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Fixing the user configuration of cloud-init on Debian 12
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Fix the wrong user configuration of cloud-init on Debian 12 (Bookworm)

Reviewed on 16 June 2023Published on 04 May 2023

Debian 12 (Bookworm) Instances created before June 2nd, 2023 were delivered with a preinstalled version of cloud-init that came with a wrong user configuration made by the custom-built upstream cloud-init 23.2.

The issue has been fixed for Instances created after June 2nd, 2023. The Debian 12 image now uses the official Debian Unstable cloud-init package.

Run the following commands to fix the issue on an Instance affected by this bug:

wget http://ftp.fr.debian.org/debian/pool/main/c/cloud-init/cloud-init_23.2-1_all.deb -O /tmp/cloud-init_23.2-1_all.deb
dpkg -i /tmp/cloud-init_23.2-1_all.deb
for FILE in /etc/group /etc/gshadow /etc/passwd /etc/shadow /etc/subgid /etc/subuid /etc/sudoers.d/90-cloud-init-users;
do
sed -i -e 's/Ubuntu/Debian/g' -e 's/ubuntu/debian/g' $FILE
done