更新Ubuntu的内核时，执行make menuconfig出现如下错误：
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*** Unable to findthe ncurses libraries or the
*** required headerfiles.
*** ‘make menuconfig’ requires the ncurses libraries.
***
*** Install ncurses(ncurses-devel) and try again.
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解决办法：
执行如下命令：
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sudo apt-get install ncurses-dev
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