10 sudo yum update 11 sudo yum install epel-release yum-utils 12 sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm 13 sudo yum-config-manager --enable remi 14 sudo yum install redis 15 sudo systemctl enable redis 16 ps -ef|grep redis 17 sudo yum install redis 18 sudo amazon-linux-extras install redis4.0 19 sudo systemctl enable redis 20 sudo systemctl start redis