Hi Terry, don't quote me on this, but from observation, upgrades of things like Linux Images always require a reboot. Also Firefox upgrades require a restart of Firefox. My guess is that Linux writes the new software to a temporary location and a script inserts it at reboot, OR Linux runs old versions in dynamic memory after the new ones are written to destination, then when restart does occur, the new ones are loaded from the locations. OR-I could be totally wrong. I'd also like to know how it's done. Simono On Mon, 2010-09-06 at 17:02 +0100, Terry Coles wrote: > Hi, > > I got into a conversation today at work about the need to reboot Windows > machines after installing, uninstalling or updating software. My colleague > said that he couldn't see how it could be done after I had said that the > newer > versions of Windows server do this. (A customer complained that some > software > that we had shipped needed two reboots to get it working in Windows Server > 2008.) To this I mentioned that Linux had been doing this for years, but > couldn't explain how. > > Can anyone point me at a 101 standard tutorial or reference page which > explains how running code gets overwritten in memory when Linux updates > packages? >
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