- Apachelocal files gotcha, self-signed SSL, HTTPS vhost, .htaccess and mod_rewrite tricks
- AWSEC2 connection checklist, Elastic Beanstalk auth header, Lambda, boto3, Chalice, Python layers
- Bashfile name parts, file test operators, one-liners and shortcuts, lsof, cURL
- Dockerinstall, an nginx + php-fpm + MySQL stack with docker-compose, data volumes, non-root use
- Linuxsendmail, bad blocks, TLP, Ubuntu/GNOME bits, newer Python and node.js on Ubuntu
- macOSasync execution in Objective-C, updating and cleaning up MacPorts
- securitypassword generators, SSH login with public keys, rsync over SSH
- Vimdelete lines by pattern, typing HTML entities, reformatting paragraphs, encryption