Posts

Posts in2025

• Jun 8, 2025
  Reading AWS IAM policies from first principles
• Jun 1, 2025
  Envoy configuration in an enterprise ecosystem
• May 25, 2025
  Slicing and dicing JSON in the terminal with jq
• May 18, 2025
  How overlay filesystems work, and what to watch out for
• May 11, 2025
  Walking untrusted directories with O_PATH and openat2()
• May 4, 2025
  Mount namespaces and mount propagation in Linux
• Apr 27, 2025
  Backward compatibility lessons from a platform used by tens of thousands of applications
• Apr 20, 2025
  Communicate, Communicate, Communicate: Lessons from a Platform Change Gone Wrong
• Apr 13, 2025
  FUSE: Building Filesystems in Userspace
• Apr 6, 2025
  Understanding Diagnostics in Neovim