network-manager depends on libpam-systemd
The network-manager package for ascii depends on libpam-systemd, which prevents it from being installed.
# apt install network-manager Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: network-manager : Depends: libpam-systemd but it is not going to be installed E: Unable to correct problems, you have held broken packages. # lsb_release -a No LSB modules are available. Distributor ID:\tDevuan Description:\tDevuan GNU/Linux 2.0 (ascii) Release:\t2.0 Codename:\tascii