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| == Upgrading Alpine 1.9.x that runs on HD/CF/USB ==
| | #REDIRECT [[Upgrading Alpine]] |
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| This document covers upgrading from a previous version of Alpine 1.9 to newer versions of 1.9. Thanks to many improvements in 1.9, it is possible to easily upgrade in most scenerios.
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| All examples/instructions/actions mentioned in this document should be executed on the box that you are planning to upgrade (unless you are instructed otherwise).
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| == Upgrading an Alpine Linux Hard-disk installation ==
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| When Alpine is installed to hard drive, upgrading the installation is simple.
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| {{Using_Internet_Repositories_for_apk-tools}}
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| Ensure you have the latest available version of the Alpine Package Manager first before upgrading anything else:
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| apk add -u apk-tools
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| Finally, upgrade all remaining packages, including the kernel if applicable:
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| apk upgrade
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| == Upgrading Boot Media ==
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| You may have an installation where the boot media being used (such as a CD, for example) is separate from the media used to store the configuration information. In this case, simply download the latest ISO, and replace the boot media contents with the contents of the latest ISO. If you are booting from a CD, this would simply mean replacing the CD with a CD made from the new image and rebooting the Alpine box.
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| == Upgrading Alpine on CF/USB ==
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| Your installation may consist of Alpine running on Compact Flash or USB media. In most cases, it should be sufficient to upgrade most packages using the '''Alpine Hard-disk Installation''' upgrade procedures described above. However, for new packages to survive after a reboot, you should enable [[How_to_enable_APK_caching|APK caching]].
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| '''Please note:''' As newer version of alpine may include kernel upgrades, simply pointing the Alpine Package Manager to an internet-based repository and running ''apk upgrade'' will not be enough, as kernel components are not upgraded when Alpine is run from memory.
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| {{Upgrading_Alpine_environmentvars}}
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| === Upgrade Step-by-Step ===
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| Start by checking that you have enough space on your media.<BR>
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| You need at least 400MB available space.
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| df -h | grep "Filesystem\|$LBU_MEDIA"
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| ==== Download and verify new release ====
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| Start downloading a new '.iso' and a '.sha1' file
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| cd /media/$LBU_MEDIA
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| wget -c {{Latest_1.9_alpine_iso-mirror}}{{Latest_1.9_alpine_iso-filename}}
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| wget http://dev.alpinelinux.org/alpine/v1.9/iso/{{Latest_1.9_alpine_iso-filename}}.sha1
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| Check integrity of the downloaded files ''(it might take some time)''
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| sha1sum -c {{Latest_1.9_alpine_iso-filename}}.sha1
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| ''The output of the above command should say 'OK'.<BR>''
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| ''If says 'FAILED', delete the iso file and download it again.''
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| ==== Copy the new release ====
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| Mount the ISO.
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| mount -t iso9660 {{Latest_1.9_alpine_iso-filename}} /mnt
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| Back up files that you have modified. For example, you might have modified ''syslinux.cfg'' to show console output on a serial port.<BR>
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| cp /media/$LBU_MEDIA/syslinux.cfg /media/$LBU_MEDIA/syslinux.cfg.my
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| Copy the files:
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| cd /mnt
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| rsync --delete -rltv .alpine-release * /media/$LBU_MEDIA/
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| Restore your backed up files ''(in case you had any)''
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| mv -f /media/$LBU_MEDIA/syslinux.cfg.my /media/$LBU_MEDIA/syslinux.cfg
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| Make sure that all files are permanently saved in right place
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| sync
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| ==== Clean up ====
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| Clean up the downloaded/unpacked files
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| cd ..
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| umount /mnt
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| rm /media/$LBU_MEDIA/{{Latest_1.9_alpine_iso-filename}}
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| rm /media/$LBU_MEDIA/{{Latest_1.9_alpine_iso-filename}}.sha1
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| === Save changes ===
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| Now that all upgrades are done, we should save our settings to our media (which you hopefully have backed up prior to doing this upgrade).
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| lbu ci
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| == Rebooting ==
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| In most cases you will need to reboot Alpine (especially if there are changes in the kernel):
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| reboot
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| '''''Note:''' If you know what you are doing, you might not need to reboot. But make sure that all services affected by the upgrade are restarted.''
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