Created
April 30, 2020 15:37
-
-
Save mikeslattery/20a2007d46b0f180d7eca217773e68b1 to your computer and use it in GitHub Desktop.
Create a temporary Alpine chroo
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh | |
# Create and launch an alpine chroot | |
# If /tmp is not tmpfs, change this to /dev/shm | |
rootfs=/tmp/alpine | |
set -eu | |
if ! [ -f $rootfs/etc/resolv.conf ]; then | |
if ! [ -f ~/Downloads/alpine.tar.gz ]; then | |
curl -Lf -o ~/Downloads/alpine.tar.gz http://dl-cdn.alpinelinux.org/alpine/v3.11/releases/x86_64/alpine-minirootfs-3.11.6-x86_64.tar.gz | |
fi | |
mkdir -p $rootfs | |
sudo tar -C $rootfs -xf ~/Downloads/alpine.tar.gz | |
if ! [ -d $rootfs/dev/stdout ]; then | |
echo dev proc run sys | xargs -d' ' -I% sudo mount /%/ $rootfs/%/ --bind | |
fi | |
sudo cp -a /etc/resolv.conf $rootfs/etc/. | |
fi | |
sudo chroot $rootfs /bin/sh -i |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment