source: devel/pb/contrib/pbsetupqemu @ 153

#!/bin/bash

# Script to be used as pbscript to create a potentialy 
# missing pb account on the QEMU VM, and adds it to sudo
# 
# Needs to use rrot account to connect to the VM

# You need to specify here your local public SSH key used to access
# the pb account in the VM later on

cat > /tmp/pbkey << EOF
ssh-dss AAAAB3NzaC1kc3MAAACBAMC06bNLMu8ZBJv3Hi77+fi+GUhtQScIbGKru86C/IP27EjrmYhPVccbu8kpX6SDHIouhpZ00gaefP3zHjLUmPKlXkMNUNjxx5JNLPoHhSIuUvoSTNoh9gsi31abAvzbW+RNer7rvBJO4ytNJRdsuNxBwqjxK04JEmatds+aKTQjAAAAFQDHaNmIuvYZ0RtNBVe+tzTzxxCQmQAAAIA4o89Xob2VBRtQKBjmWVAuTS14qiqnQUPNloaRkM+r2odI+NJDFc+WXOIG9QAPKKt1jvFOBOX9Mu3/xwiDLnAGhxud98FoyHevSpIWUld7rG4j1aww1WxolFWY/iPyAvDDMW3iysCoqQeSOlpRd9Mz/dq6/P/VcizhdGOKyc3JBgAAAIAA1eY+BoneiQ/tQ8j3GYbMTu6U7VzZ2OaoVeQn4NtZmPl+ZeQIj83nFpo99mYCbaBPqnZToERndl+ljp/JX5pamwj6RcLIDCyiB6MXLbQSWj0goegU1htp5aMd3NcyR2Jy8gCnf0QjDr7j23Q+CFGExtRb/nsDmaG5W9D6QSWQ/g== bruno@victoria
EOF
chmod 644 /tmp/pbkey

grep -Eq '^pb:' /etc/passwd
if [ $? -ne 0 ]; then
        su - -c "useradd pb"
fi

# No passwd for pb only keys
perl -pi -e 's/^pb:\!\!:/pb:*:/' /etc/shadow
# Adapt sudoers
grep -Eq '^pb   ' /etc/sudoers
if [ $? -ne 0 ]; then
        echo "pb   ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
fi
# poweroff only

su - pb -c "mkdir -p .ssh ; chmod 700 .ssh ; cp /tmp/pbkey .ssh/authorized_keys ; chmod 600 .ssh/authorized_keys"
rm -f /tmp/pbkey