How to remove information from GRUB

[ADPdirty]

I am trying to figure out how to remove some of the files from /boot (where grub was installed) so that it wont show me that many OS's to chose from.
For 1 i want to remove any trace of windows and 2 duplicated Ubuntu's that were left over because i did not chose to format my HDD prior installation last time.
The attached image shows the list of all OS's that i have to chose from when booting up. I could reduce the loading time but what i really want is to make it boot to 1 instead of giving me a chose. (boot to default OS)


Thank you guys for any helpful info i might get.

[ethos]

could check this out http://chameleon.osx86.hu/file_download/39/Chameleon-2.0-RC4-r684-bin.tar.gz&that might work for you there is always easy bcd and acronis boot loader of course. i like LILO, if you ever used VL or pclos both distros have used lilo and there are a ton of man pages for it . Everything is grub lately but grub 2 will do you better for graphics and customization. if all you want is one line or just an automatic boot easy bcd or acronis boot loader will be easiest for you to implement

[JOHNNYG]

Ubuntu Tweak and Ailurus have clean options to clean old Kernels and more!
Also try this boot into your newest kernel and run these commands from terminal!

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wget Http://www.opendesktop.org/CONTENT/content-files/71529-ubucleaner.sh

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sudo chmod +x 71529-ubucleaner.sh

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sudo ./71529-ubucleaner.sh

[ADPdirty]

still have 7 OS's on the list when booting up
I have 64bit version maybe code needs change ?

[dougal]

If it was me I would load gParted and delete/format the partitions with the operating systems you don't want and run sudo update-grub. I haven't tried this myself but, my understanding of 'update-grub' is that it looks for operating systems and if it doesn't find them it won't show them.
What do you have to lose? It is simple and quick to try.

[onosendai58]

Use Gparted to delete/format partitions. Use Ubuntu Tweak to remove all other kernels. Open terminal, run "sudo update-grub." Problem solved. And no, it ISN`T "the code." Close this thread if solved.

[Time]

I am trying to figure out how to remove some of the files from /boot (where grub was installed) so that it wont show me that many OS's to chose from.
For 1 i want to remove any trace of windows and 2 duplicated Ubuntu's that were left over because i did not chose to format my HDD prior installation last time.
The attached image shows the list of all OS's that i have to chose from when booting up. I could reduce the loading time but what i really want is to make it boot to 1 instead of giving me a chose. (boot to default OS)


Thank you guys for any helpful info i might get.

Bootloader.jpg

You could go to startup-manager and with this you can set the boot timer to 0 and set the default OS. This way you don't see grub

hope this helps