能不能在REDHEAD8下升级安装REDHEAD9?
能不能在REDHEAD8下升级安装REDHEAD9?我不想再重新安装了,因为在R8下已经安装了不少程序! Upgrading Red Hat Linux 6.2 (or greater) will not delete any existing data. The installation program updates the modular kernel and all currently installed software packages.! but u had better backup u data first.
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