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31May/100

How to speed up the boot time in Ubuntu by profiling the boot process

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There is way to improve the speed of boot process in Ubuntu Linux by profiling your boot. Profiling lets Ubuntu make a list of all the files that are accessed during bootup, it then sorts the files according to how they are stored on your hard-disk. So the next time the system is booted, the files would be read faster.

To profile boot you need to follow these steps:

  • At the grub menu highlight the kernel
  • Press e for edit
  • Choose the line starting with kernel and press e again. Now add the word profile to the end of this line. Hit Enter and then press b to boot

NOTE: The system will boot slower this one time, the next time however you should see an improvement. Also keep in mind that all this is machine-dependent and also depends on the arrangement of files on your hard-disk, so the difference you see might not be huge, or even nil in some cases.

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