Recently I found when using the Control Centre in KDE that the Administrator Mode was not effective. The Administrator Mode in KDE was not enabled, after entering a correct password. I was able to enter my root password, and receive notification if it was the wrong password. However, the root administrator functions were not made available. Examples of items affected include the Wi-Fi editor, network editor and the control Centre.
Initially the problem looked to be related to kdesu, or perhaps a recent package update. The problem with the Administrator Mode was resolved by ensuring that a proper hostname has been entred in /etc/hosts and /etc/hostname, example files are given below:
/etc/hosts
127.0.0.1 localhost localhost.mydomain.co.uk
192.168.0.2 gate gate.mydomain.co.uk
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
/etc/hostname
gate.mydomain.co.uk
Can be checked using the command hostname.
NAT November 2007
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