The kdumpid tool can be used to determine the kernel version from a crash dump. Some useful features are missing:
- support for new compression methods (lzo, snappy)
- support for new architectures (ppc64le)
- for Xen dumps, include the hypervisor version in the output
Status after Hackweek 11
The kdumpid application has switched to libkdumpfile (see also the gdb-kdump Hackweek Project), which adds support for lzo and snappy. Partial support of ppc64le has been added, too. Xen hypervisor version is detected and printed.
This project is part of:
Hack Week 11
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pudc - A PID 1 process that barks to the internet by mssola
Description
As a fun exercise in order to dig deeper into the Linux kernel, its interfaces, the RISC-V architecture, and all the dragons in between; I'm building a blog site cooked like this:
- The backend is written in a mixture of C and RISC-V assembly.
- The backend is actually PID1 (for real, not within a container).
- We poll and parse incoming HTTP requests ourselves.
- The frontend is a mere HTML page with htmx.
The project is meant to be Linux-specific, so I'm going to use io_uring, pidfs, namespaces, and Linux-specific features in order to drive all of this.
I'm open for suggestions and so on, but this is meant to be a solo project, as this is more of a learning exercise for me than anything else.
Goals
- Have a better understanding of different Linux features from user space down to the kernel internals.
- Most importantly: have fun.
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