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Dozens of minimal operating systems to learn x86 system programming. Tested on Ubuntu 17.10 host in QEMU 2.10 and real hardware. Userland cheat at: https://github.com/cirosantilli/linux-kernel-module-cheat#userland-assembly ARM baremetal setup at: https://github.com/cirosantilli/linux-kernel-modu... Read more

The perfect emulation setup to study and develop the Linux kernel, kernel modules, QEMU, gem5 and x86_64, ARMv7 and ARMv8 userland and baremetal assembly, ANSI C, C++ and POSIX. GDB step debug and KGDB just work. Powered by Buildroot and crosstool-NG. Highly automated. Thoroughly documented. Auto... Read more

Linux tutorials and cheatsheets. Minimal examples. Mostly user-land CLI utilities. Linux kernel at: https://github.com/cirosantilli/linux-kernel-module-cheat Linux教程和备忘单。 最少的例子。 主要是用户级CLI实用程序。 Linux内核位于：https://github.com/cirosantilli/linux-kernel-module-cheat

MOVED TO: https://cirosantilli.com/linux-kernel-module-cheat/userland-assembly with code at https://github.com/cirosantilli/linux-kernel-module-cheat/tree/master/userland/arch/x86_64 SEE README. x86 IA-32 and x86-64 userland minimal examples tutorial. Hundreds of runnable asserts. Nice GDB setup.... Read more

MOVING TO: https://github.com/cirosantilli/linux-kernel-module-cheat#userland-content SEE README. C, C++, POSIX and Linux system programming minimal examples. Asserts used wherever possible. Hello worlds for cool third party libraries and build systems. Cheatsheets, tutorials and mini-projects. 移... Read more

MOVED TO: https://cirosantilli.com/linux-kernel-module-cheat/userland-assembly with code at https://github.com/cirosantilli/linux-kernel-module-cheat/tree/master/userland/arch/arm SEE README. ARMv7 and ARMv8 assembly userland minimal examples tutorial. Runnable asserts on x86 hosts with QEMU user... Read more

For effective cheating detection in security competitions. Uses Linux Kernel Module (LKM) for generating flags.

MOVING TO https://cirosantilli.com/linux-kernel-module-cheat#python See README. Python minimal examples. Asserts used wherever possible. Tested on Ubuntu 18.04.

USE THIS INSTEAD: https://github.com/cirosantilli/linux-kernel-module-cheat cd into a Linux kernel source tree, run one command, and get a running QEMU VM with BusyBox.

MOVED TO: https://github.com/cirosantilli/linux-kernel-module-cheat/tree/595e52bb5cad842045127d56a978bd59a98bd45b#baremetal-setup Bare metal arm ARMv7 and aarch64 ARMv8 UART minimal examples that run on QEMU or gem5. Uses the C standard library via Newlib built from Crosstool-NG. GDB setup just w... Read more