Setup AWS CLI for CentOS 6

setup-awscli-for-centos6.sh

yum update -y nss
yum install -y https://centos6.iuscommunity.org/ius-release.rpm
perl -pi -e "s/enabled\s+=\s+1/enabled = 0/gi" /etc/yum.repos.d/ius.repo
yum install -y --enablerepo=ius  python36u python36u-libs python36u-pip
ln -s /usr/bin/python3.6 /usr/bin/python3
ln -s /usr/bin/pip3.6 /usr/bin/pip3
pip3 install awscli --upgrade --user
echo "# PATH for AWS CLI" >> ~/.bashrc
echo "export PATH=~/.local/bin:$PATH" >> ~/.bashrc
source ~/.bashrc

aws configure
AWS Access Key ID [None]: <ID>
AWS Secret Access Key [None]: <KEY>
Default region name [None]: ap-northeast-1
Default output format [None]: json

Hi, I found this post from reddit. It recommends your gist and solves the problem of yum repo issue in other way.
It worked for me.