Linux Kernel Builder & Manager

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Build custom Linux kernel .deb packages with GitHub Actions, then install or remove them on Debian/Ubuntu with kernel-manager.sh.

What It Does

• Builds Linux stable kernels from linux-${kernel_version}.y.
• Optionally applies the BBRv3 patch from a user‑specified URL.
• Publishes Release assets:
  • kernel-<version>.tar.gz
  • config-<version>.tar.gz
• Installs, uninstalls, lists, and cleans downloaded kernels.

Files

.github/workflows/build-kernel.yml    Reusable build workflow
.github/workflows/trigger-stable.yml  Build a standard stable kernel
.github/workflows/trigger-bbrv3.yml   Build a BBRv3 kernel
config                                Kernel .config
kernel-manager.sh                     Install/uninstall helper

Build

Run one of these workflows from GitHub Actions:

• Build Latest Stable Kernel
• Build BBRv3 Kernel

For the standard stable kernel, set kernel_version only (e.g., 7.0). For the BBRv3 kernel, you must provide two inputs:

• kernel_version – e.g., 6.12

• bbr_patch_url – the full URL to download the BBRv3 patch file

The workflow creates a GitHub Release containing the built kernel packages.

Install

On the target Debian/Ubuntu host:

curl -O https://raw.githubusercontent.com/hellooe/Latest-Kernel/main/kernel-manager.sh
chmod +x kernel-manager.sh

If using your own repository:

export GITHUB_REPO="owner/repo"

List versions:

./kernel-manager.sh list

Install:

./kernel-manager.sh install <version>

Uninstall:

./kernel-manager.sh uninstall <version>

Clean cache:

./kernel-manager.sh clean

Requirements

The script must run as root and requires dpkg, apt-get, tar, find, curl, jq and update-grub.

Environment

Variable	Default
GITHUB_REPO	hellooe/Latest-Kernel
DOWNLOAD_DIR	/root/.cache/kernel-manager

Notes

• Keep at least one known-good old kernel installed.
• Reboot after installing a new kernel.
• The script refuses to uninstall the currently running kernel.
• For BBRv3 builds, the patch source must be provided by the user at build time.

License

MIT. See LICENSE.