# SSM get-parameter Reference: https://medium.com/@haha1811/aws-%E6%9C%AC%E5%9C%B0%E7%AB%AF-pem-key-%E6%89%BE%E4%B8%8D%E5%88%B0-%E8%A9%B2%E6%80%8E%E9%BA%BC%E8%BE%A6-c59f4ebd085e 此方法僅適用於Cloudformation建立的Key 存放於System Manager的Parameter Store 開啟Cloud Shell輸入此指令: ``` aws ssm get-parameter --name /ec2/keypair/<key-ID> --with-decryption --query Parameter.Value --output text > fiona-test-key.pem ``` 即可Redownload EC2 Key Pair # AWSSupport-ResetAccess SSM Automation執行ResetAccess Runbook Create new key到Parameter Store中 Reference: https://docs.aws.amazon.com/zh_tw/systems-manager-automation-runbooks/latest/userguide/automation-awssupport-resetaccess.html 運行此自動化  成功建立new key(openssh) 存放於SSM Parameter Store  內容:  Cost: https://aws.amazon.com/tw/systems-manager/pricing/   # Backup EC2 Key Pair to Parameter Store 可將Key上傳至SSM Parameter Store中做備份避免Key遺失的情況無法挽救 ### Upload 進入Systems Manager>Parameter Store  Create Parameter 輸入名稱並將Private Key內容填入Value  ### Download 進入Parameter Store後可以直接點選備份好的Parameter查看內容 並可直接將Private Key Value複製下來存成.pem  或是開啟Cloud Shell使用指令查看Parameter Value並輸出檔案 ``` #查看Parameter Detail aws ssm get-parameter --name fiona-key-backup --with-decryption #Query Paramter Value aws ssm get-parameter --name fiona-key-backup --with-decryption --query "Parameter.Value" #Output Parameter Value aws ssm get-parameter --name fiona-key-backup --with-decryption --query "Parameter.Value" --output text > fiona-test.pem ``` 查看Parameter Detail  Query Paramter Value  Output Parameter Value  點選Download file並輸入檔名即可下載輸出的.pem  
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