On Tue, 03 Mar 2015 17:12:44 +0530, Anurudh Tiwari said: > I have to remove my current kernel(which is going to be old kernel in next > reboot) after up-gradation because i don't want to get prompt to choose the > kernel at booting time.
Protip: You *really* want to keep at least one extra known-working kernel on your /boot just in case you find a bug in the one you installed. If you don't like getting prompted, set up grub or grub2 or whatever to boot a default kernel, with a timeout of 1 second or so, so that if you ignore it, it boots into your default kernel, but if things go sideways you can boot the old kernel. And remember - it doesn't have to be a *kernel* bug - if something decidess to rebuild your initrd/initramfs, and botches it, you're going to havea bad time at the next reboot. So you really want a known-bootable kernel/initrd pair or two on /boot just in case...
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