AWS Lightsail: Ubuntu 16: spf, dkim, dmarc

Posted Leave a commentPosted in *nix, AWS, Cloud, security

https://www.linuxbabe.com/mail-server/setting-up-dkim-and-spf DNS Entries hensler.net TXT “v=spf1 ip4:3.225.201.202 ~all” default._domainkey.hensler.net. TXT “v=DKIM1;k=rsa;” “part I” “part II” _dmarc TXT v=DMARC1; p=none; pct=100; rua=mailto:dmarc-reports@hensler.net DNS Type SPF use has been removed in the standards track version of SPF, RFC 7208. Your DNS Type SPF record should be republished as Type TXT instead. dig hensler.net txt http://spf.myisp.ch/ https://www.kitterman.com/spf/validate.html? spf […]

AWS Lightsail: Ubuntu 16: lets encrypt, certbot, cron

Posted 1 CommentPosted in *nix, AWS, Cloud, Wordpress

https://certbot.eff.org/lets-encrypt/ubuntuxenial-nginx request wildcard certificate sudo certbot –server https://acme-v02.api.letsencrypt.org/directory -d *.hensler.net –manual –preferred-challenges dns-01 certonly sudo certbot certonly –manual -d ‘*.hensler.net’ –dry-run sudo certbot certificates Saving debug log to /var/log/letsencrypt/letsencrypt.log – – – – – – – – – – – – – – – – – – – – – – – – – – […]

from monolithic to serverless applications

Posted Leave a commentPosted in AWS, Cloud, dev, eclipse, projects

#1: Migrating a monolithic application (daytrader) on top of a WebSphere Liberty application server form traditional deployment to cloud services using AWS. This involves multiple steps, starting with containerizing the application, converting the database (Derby to Postgres) and finally migrating images into Amazon’s cloud to make use of the Elastic Cloud services (EC*) and High […]