t2.micro at only $0.017 per hour.

It is possible to use password to connect to AWS

1) change config file
sudo vi /etc/ssh/sshd_config

PermitRootLogin yes
PasswordAuthentication yes

2) restart
sudo service ssh restart

3) add a password
sudo passwd root

4) ssh without key
ssh root@xxx.com