Upgrade Your WSL 2 Kernel in Just a Few Simple Steps!

Do you want to use Linux programs on your Windows computer without the hassle of switching operating systems? Look no further than the Windows Subsystem for Linux (WSL). While programs in WSL may run slower than native Linux, the convenience of having Linux software on your Windows machine is unparalleled. With Microsoft constantly enhancing WSL by integrating these improvements into the Linux kernel, the experience will only get better.

WSL Kernel and Virtualization

• In WSL 2, the Linux kernel operates on a hypervisor, similar to its Linux counterpart KVM/Qemu. This configuration ensures seamless communication between the guest and host systems by facilitating shared memory and CPU management functions.
• While Microsoft primarily contributes to the program code involved, newer kernels in WSL bring support for contemporary hardware and optimizations to enhance performance. Despite minimal hardware driver involvement due to static virtual hardware, specialized drivers like network block devices (nbd) cater to specific applications, such as mounting virtual hard disks.

Installing WSL and Checking the Version

To access the Windows terminal for PowerShell, Command Prompt, and WSL operations, follow these steps:

1. Install WSL via Powershell with the command wsl --install -d Ubuntu-24.04.
2. Verify distribution availability by entering wsl --list --online, followed by a Windows restart.
3. Log in to begin the Linux installation process, followed by user credentials setup and a system update with sudo apt update && sudo apt upgrade.

Creating a New Kernel for WSL 2

Follow these steps to build a custom kernel for WSL 2 in Linux:

1. Install necessary developer packages using sudo apt install build-essential flex bison dwarves libssl-dev libelf-dev libncurses-dev git.
2. Set up a working directory, download the source code, and configure the kernel version.
3. Personalize the kernel name, proceed with kernel creation, and install modules.
4. Transfer the vmlinux file to the Windows user profile and configure the .wslconfig file in your Windows profile directory.
5. Finalize by shutting down all running WSL instances in Powershell.

By completing these steps, you can enjoy the latest Linux kernel functionalities on your Windows computer seamlessly.

In conclusion, by implementing the Windows Subsystem for Linux (WSL) on your Windows machine, you can effortlessly use Linux programs without switching operating systems. Stay updated with kernel configurations and optimizations to enhance your experience further. Enjoy the versatility of Linux on your Windows platform with WSL today!