問題 🔗
Amazon Linux 2 の EC2 インスタンスから curl ができなくなった
$ curl https://ifconfig.me
curl: (60) SSL certificate problem: certificate has expired
More details here: https://curl.haxx.se/docs/sslcerts.html
curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.
解決方法 🔗
CA 証明書を更新してあげたら良い
$ sudo yum update ca-certificates
Before 🔗
$ yum list installed | grep ca-certificates
ca-certificates.noarch 2020.2.41-70.0.amzn2.0.1 @amzn2-core
After 🔗
$ yum list installed | grep ca-certificates
ca-certificates.noarch 2021.2.50-72.amzn2.0.7 @amzn2-core