select v.s. poll v.s. epoll

Overview There are a lot of good articles explaining the differences among select, poll and epoll on the Internet. In my opinion, the best explanation is always the man page itself. And the best way to understand their differences is to write programs using them because we can usually guess... [Read More]
Tags: Linux I/O

Mini Container Series Part 0

Not a Real Container

Summary Recently, I learned some container technologies in Linux such as namespace and cgroup. However, after reading several articles and man pages, there was still one question lingering in my head - “How are the technologies put together?” In other words, how are they used to implement containers? [Read More]