如何将SSL证书从证书颁发机构复制到EC2？及编写正确scp命令

Hey there! Let's break down your questions clearly—since you already have experience using SCP for your keystore, this should feel straightforward.

1. Copying server.key and server.cert to EC2 Instance #

Your existing keystore SCP command is the perfect template for transferring these files. You can send them one at a time, or both in a single command to save a step:

Single file transfers #

• For server.key:

  scp -i ec2-private-key server.key ec2-user@dns-address-of-ec2-instance:~/server.key
  

• For server.cert:

  scp -i ec2-private-key server.cert ec2-user@dns-address-of-ec2-instance:~/server.cert
  

Transfer both files at once #

If you want to skip running two separate commands, list both local files in the same line:

scp -i ec2-private-key server.key server.cert ec2-user@dns-address-of-ec2-instance:~/

The ~/ at the end drops the files into the ec2-user home directory on your EC2 instance. Feel free to replace that with a specific path (like /etc/ssl/certs/) if you need them stored in a system directory instead.

2. Copying SSL Certificates from a Certificate Authority (CA) to EC2 #

The process is identical to transferring your keystore or server files. Let's say your CA-provided certificate file is named ca-root-cert.pem (a common format for CA certificates):

scp -i ec2-private-key ca-root-cert.pem ec2-user@dns-address-of-ec2-instance:~/ca-root-cert.pem

Quick Tips to Avoid Headaches #

• Make sure your terminal is in the same folder as the local files you're transferring, or use the full file path (e.g., /home/your-local-user/certs/server.key) instead of just the filename.
• Double-check that your EC2 instance's security group allows inbound SSH (port 22) from your local IP address—this is mandatory for SCP to connect.
• If your EC2 instance uses a different default user (e.g., ubuntu for Ubuntu instances, centos for CentOS), swap out ec2-user for the correct username.

内容的提问来源于stack exchange，提问作者MikiBelavista