We will need to have a read-write filesystem in order for some of the commands to work. The kernel's normal behavior is to mount root as read-only, but we can change this using a kernel option. By passing the kernel the rw option before init=/bin/sh we will get a read-write root filesystem.
Follow these steps to get the system running.
Boot the PC from using the GRUB boot disk.
At the grub> prompt, type kernel (fd0)/boot/vmlinuz rw init=/bin/sh root=/dev/fd0 load_ramdisk=1 prompt_ramdisk=1.
Verify that you remembered to add the rw parameter and press Enter.
Type boot and press Enter.
Insert the recently created root disk when prompted.
The terminal display should look similar to the example below.
GNU GRUB version 0.95 grub> kernel (fd0)/boot/vmlinuz rw init=/bin/sh root=/dev/fd0 load_ramdisk=1 prompt_ramdisk=1 [Linux-bzImage, setup=0xc00, size=0xce29b] grub> boot Linux version 2.4.26 .. .. [various kernel messages] .. VFS: Insert root floppy disk to be loaded into RAM disk and press ENTER RAMDISK: Compressed image found at block 0 VFS: Mounted root (ext2 filesystem) read-write. Freeing unused kernel memory: 178k freed # _
Now that the system is up and running, try using some of the new commands.
bash# uname -a bash# ls /etc bash# echo "PocketLinux" > /etc/hostname bash# hostname $(cat /etc/hostname) bash# uname -n bash# mkdir /home/stuff bash# cd /home/stuff
If everything goes well the commands like cat, ls and hostname should work now. Even mkdir should work since the root filesystem is mounted read-write. Of course since we are using a ramdisk, any changes will be lost once the PC is reset.
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Generated: 2007-01-26 17:57:29