Kernels: Difference between revisions
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* {{Pkg|linux-lts}} is the stock modular kernel and is configured for a generous selection of hardware. | * {{Pkg|linux-lts}} is the stock modular kernel and is configured for a generous selection of hardware. | ||
* {{Pkg|linux-virt}} ({{Pkg|linux-lts}}, see the -virt configs) is recommended for Alpine Linux guests, and disables most hardware in favor of a commonly-virtualized subset of drivers. | * {{Pkg|linux-virt}} ({{Pkg|linux-lts}}, see the -virt configs) is recommended for Alpine Linux guests, and disables most hardware in favor of a commonly-virtualized subset of drivers. | ||
* | * {{pkg|linux-rpi|arch=}} is optimized for the Raspberry Pi. For alpine 3.18 and older there is also {{pkg|linux-rpi2|branch=v3.18|arch=}} and {{pkg|linux-rpi4|branch=v3.18|arch=}} optimized for the raspberry pi 2 and 4 respectively. See {{issue|15324}} for future plans. | ||
For installing a custom kernel, see [[Custom Kernel]]. To select a specific kernel or firmware packages during installation from the Alpine ISO, simply install the desired kernel flavor and firmware packages with {{ic|apk add}} before running {{ic|setup-alpine}}. | For installing a custom kernel, see [[Custom Kernel]]. To select a specific kernel or firmware packages during installation from the Alpine ISO, simply install the desired kernel flavor and firmware packages with {{ic|apk add}} before running {{ic|setup-alpine}}. | ||
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Some kernels are not well tested and are therefor only available in the testing repository. Use at own risk. | Some kernels are not well tested and are therefor only available in the testing repository. Use at own risk. | ||
* | * {{pkg|linux-asahi|arch=aarch64}} for Apple silicon | ||
* | * {{pkg|linux-elm|arch=aarch64}} for elm chromebooks | ||
* | * {{pkg|linux-gru|arch=aarch64}} for gru chromebooks | ||
== See also == | == See also == | ||
Latest revision as of 22:22, 9 January 2024
Alpine Linux has several kernels (see linux-*) designed to suit different situations.
- linux-lts is the stock modular kernel and is configured for a generous selection of hardware.
- linux-virt (linux-lts, see the -virt configs) is recommended for Alpine Linux guests, and disables most hardware in favor of a commonly-virtualized subset of drivers.
- linux-rpi is optimized for the Raspberry Pi. For alpine 3.18 and older there is also linux-rpi2 and linux-rpi4 optimized for the raspberry pi 2 and 4 respectively. See #15324 for future plans.
For installing a custom kernel, see Custom Kernel. To select a specific kernel or firmware packages during installation from the Alpine ISO, simply install the desired kernel flavor and firmware packages with apk add before running setup-alpine.
Firmware
The linux-firmware meta-package is included in the default installation, and depends on all firmware. It is a large download. You may be better served by installing only the firmware you need (see linux-firmware-*), or linux-firmware-none if you do not require any firmware. If you're unsure which firmware you need, boot with no firmware installed and run dmesg | grep firmware to get an idea. Be aware that most firmware is non-free.
Experimental Kernels
Some kernels are not well tested and are therefor only available in the testing repository. Use at own risk.
- linux-asahi for Apple silicon
- linux-elm for elm chromebooks
- linux-gru for gru chromebooks