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Re: [gNewSense-users] accidental loss of fstab settings through attempte

From: Karl Goetz
Subject: Re: [gNewSense-users] accidental loss of fstab settings through attempted live usb install
Date: Sun, 7 Mar 2010 10:09:51 +1030

On Sat, 6 Mar 2010 12:22:07 -0700
Adrian van Egmond <address@hidden> wrote:

> I have been trying to install Sugar liveusb onto a usb using gnewsense
> (goal: without the help of windows)
> ADATA usb was formated with one partition ext2 from vfat (4gb) using
> gpart when going to install ISO onto usb
> Blueberry package PASS but then no success with syslinux with running
> script couldnt figure out how to start syslinux but the noticed i no
> permissions to write on usb
> so worked on that, couldnt find root command to give write permissions
> the accidently wiped-out my fstab using chmod 666 command on /dev and
> /media.
> caboom!


> my goal was to install a Sugar onto usb using gsense
> my new one is to take measures to restore fstab settings

This is the format of the file:

# /etc/fstab: static file system information.
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
/dev/sda1       /               ext3    errors=remount-ro 0       1
/dev/sda3       /home           ext3    defaults        0       2
/dev/sda2       none            swap    sw              0       0
/dev/scd0       /media/cdrom0   udf,iso9660 user,noauto     0       0

Here is how you find out what partitions you have:
$ sudo fdisk -l
[sudo] password for kgoetz: 

Disk /dev/sda: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000b8484

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1        1824    14651248+  83  Linux
/dev/sda2            1825        2432     4883760   82  Linux
swap /Solaris
/dev/sda3            2433       24321   175823392+  83  Linux

Here$ mounts how you find out what partitions are used for:
$ mount
( look for lines like /dev/sdx)
/dev/sda1 on / type ext3 (rw,errors=remount-ro)
/dev/sda3 on /home type ext3 (rw)

then use this knowledge to rebuild the fstab in the format above :)

> without re-installation or switching to debian 6

Debian 6 won't exist for a while yet ...

> advice for a newbie is most appreciated
> -------------------------
> a,

Karl Goetz, (Kamping_Kaiser / VK5FOSS)
Debian contributor / gNewSense Maintainer
No, I won't join your social networking group

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