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Guidster
n00b
Joined: 19 Mar 2008
Posts: 3
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 Posted: Wed Mar 19, 2008 2:50 pm Post subject: Chroot |
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During install using the guidebook of Gentoo x86 the computer shutdown during emerge of syslog-ng. I was able to restart the system with bootup from the CD to the system prompt. I am however unable to return to CHROOT when as when I enter "chroot /mnt/gentoo /bin/bash" I get a "invalid command error".
Could someone tell me how to return CHROOT?
Also, if I were to plan on installing GNOME should I emerge before configuring the bootloader or after?
I apologize for what I would guess are easy questions but I am very new to this. |
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NathanZachary
Moderator
Joined: 30 Jan 2007
Posts: 2605
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| Posted: Wed Mar 19, 2008 3:06 pm Post subject: |
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To re-chroot, you need to boot up the live disc, and follow these commands:
| Code: |
mount -t FSTYPE /dev/ROOT /mnt/gentoo
mount -t FSTYPE /dev/BOOT /mnt/gentoo/boot
swapon /dev/SWAP
mount -t proc /proc /mnt/gentoo/proc
mount -o bind /dev /mnt/gentoo/dev
chroot /mnt/gentoo /bin/bash
env-update && source /etc/profile
export PS1="(chroot) $PS1"
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You replace the items in CAPS with your actual information. Therefore, FSTYPE would be either ext2, ext3, et cetera based on your system, and BOOT & ROOT would be /dev/whatever_partition.
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hitachi
Guru
Joined: 20 Feb 2006
Posts: 478
Location: Freiburg / Deutschland
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| Posted: Thu Mar 20, 2008 9:29 pm Post subject: |
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don't forget to creat /mnt and /mnt/gentoo first.
| Code: | mkdir /mnt
mkdir /mnt/gentoo |
Normaly you would want to have a running system first. Then you install gnome and other software second. |
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d2_racing
Bodhisattva
Joined: 25 Apr 2005
Posts: 13047
Location: Ste-Foy,Canada
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| Posted: Fri Mar 21, 2008 1:51 am Post subject: |
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Yeah, because this directory will be present only with a Gentoo minimal CD, LiveCD and SystemRescueCD.
If you don't want to mess up your /boot partition if it is separated, you can mount your /boot only when you have chrooted your box.
And when you are finish, you can even run this command :
The sync command with write all the changes on your HDD, so you don't need to umount all your partitions. |
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golding
Apprentice
Joined: 07 Jun 2005
Posts: 232
Location: Adelaide / South Australia
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| Posted: Mon Mar 24, 2008 4:16 pm Post subject: Re: Chroot |
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| Guidster wrote: | During install using the guidebook of Gentoo x86 the computer shutdown during emerge of syslog-ng. I was able to restart the system with bootup from the CD to the system prompt. I am however unable to return to CHROOT when as when I enter "chroot /mnt/gentoo /bin/bash" I get a "invalid command error".
Could someone tell me how to return CHROOT?
Also, if I were to plan on installing GNOME should I emerge before configuring the bootloader or after?
I apologize for what I would guess are easy questions but I am very new to this. |
If you had done a search you would have found this little item (note the search terms after 'highlight')
https://forums.gentoo.org/viewtopic-t-564785-highlight-chroot+bin+bash+exec+format+error.html
Which basically says "Make sure your minimal boot CD is the same as the environment you are trying to chroot into, i.e AMD64 cd for AMD64 install, etc
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Installing Gentoo
