AWS

  • HSM protects keys in KMI | Key management infrastructure (KMI) often manages security of encryption keys. Hardware security module (HSM) usually protects keys in KMI. HSM is a dedicated device that performs cryptographic operations.
  • Web hosting key components | Load balancing with Elastic Load Balancing (ELB) or Application Load Balancer (ALB) / Edge Security for Amazon CloudFront with AWS WAF (filter malicious traffic including XSS and SQL injection) / DDoS protection with AWS Shield
  • VPC is free / Logical network | Across AZs
  • CloudFront for edge caching | Also works with non-AWS origin server having original files. Delivers dynamic content as well; not just static.
  • Security Group = Inbound n/w firewall for EC2 | Specify valid protocols / ports / source IPs / other security groups (assigned to EC2s) to reach EC2. EC2-1-M-SecurityGroup
  • ELB – Health check too | Predictable entry point using persistent CNAME. Supports sicky sessions.

Health

  1. Invisible sodium in diet| Ready meals, processed meats, cheese, salty snacks, instant noodles, bread, processed cereal, cookies, ketchup, soy sauce, pizza |See
  2. Invisible sodium in Indian diet |Chutney, papad, kadhi (extra salt may be present to offset sourness)
  3. 40 Foods to avoid after 40 | Oh! Why?| Check

Quotes

  • Your living is determined not so much by what life brings to you as by the attitude you bring to life; not so much by what happens to you as by the way your mind looks at what happens. – Khalil Gibran
  • If you always do what you’ve always done, you’ll always get what you’ve always got. – Henry Ford

Templates

  • _list | e.g. See post “Design”
  • _card | e.g. This post
  • _step | Expand / collapse info. e.g. See post “App Philosophy”
  • _grid | Works best as links to internet resources. e.g. See post “Demo: Some Blogs”
  • _show | Slideshow of images from blog post.
  • To apply a template: Edit post -> Edit slug -> Append template name. | Above examples serve as tutorials. Click on top icon to view blog post.

Design

  • Blog Categories appear on home screen.
  • There will be an indication when post count increases for a category.
  • There will be an indication when there is an update to the post read by user.

App Philosophy

  • Compose Apps | Compose apps from blogs and by linking internet resources.
  • Multi Blog | Use categories to group posts. Instead of creating another blog, a new Category can be enough.
  • Transform | Present data from blog by specifying templates. e.g. This screen. Click top icon to see blog post.