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How to restart only the graphical side of OS X
This is silly. If the graphical side of the OS needs to be relaunched then a logout will suffice. The windowserver dies, and relaunches on logout. And your applications get quit cleanly.
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This can be helpful if the GUI is locked up. How do you intend to logout when the keyboard and mouse don't respond?
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When my GUI has died but I can still SSH in, I _want_ to reboot the whole system so I know there's no gremlins lurking. For this I use sudo reboot.
Not quite.
Logging out does not kill WindowServer. That's why logging out isn't sufficient to make the "non-transparent menu bar" hint work; WindowServer lives on. (This is easy to see in Leopard's Activity Monitor when viewing all processes hierarchically: the system-wide occurrence of launchd owns windowserver, as well as one more instance of launchd for each logged-in user.) That's why we said this in MDJ/MWJ 2007.12.03, because we hadn't seen anyone else point this out.
Not quite.
Maye it is true in leopard, which I do not have yet, that the windowserver lives on as a process on logout. On previous systems the logout relaunches windowserver ( with no other users logged in, of course). In which case mark this as a leopard fix. In the older systems the relaunch of the loginwindow *also* causes the windowserver to relaunch. The paradigm is : logout cleanly ( handled by loginwindow), loginwindow quits, windowserver sees the loginwindow go down, windowserver quits, launchd( or init in previous systems) relaunches loginwindow which tickles the windowserver to relaunch. Fairly clean. Similarly the loginwinodow will exit cleanly ( unlike other applications) when the windowserver dies. |
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