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Linux PTY - How docker attach and docker exec Commands Work Inside

August 11, 2019 (Updated: December 7, 2021)
Containers,Linux / Unix,Programming
Comments: 0

Have you ever been wondering how docker (or kubectl) attach command is implemented under the hood? If so, you're in the right place! This article covers the basics of Linux pseudoterminal capabilities and continuously shows how attach-like feature can be implemented in a ridiculously small amount of code.

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  • docker,
  • terminal,
  • pty,
  • go,
  • c

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Ivan Velichko

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