https://wiki.alpinelinux.org/w/api.php?action=feedcontributions&feedformat=atom&user=TheLastPsion 2026-05-02T05:33:19Z User contributions MediaWiki 1.40.0 https://wiki.alpinelinux.org/w/index.php?title=Raspberry_Pi_-_Upgrade_kernel_from_repos&diff=27097 2024-08-19T17:01:56Z

<p>TheLastPsion: Fix &quot;modloop&quot; on last line.</p> <hr /> <div>In diskless setups the kernel upgrade is not part of the regular upgrade process.<br /> To do that, one can [[Upgrading_Alpine#Update_to_latest_kernel_on_armhf_(eg._Raspberry_Pi_0_or_1)|get the new kernel from the latest release tarball]].<br /> <br /> However, if you need a newer kernel that is available in the repositories but is not yet part of a release, you might consider using the {{ic|update-kernel}} script.<br /> The catch is, on a Raspberry Pi 3, 1GB of RAM is not enough to successfully run it.<br /> Also, the script doesn't work in diskless mode because of the read-only modloop mount.<br /> There is a workaround, though.<br /> <br /> # Generate boot files, including the new kernel in sys mode.<br /> # Transfer boot files to the target diskless mode microSD card.<br /> <br /> == Generate boot files ==<br /> <br /> Grab a fresh microSD card and install Alpine Linux on it.<br /> Boot it on a Raspberry Pi, install the system in sys mode by running {{ic|setup-disks}} and reboot.<br /> Log in as root, then run update-kernel as follows.<br /> This will take a while.<br /> <br /> {{Cmd|mkdir /root/tmp<br /> mkdir /root/boot<br /> TMPDIR{{=}}/root/tmp update-kernel -a armhf -f rpi -M /root/boot}}<br /> <br /> All files necessary to boot the newest kernel available in repos are now in {{path|/root/boot}}.<br /> <br /> == Transfer boot files ==<br /> <br /> Copy all files from {{path|/root/boot}} to the target microSD card's root.<br /> The Pi should be able to boot from this card and the kernel should now be upgraded.<br /> <br /> == Adding kernel modules and firmware ==<br /> <br /> You can also add modules by using the {{ic|-p}} switch, followed by the package name.<br /> For example, if you wanted to include the ZFS kernel module, you would change the above {{ic|update-kernel}} command line to the following:<br /> <br /> {{Cmd|TMPDIR{{=}}/root/tmp update-kernel -a armhf -f rpi -p zfs-rpi -M /root/boot}}<br /> <br /> This will add the specified modules into the {{ic|modloop}} volume.<br /> <br /> [[Category:Raspberry]]</div>

TheLastPsion https://wiki.alpinelinux.org/w/index.php?title=Raspberry_Pi_-_Upgrade_kernel_from_repos&diff=27096 2024-08-19T16:58:00Z

<p>TheLastPsion: Added information about the -p switch in update-kernel.</p> <hr /> <div>In diskless setups the kernel upgrade is not part of the regular upgrade process.<br /> To do that, one can [[Upgrading_Alpine#Update_to_latest_kernel_on_armhf_(eg._Raspberry_Pi_0_or_1)|get the new kernel from the latest release tarball]].<br /> <br /> However, if you need a newer kernel that is available in the repositories but is not yet part of a release, you might consider using the {{ic|update-kernel}} script.<br /> The catch is, on a Raspberry Pi 3, 1GB of RAM is not enough to successfully run it.<br /> Also, the script doesn't work in diskless mode because of the read-only modloop mount.<br /> There is a workaround, though.<br /> <br /> # Generate boot files, including the new kernel in sys mode.<br /> # Transfer boot files to the target diskless mode microSD card.<br /> <br /> == Generate boot files ==<br /> <br /> Grab a fresh microSD card and install Alpine Linux on it.<br /> Boot it on a Raspberry Pi, install the system in sys mode by running {{ic|setup-disks}} and reboot.<br /> Log in as root, then run update-kernel as follows.<br /> This will take a while.<br /> <br /> {{Cmd|mkdir /root/tmp<br /> mkdir /root/boot<br /> TMPDIR{{=}}/root/tmp update-kernel -a armhf -f rpi -M /root/boot}}<br /> <br /> All files necessary to boot the newest kernel available in repos are now in {{path|/root/boot}}.<br /> <br /> == Transfer boot files ==<br /> <br /> Copy all files from {{path|/root/boot}} to the target microSD card's root.<br /> The Pi should be able to boot from this card and the kernel should now be upgraded.<br /> <br /> == Adding kernel modules and firmware ==<br /> <br /> You can also add modules by using the {{ic|-p}} switch, followed by the package name.<br /> For example, if you wanted to include the ZFS kernel module, you would change the above {{ic|update-kernel}} command line to the following:<br /> <br /> {{Cmd|TMPDIR{{=}}/root/tmp update-kernel -a armhf -f rpi -p zfs-rpi -M /root/boot}}<br /> <br /> This will add the specified modules into the {{modloop}} volume.<br /> <br /> [[Category:Raspberry]]</div>

TheLastPsion