append to a line

Stuart Sears stuart at
Fri Feb 15 21:48:52 UTC 2008

Tom Brown wrote:
>>> I need to append some options to the kernel line in grub.conf and i
>>> wonder can anyone tell me the tool i can use to stick 'some stuff' on
>>> the end of a line?
>>> thanks
>> vi is my favorite tool for this. (#vi /boot/grub/grub.conf)
> ah yes - sorry should have said this needs to be scriptable!

how many machines do you want to do this to?
/me prefers sed for this, but there are any number of options

sed -i.backup 's,kernel.*$,& arg1 arg2 arg3,' /boot/grub/grub.conf


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