prepare-env.txt

# How to prepare minimal Debian environment from scratch.

# 1st stage from linux PC
sudo debootstrap --arch mipsel --foreign --variant=minbase --include=openssh-server stable debian ftp://ftp.debian.org/debian
sudo tar -cvzf ./debian-stable-mipsel.tgz debian
# now transfer debian-stable-mipsel.tgz to router.

# 2nd stage from router
cd /opt
tar -xvzf debian-stable-mipsel.tgz
mount /dev/ debian/dev
mount /proc/ debian/proc
mount /sys/ debian/sys
LC_ALL=C LANGUAGE=C LANG=C chroot debian /debootstrap/debootstrap --second-stage
sed -i 's|Port 22|Port 65022|g' debian/etc/ssh/sshd_config
sed -i 's|PermitRootLogin without-password|PermitRootLogin yes|g' debian/etc/ssh/sshd_config
cat > debian/usr/sbin/policy-rc.d <<EOF
#!/bin/sh
exit 101
EOF
chmod a+x debian/usr/sbin/policy-rc.d

LC_ALL=C LANGUAGE=C LANG=C chroot debian /bin/bash
passwd # set 'debian' paasword for root
apt-get clean
exit

umount debian/dev
umount debian/proc
umount debian/sys
rm debian/var/lib/apt/lists/*
tar -cvzf debian_clean.tgz debian