Problem with Grub for other distro, set time and date

987my · #1 18th August 2010, 06:58 AM

Hello, I'm totally new to fedora but not Linux (uses Ubuntu). Here's my problem after installing:

I've just installed Fedora 13 on my computer for the very first time which before this has Ubuntu 10.04 and Windows XP already installed. I installed the fedora 13 boot loader during the installation and I noticed that it replaced the Ubuntu version. It works fine for Fedora and Windows but not for Ubuntu. Ubuntu is not listed in the boot menu. I try to run update-grub, but there's no such command! What is the command to do the same job as update-grub in F13?
During the installation I did not choose get time and date from network. Now I had to manually change the time and date to fit my current location. Is there any way I can change my settings so that the time follows time and date on some server or something?

Thanks in advance.

***glennzo*** · #2 18th August 2010, 10:18 AM

For the system time you can use the ntpd service. Open a terminal and type

Code:

su -c 'chkconfig --level 35 ntpd on'
su -c 'service ntpd start'

Or use the services gui found under System > Administration > Services

For the grub question, personally I would just reinstall Ubuntu's bootloader and use sudo update-grub from within Ubuntu. Might be the best option if you intend to continue using Ubuntu along side Fedora.

987my · #3 18th August 2010, 11:59 AM

Quote:

Originally Posted by glennzo

For the system time you can use the ntpd service. Open a terminal and type

Code:

su -c 'chkconfig --level 35 ntpd on'
su -c 'service ntpd start'

Or use the services gui found under System > Administration > Services

For the grub question, personally I would just reinstall Ubuntu's bootloader and use sudo update-grub from within Ubuntu. Might be the best option if you intend to continue using Ubuntu along side Fedora.

Thank you, that solves the problem.

About the grub, I initially can't login to Ubuntu since it's not listed in the grub menu. After some research, I found that Fedora13 uses grub not grub-pc and it uses the grub.conf file. So I editted that file and add Ubuntu to the grub menu and solved that problem.

Thanks again!

***glennzo*** · #4 18th August 2010, 01:19 PM

Glad that all worked for you. I learned something here too. I wasn't aware that you could successfully boot Ubuntu using Fedora's grub.

smr54 · #5 18th August 2010, 01:42 PM

You can--I remember Bob and I having a discussion about it, wasn't working for me, worked for him.

What I've found is that Ubuntu puts a symlink to their vmlinuz and init files in /. So you can bypass its grub by doing, after specifying the partition

kernel=vmlinuz
initrd=initrd.img

WIthout pointing to its grub. (I might be wrong on the path, the symlinks might be /boot/vmlinuz and /boot/initrd.img.

On the other hand, when Bob and I had this discussion, some time ago, for him, the usual chainloader +1 worked perfectly--might have been a typo on my part, it was awhile ago.