Installation troubles

[evilnone]

I just installed gentoo using the Command line installer off the live cd and i am pretty sure it errored out in the middle somewhere... thing is i removed the cd and booted up and everything seems to be working... i have one problem i was going to download new nvidia drivers and i get this error at the end of the emerge...

[freelight]

Something's wrong with the kernel configuration. As root, do the following (and post the output here):

[Nick C]

as the above poster said, check your /usr/src/linux symlink, it *should* be pointing to the kernel source for the currently running kernel so if you have recently tried downloading a new kernel but havnt configured it, thats probably why.

If you need to change the symlink (or if it doesnt exist)

Remove old symlink - rm /usr/src/linux
Create new one - ln -s /usr/src/path_to_running_kernel /usr/src/linux

That *should* fix things and allow portage to find the .config file for your running kernel.
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[evilnone]

uname -a displays...

[Nick C]

do an ls -a /usr/src/linux and actually check the the .config file is there.
If not there try looking inside /boot as make install will put a copy there, or if you used genkernel look in /etc/kernels. Once you find it just copy it back to /usr/src/linux and rename it .config
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[evilnone]

i cant find the config file anywhere... i checked all those places and nothing is there....

EDIT: i get this when i do an emerge --pretend system

[Nick C]

did you check see if /boot was mounted? By default /etc/fstab doesnt automatically mount boot (remove the noauto option to change this), the amount of times ive spent ages wondering why my new kernel doesnt load only to find i forgot to mount /boot before installing it
If its still not there then im afraid youve got to go back and reconfigure your kernel. Or you could try the hackish fix of running make allyesconfig from inside /usr/src/linux.
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[evilnone]

ty for helping me im not sure of what i need to do though... i mean can u give me the noobish version? (ie commands to do some fo the stuff you are saying?) I do appreciate all the help with this, but again I am new to linux and am not sure what to do. I am however fully committed to learning since I have completely removed vista (garbage). thanks in advance!


EDIT: doing a random "mount" in terminal resulted in this...

[freelight]

[Nick C]

ok, im assuming your booting normally now (ie, not using a livecd to chroot)?
If thats the case then you should have edited /etc/fstab and told it where your partitions are.
Open it up using nano:
nano /etc/fstab

In it you should see various entries for your partitions, the first one being /boot, if you look along the line there is a bit where options can be passed to the mount command, if you see a noauto option set for your /boot partition then you need to either always remember to do a mount /boot anytime you want to edit anything in /boot (including installing a new kernel) or remove the noauto entry.
Exit nano (ctrl-x) and if the noauto option was there run mount /boot.
This should give you access to /boot, do an ls -a /boot and see if any .config files are there.
If you see one then bingo, problem solved, just do a cp /boot/.config /usr/src/linux/.config to move a copy back to your kernel src directory and carry on emerging.

If you still cant see any .config files (make sure you use ls -a as any file that has a . at the start is hidden by default, the -a switch shows all files, including hidden ones) then your going to have to reconfigure your kernel so you can generate a .config file to use.
You have 3 options here:
1) cd /usr/src/linux and run make allyesconfig - this will just create a basic .config where every option has been selected automatically, not an ideal solution as there may be conflicting options if you ever tried to compile your kernel with this config, but it might work for what you want.

2) Configure your kernel by hand - cd /usr/src/linux and run make menuconfig, you will need to know what you want to enable in terms of hardware support and other options, is a good learning experience but trying to compile the kernel and use it (if you want to try) may result in non-booting

3) Configure your kernel with genkernel - a handy gentoo program that can build a kernel that should work and it saves a .config file to /etc/kernels. It might be more bloated than configuring by hand, but will be better than using a make allyesconfig kernel.

Anyway, configuring your kernel can be a tricky business, but is a great learning experience, and once you start to understand options you can find yourself with a much more responsive machine. Whatever you decide, take a look at http://www.gentoo-wiki.com as there are some half decent guides explaining how to configure kernels both by hand and with genkernel.

Hopefully some of this made sense and helps
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[d2_racing]

Yeah, but use instead this howto : https://forums.gentoo.org/viewtopic-t-539024.html

[nixnut]

Moved from Installing Gentoo to Kernel & Hardware.
kernel related, so moved here.
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