Configure GNOME3 DConf User Profile
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Description
By default, DConf provides a standard user profile. This profile contains a list
of DConf configuration databases. The user profile and database always take the
highest priority. As such the DConf User profile should always exist and be
configured correctly.
To make sure that the user profile is configured correctly, the /etc/dconf/profile/gdm
should be set as follows:
user-db:user
system-db:gdm
Rationale
Failure to have a functional DConf profile prevents GNOME3 configuration settings
from being enforced for all users and allows various security risks.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
# Remediation is applicable only in certain platforms
if dpkg-query --show --showformat='${db:Status-Status}\n' 'gdm3' 2>/dev/null | grep -q installed && { [ ! -f /.dockerenv ] && [ ! -f /run/.containerenv ]; }; then
echo -e 'user-db:user\nsystem-db:gdm' > /etc/dconf/profile/gdm
else
>&2 echo 'Remediation is not applicable, nothing was done'
fi
