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| = Introduction =
| | #REDIRECT [[Alpine Linux in a chroot]] |
| You will need a few Gigabytes to have enough pace for kernel compiling and storing all the binary packages and iso image.
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| This page is divided into 2 main sections
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| * [[#Create a build environment|Create a build environment]]
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| * [[#Update a existing environment|Update a existing environment]]
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| = Create a build environment =
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| The Build Environment (called [[#Create a build environment|BE]] from now on) could be any of the following...
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| * Created on a existing 2.6 kernel
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| * A [[Native Harddisk Install|disk-based Alpine]]
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| == Create [[#Create a build environment|BE]] on existing 2.6 kernel ==
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| We are setting up our [[#Create a build environment|BE]] in chroot.
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| '''Note:''' The variables below:
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| * '''${mirror}''' = Should be replaced with one of the available alpine-mirrors.
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| * '''${build_dir}''' = You can name it whatever you like.
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| Lets start by geting the latest apk static binary:
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| wget ${mirror}/apk.static
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| chmod +x ./apk.static
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| We are setting up a basic chroot:
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| mkdir ${build_dir}
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| ./apk.static --repo ${mirror}/packages/core --root $PWD/${build_dir} add --initdb build-base git abuildv
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| mkdir -p ./${build_dir}/proc
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| mount --bind /proc ./${build_dir}/proc
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| Lets setup our needed devices:
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| mknod -m 666 ./${build_dir}/dev/full c 1 7
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| mknod -m 777 ./${build_dir}/dev/null c 1 3
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| mknod -m 666 ./${build_dir}/dev/ptmx c 5 2
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| mknod -m 644 ./${build_dir}/dev/random c 1 8
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| mknod -m 644 ./${build_dir}/dev/urandom c 1 9
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| mknod -m 666 ./${build_dir}/dev/zero c 1 5
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| mknod -m 666 ./${build_dir}/dev/tty c 5 0
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| We need or dns servers and root dir:
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| cp /etc/resolv.conf ./${build_dir}/etc/
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| mkdir -p ./${build_dir}/root
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| We are setting up apk mirrors:
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| mkdir -p ./${build_dir}/etc/apk
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| echo "${mirror}/packages/core" > ./${build_dir}/etc/apk/repositories
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| echo "${mirror}/packages/extra" >> ./${build_dir}/etc/apk/repositories
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| At this point you should be able to enter your chroot:
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| chroot ./${build_dir} /bin/sh
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| == Create [[#Create a build environment|BE]] on HD-based Alpine ==
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| First you need to boot a alpine-test.iso<BR>
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| Ether you do it on a standalone computer or in a virtual machine.
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| === Preparing KVM ''(temporary notes)'' ===
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| I chose to setup a HD-based Alpine in a virtual machine on my Ubuntu 8.10.<BR>
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| ('''Notes:''' This section about setting up KVM should probably be removed later on - it's mostly there to help me get started).
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| apt-get install kvm ###This installs KVM###
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| kvm-img create alpine-kvm_hd.img 5G ###Create a KVM-disk###
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| wget http://distrib-coffee.ipsl.jussieu.fr/pub/linux/alpine/alpine/v1.9/alpine-test.iso ###Download iso###
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| Before we boot our kvm-qemu we need to prepare it for networking by following the [[Running_Alpinelinux_As_a_QEMU_networked_Guest]] documents.<BR>
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| This assumes you created a file '''qemu-ifup''' according to the wiki-doc just mentioned.
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| sudo kvm -cdrom alpine-test.iso -boot d -net tap,vlan=0,ifname=tap0,script=./qemu-ifup -net nic,vlan0 alpine-kvm_hd.img
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| At this point we started a virtual machine running a clean Alpine.<BR>
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| Now we need to prepare this for networking, etc.
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| '''Temporary note:''' [[For some reason I can't get networking to work in my kvm-qemu box. Complaining about tun/tap on my host. Need to fix this.]]
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| === Prepare the clean Alpine ===
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| At this point you should have a fresh alpine-box.<BR>
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| = Update a existing environment =
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