Why would anything mythbuntu depend on network-manager? Sorry, but I fail to understand this.
apt-get --purge remove network-manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
Use 'apt-get autoremove' to remove them.
The following packages will be REMOVED:
mythbuntu-default-settings* mythbuntu-desktop* network-manager* network-manager-gnome*
I'm trying very hard to get RID of network-manager as it seems like it keeps messing up my wireless connection...