首先在IAM里找到角色，创建角色，选择EC2

然后在被监控的机器上安装cloudwatch-agent

官方链接在本地服务器上安装 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

启动agent

# 启动代理程序
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a start
# 查看代理客户端程序状态
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a status
# 关闭代理
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a stop
# 查看代理详情状态
sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl -m ec2 -a fetch-config
选择启动代理程序的命令即可