Bradley wrote: > Aldo Foot wrote: >> On Wed, Sep 24, 2008 at 12:58 PM, Bradley <pursley001@xxxxxxxxxxx> wrote: >> >>> Okay, >>> >>> I am starting to do some more advanced automated maintenance on my >>> system but can't find a nifty way to do something and was wondering if >>> anyone out there can help me with this. I am configuring my system to >>> do an automated backup of all my data (2 to 4 hours per week) but need >>> it to do certain things to protect the process. >>> >>> For an unattended process, I need to know how to: >>> >>> 1. Force all users currently logged on to be logged off (preferably >>> with at least a 5 minute notice). >>> 2. Prevent anyone from logging on. >>> 3. Prevent the system from being shut down or rebooted. >>> 4. Shut down the X server (speeds up processing time considerably). >>> 5. After finished to restart X server and allow shutdown and logins. >>> >>> If anyone knows any commands to do at least some of these, I would >>> appreciate knowing how. The part about shutting down the X server is >>> optional but would be nice but not allowing anyone to be logged in and >>> preventing system shut down is necessary. >>> >>> Bradley >>> >> My 0.02 cents. >> >> start by doing man on login, nologin, shutdown, killall etc... >> >> /etc/nologin -- prevents user logins >> >> shutdown -k Don't really shutdown; only send the warning messages >> to everybody. >> >> killall -u, --user >> Kill only processes the specified user owns. >> Command names are >> optional. >> >> ~af > Thanks for the input but, unfortunately, this doesn't give the results > that I need. > > I gave up and configured one of the run levels for doing the needed > tasks and have the system reboot into that run level where it does what > I need it to and then reboots the system back to the normal run level. > Not a pretty arrangement but it seems to work. While in the special run > level, it does not activate any unnecessary services (network, servers, > Xserver, etc.) and does not allow any user logins. This turned out to > be simpler and cleaner to set up than what I had previously considered. > > Bradley > Instead of rebooting, you could use telinit to change the run level. It will stop/start services as necessary to match the configuration for that run level. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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