Skip to content

Instantly share code, notes, and snippets.

@gamunu
Last active May 3, 2022 07:13
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save gamunu/e5cbd6252a1a88449d20e62fc55bea0c to your computer and use it in GitHub Desktop.
Save gamunu/e5cbd6252a1a88449d20e62fc55bea0c to your computer and use it in GitHub Desktop.
WSL kernel build instructions to include xt_recent module
docker run --name wsl-kernel-builder --rm -it ubuntu:latest bash
WSL_COMMIT_REF=linux-msft-wsl-5.10.16.3 # change this line to the version you want to build
# Install dependencies
apt update
apt install -y git build-essential flex bison libssl-dev libelf-dev bc
# Checkout WSL2 Kernel repo
mkdir src
cd src
git init
git remote add origin https://github.com/microsoft/WSL2-Linux-Kernel.git
git config --local gc.auto 0
git -c protocol.version=2 fetch --no-tags --prune --progress --no-recurse-submodules --depth=1 origin +${WSL_COMMIT_REF}:refs/remotes/origin/build/linux-msft-wsl-5.10.y
git checkout --progress --force -B build/linux-msft-wsl-5.4.y refs/remotes/origin/build/linux-msft-wsl-5.10.y
# Enable xt_recent kernel module
sed -i 's/# CONFIG_NETFILTER_XT_MATCH_RECENT is not set/CONFIG_NETFILTER_XT_MATCH_RECENT=y/' Microsoft/config-wsl
# Compile the kernel
make -j2 KCONFIG_CONFIG=Microsoft/config-wsl
# From the host terminal copy the newly built kernel
docker cp wsl-kernel-builder:/src/arch/x86/boot/bzImage .
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment