John's blog

Talking about technology (mostly)

I’m reading How Linux Works, 3rd Edition: What Every Superuser Should Know and I learned that you can force the kernel to reload a partition table with a command like this:

# blockdev --rereadpt /dev/sdX

Did some Linux related reading:

p.s. Linux has just bumped to major version 6!

This is great: cheat.sh. It’s a web accessible cheatsheet for Linux commands.

See What is creating the generated/autoconf.h? for tips on how to generate autoconf.h for the Linux sources.
Instead of

gunzip < /proc/config.gz > .config

Use

cat /boot/config-$(uname -r) > .config

Found an article about the implementation of read-copy update locks in Linux: RCU and Unloadable Modules.

If you want to get a simple report on your linux system’s specifications, try these:

Today I reviewed: 5 Best Vector Graphics Editors for Linux. Will play with Inkscape first I guess…

Today I found myself referring to: File types In Linux/Unix explained in detail. Basically:

Also apparently there is a thing called a Door File on Solaris, but, alas, we’re not caring about that.

This is an excellent article, I only wish I had time to read it: So you want to build an embedded Linux system?.