Production ready eBPF, or how we fixed the BSD socket API
February 17, 2022 5:02PM
We are open sourcing the production tooling we’ve built for the sk_lookup hook we contributed to the Linux kernel, called tubular...
Missing Manuals - io_uring worker pool
February 04, 2022 1:58PM
Kernel Linux io_uring aio Deep DiveChances are you might have heard of io_uring. It first appeared in Linux 5.1, back in 2019, and was advertised as the new API for asynchronous I/O. Its goal was to be an alternative to the deemed-to-be-broken-beyond-repair AIO, the “old” asynchronous I/O API...
How to stop running out of ephemeral ports and start to love long-lived connections
February 02, 2022 9:53AM
Deep Dive UDP TCP Linux NetworkingOften programmers have assumptions that turn out, to their surprise, to be invalid. From my experience this happens a lot. Every API, technology or system can be abused beyond its limits and break in a miserable way...
How to execute an object file: Part 3
September 10, 2021 1:58PM
Linux Compiler Programming Software Deep DiveContinue learning how to import and execute code from an object file. In this part we will handle external library dependencies....
How to execute an object file: Part 2
April 02, 2021 12:00PM
Linux Compiler Programming Software Deep DiveContinue learning how to import and execute code from an object file. This time we will investigate ELF relocations....
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