Drunk on technology https://wiki.nerdydrunk.com/ 2026-04-23T18:09:27+00:00 https://wiki.nerdydrunk.com/ https://wiki.nerdydrunk.com/_media/wiki:favicon.ico text/html 2024-08-19T18:33:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.nerdydrunk.com/aws:lambda:letsencrypt_wildcard?rev=1724092391&do=diff Let's Encrypt Wildcard Generator Lambda Function This Lambda function will check if a Let's Encrypt certificate is older than 60 days. If it is older than 60 days, then an EC2 instance will be launched that will update the certificate and then terminate itself. text/html 2022-07-21T10:41:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.nerdydrunk.com/aws:lambda:python?rev=1658400099&do=diff AWS Lambda Python General General tips that don't really fit anywhere else. aws lambda linux python Custom Environment Create virtual environment. python3 -m venv ENVIRONMENTNAME Enter and activate virtual environment. cd ENVIRONMENTNAME/lib/python3/site-packages source ../../../bin/activate text/html 2022-07-21T10:41:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.nerdydrunk.com/aws:lambda:route53_dynamic_dns?rev=1658400099&do=diff Route 53 Dynamic DNS Lambda Function This Lambda function will get the public IP of an EC2 instance and update a corresponding DNS record in Route 53. It can be used for systems that need to be publicly available but might not always need to be running such as a bastion host.