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emk2203
Asked: 2023-08-18 23:10:26 +0800 CST

Accidentally deleted the system `uuidd` user and group -- which package to reinstall?

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I accidentally deleted the system user uuidd and their group from my system.

I want to reinstall the package they belong to, but when I look for the manual of uuidd on the net, it references the util-linux package. A reinstall of this package with sudo apt --reinstall install util-linux does not bring this user back.

How can I find out which package to reinstall and repair the system?

package-management

1 Answers

  1. Best Answer

    At least on my (22.04) system, the user and group appear to get created by the postinst script of the uuid-runtime package

    $ head -n 12 /var/lib/dpkg/info/uuid-runtime.postinst
#!/bin/sh
set -e

# add uuidd user/group if needed.
if ! getent group uuidd >/dev/null; then
        addgroup --system uuidd
fi
if ! getent passwd uuidd >/dev/null; then
        adduser --system --ingroup uuidd \
                --home /run/uuidd --no-create-home \
                uuidd
fi
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