首先在IAM里找到角色，創建角色，選擇EC2

然后在被監控的機器上安裝cloudwatch-agent

官方鏈接在本地服務器上安裝 CloudWatch 代理 - Amazon CloudWatch

• wget https://s3.amazonaws.com/amazoncloudwatch-agent/redhat/amd64/latest/amazon-cloudwatch-agent.rpm
• sudo rpm -U ./amazon-cloudwatch-agent.rpm

啟動agent

# 啟動代理程序
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a start
# 查看代理客戶端程序狀態
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a status
# 關閉代理
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a stop
# 查看代理詳情狀態
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a fetch-config
選擇啟動代理程序的命令即可