> I heard of that using emerge --sync frequently may hert my hard-disk, > so I don't have a try --sync quite often(maybe once a month), but how can > I know whether I really need a sync and upgrade my system if a new kernel > or glibc is realised? Is there a simple and quick method?
You could have a look at packages.gentoo.org from time to time, to see the recently updated packages and if you like one, you can emerge --sync. That's what I do to not sync, when there is no major upgrade. - Sascha
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