First commit
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6 changed files with 87 additions and 144 deletions
17
ANSWERFILE
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17
ANSWERFILE
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KEYMAPOPTS="us us"
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HOSTNAMEOPTS="-n cvoges12home-desktop-0"
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INTERFACESOPTS="auto lo
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iface lo inet loopback
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auto eth0
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iface eth0 inet dhcp
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hostname cvoges12home-desktop-0
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gateway eth0
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"
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DNSOPTS="-n 9.9.9.9"
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TIMEZONEOPTS="-z UTC"
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PROXYOPTS="none"
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APKREPOSOPTS="-f"
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SSHDOPTS="-c openssh"
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NTPOPTS="-c chrony"
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DISKOPTS="none"
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10
README.md
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10
README.md
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# Alpine Chroot
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To create a base alpine chroot on any alpine system, run:
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```sh
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chmod +x *.sh
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./alpine_init.sh
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```
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Assuming your current working directory is the directory of the cloned repository.
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42
alpine_init.sh
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42
alpine_init.sh
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setup-alpine -f ANSWERFILE
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# setting fastest edge repos in repo list
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grep "edge" /etc/apk/repositories | sed "s/^#//" > repositories
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mv repositories /etc/apk/repositories
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# setting the mirror
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apk add curl
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curl -LO http://nl.alpinelinux.org/alpine/MIRRORS.txt
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mirror=`grep $(head -n 1 /etc/apk/repositories) | sed -e "s/.*\/\///" | sed -e "s/\//\ /" | awk '{print $1}') MIRRORS.txt`
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rm MIRRORS.txt
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# setting the chroot dir
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mkdir -p /mnt/chroot
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chroot_dir="/mnt/chroot"
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# setting the arch (change if needed)
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arch=$(uname -m)
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# set up apk
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version="edge"
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curl -LO ${mirror}/latest-stable/main/${arch}/apk-tools-static-${version}.apk
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tar -xzf apk-tools-static-*.apk
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# install the alpine base installation onto the chroot
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./sbin/apk.static -X ${mirror}/latest-stable/main -U --allow-untrusted -p ${chroot_dir} --initdb add alpine-base
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# seting up the chroot
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mount -o bind /dev ${chroot_dir}/dev
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mount -t proc none ${chroot_dir}/proc
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mount -o bind /sys ${chroot_dir}/sys
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# set up name resolution
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cp -L /etc/resolv.conf ${chroot_dir}/etc/
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# prepare the APK repositories
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branch=$version # change if you want a specific version
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mkdir -p ${chroot_dir}/etc/apk
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echo "${mirror}/${branch}/main" > ${chroot_dir}/etc/apk/repositories
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chroot ${chroot_dir} chroot_init.sh
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18
chroot_init.sh
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18
chroot_init.sh
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# preparing init services
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rc-update add devfs sysinit
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rc-update add dmesg sysinit
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rc-update add mdev sysinit
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rc-update add hwclock boot
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rc-update add modules boot
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rc-update add sysctl boot
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rc-update add hostname boot
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rc-update add bootmisc boot
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rc-update add syslog boot
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rc-update add mount-ro shutdown
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rc-update add killprocs shutdown
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rc-update add savecache shutdown
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# login shell
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sh -l
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135
main.sh
135
main.sh
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#!/usr/bin/env ash
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format_disk(){
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echo "===FORMATTING DISK==="
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apk add parted e2fsprogs
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ram="8" # in whole number GiB (round up)
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table="EFI-GPT" # EFI-GPT or MBR or BIOS-GPT
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[ "$table" == "MBR" ] && \
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parted -s /dev/sda \
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mklabel msdos \
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mkpart primary linux-swap 2MiB ${ram}GiB \
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mkpart primary ext4 ${ram}GiB 100% \
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set 2 boot on \
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&& mkswap -L SWAP /dev/sda1 \
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&& swapon /dev/sda1 \
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&& mkfs.ext4 -n ROOT /dev/sda2
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[ "$table" == "EFI-GPT" ] && \
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parted -s /dev/sda \
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mklabel gpt \
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mkpart primary fat32 1MiB +260MiB \
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mkpart primary linux-swap 260MiB +${ram}GiB \
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mkpart primary ext4 ${ram}GiB 100% \
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set 1 esp on \
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set 3 boot on \
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&& mkdosfs -n EFI /dev/sda1 \
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&& mkswap -L SWAP /dev/sda2 \
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&& swapon /dev/sda2 \
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&& mkfs.ext4 -n ROOT /dev/sda3
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[ "$table" == "BIOS-GPT" ] && \
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parted -s /dev/sda \
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mklabel gpt \
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mkpart primary fat32 1MiB 2MiB \
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mkpart primary linux-swap 100MiB ${ram}GiB \
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mkpart primary ext4 ${ram}GiB 100% \
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set 1 bios_grub on \
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set 3 boot on \
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&& mkdosfs -n EFI /dev/sda1 \
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&& mkswap -L SWAP /dev/sda2 \
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&& swapon /dev/sda2 \
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&& mkfs.ext4 -n ROOT /dev/sda3
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echo -e "\n\n"
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}
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chroot_dir=""
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arch=""
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mirror=""
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branch="latest-stable"
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version=""
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set_chroot_dir(){
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echo "===CHROOT DIRECTORY==="
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mkdir -p /mnt/chroot
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chroot_dir="/mnt/chroot"
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}
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set_arch(){
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arch=`uname -m`
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}
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set_mirror(){
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echo "===SETTING MIRROR==="
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data=""
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for s in $(wget -qO - \
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http://rsync.alpinelinux.org/alpine/MIRRORS.txt)
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do
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t=$(time -f "%E" wget -q $s/MIRRORS.txt -T 2 -O /dev/null 2>&1)
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echo "$s was $t"
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data="$data$t $s\n"
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done
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mirror=`echo -e $data \
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| sort \
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| grep "http" \
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| head -n 1 \
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| awk '{print $3}'`
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echo "${mirror}/${branch}/main" >> /etc/apk/repositories
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apk upgrade && apk upgrade
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echo "==RESULTS=="
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echo -e "${mirror}\n\n"
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}
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set_version(){
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version=`wget -O - -o /dev/null \
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${mirror}/${branch}/main/${arch}/ \
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| grep "apk-tools-static" \
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| sed -e 's/.*apk-tools-static-//' \
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| sed -e 's/\.apk.*//'`
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}
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get_alpine(){
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wget \
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${mirror}/${branch}/main/${arch}\
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/apk-tools-static-${version}.apk
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tar -xzf apk-tools-static-*.apk
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./sbin/apk.static -X ${mirror}/${branch}/main -U \
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--allow-untrusted --root ${chroot_dir} --initdb add alpine-base
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}
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mk_chroot(){
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# dev mounts
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mount /dev/ ${chroot_dir}/dev/ --bind
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mount -o remount,ro,bind ${chroot_dir}/dev
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# proc and sysfs
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mount -t proc none ${chroot_dir}/proc
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mount -o bind /sys ${chroot_dir}/sys
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# dns
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cp -L /etc/resolv.conf ${chroot_dir}/etc/
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mkdir -p ${chroot_dir}/root
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# apk sources
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mkdir -p ${chroot_dir}/etc/apk
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echo "${mirror}/${branch}/main" > \
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${chroot_dir}/etc/apk/repositories
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}
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set_mirror && \
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# fix the start and end
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format_disk && \
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set_chroot_dir #&& \
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#set_arch && \
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#set_version && \
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#get_alpine && \
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#mk_chroot
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#cat << EOF | chroot ${chroot_dir} ash -l
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#mkdir boop
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#echo "did it work?"
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#EOF
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apk add wireless-tools wpa_supplicant openssh
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ip link set wlan0 up
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iwconfig wlan0 essid "TheFoundry"
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wpa_passphrase "TheFoundry" "somethingclever" > /etc/wpa_supplicant/wpa_supplicant.conf
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wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf
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udhcpc -i wlan0
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# change /etc/ssh/sshd_config to have "PermitRootLogin yes"
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passwd #t
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rc-service sshd restart
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