e4rat – decreasing bootup time on HDD drives

This time I will describe how to set up e4rat in order to speed your Ubuntu’s boot time. Let’s begin with some motivation: my netbook used to boot-up in ~40 seconds. Using e4rat, it takes ~10-15 seconds. Impressive, isn’t it? Let’s see how does this trick work, and I’ll teach you how to enable it on your machine.

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