Expired root account causes troubles with some postinsts
The way we disable the root account causes troubles with configuration of some packages, like gpsd:
Setting up gpsd (3.17-7) ...
Creating/updating gpsd user account...
Your account has expired; please contact your system administrator
chfn: PAM: Authentication failure
adduser: `/bin/chfn -f GPSD system user gpsd' returned error code 1. Exiting.
Non-system user gpsd found. I will not overwrite a non-system
user. Remove the user and reinstall gpsd.
dpkg: error processing package gpsd (--configure):
installed gpsd package post-installation script subprocess returned error exit status 1
gpsd's postinst script looks like this:
#!/bin/bash
# postinst script for gpsd
set -e
if [ "$1" = "configure" ] ; then
echo "Creating/updating gpsd user account..."
adduser --system --ingroup dialout --home /run/gpsd \
--gecos "GPSD system user" --shell /bin/false \
--quiet --disabled-password gpsd || {
# adduser failed. Why?
if getent passwd gpsd >/dev/null ; then
echo "Non-system user gpsd found. I will not overwrite a non-system" >&2
echo "user. Remove the user and reinstall gpsd." >&2
exit 1
fi
# unknown adduser error, simply exit
exit 1
}
fi
#DEBHELPER#
exit 0
It also causes some commonly used patterns, like sudo su
, to not work. AFAIK other systems, like Ubuntu, tend to disable root account just by disabling its password without expiring the account.
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