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- The login option to use the dash interface is no longer supported, nor is the script to revert to dash. ~/.athena_dash_interface will not be honored.
- The Mozilla web browser is de-supported and not available by default.
- The Kerberized rlogin, rsh, telnet, and ftp daemons are no longer supported. The clients are still provided.
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- The access_on and access_off commands are no longer supported.
- Athena machines will no longer create temporary home directories for users whose home directories are unavailable.
- The "ignore customizations" login option is gone. In its place are two similar options: "Failsafe GNOME" which uses a default GNOME session without user customizations, and "Failsafe Terminal" which eliminates all GUI customizations.
- The customized Athena xscreensaver has been replaced with the default GNOME screensaver. It is still possible to log out users after 20 minutes by default. It is no longer possible to specify a separate password for the screensaver. It is possible to run commands when the screen locks or unlocks but it is substantially more complicated; google for "gnome-screensaver dbus" for more information. The xscreensaver-button command is no longer supported.
- The pop-up console window for system messages is gone. The standard Ubuntu behavior of writing xsession errors to a file .xsession_errors in the user's home directory is used instead.
- Athena machines will no longer answer time requests on the "time" and "daytime" ports unless manually configured to do so.
- Athena 10 discontinues boot-time synchronizing the hardware clock with daylight savings time changes.
- Bringing lockers local with the /etc/athena/local-lockers.conf file is no longer supported.
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- The /etc/athena/rc.conf file is no longer used to control workstation configuration. (Unfinished.)
- There is no longer a "PUBLIC" configuration flag to control system cleanups. Instead Athena 10 systems will be considered "private" or "PUBLIC=false" by default. Cluster systems with their comprehensive application suite and aggressive system cleanups will install the package debathen-cluster. Installation of this package now defines a "PUBLIC=true" system.
- Setting the hostname and IP address is no longer done in rc.conf. Instead the standard utility from the menu System->Administration->Network is used.
- Athena machines no longer run a local caching name server.
- The mkserv command is no longer supported.
- Default SMB support is client only. To act as an SMB server requires additional software and manual configuration.
- The xlogin global motd (displayed on the login screen before the user logs in) is no longer supported.
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