[Blackpool] Colin - minimal getty
DONALD SIMPSON
donaldsimpson208 at btinternet.com
Sun Jun 5 19:49:03 UTC 2011
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Hi,
Yesterday evening I tried creating the floppy disk following the instructions
here:
http://www.tldp.org/HOWTO/Bootdisk-HOWTO/buildroot.html
This section of the manual suggests that you need to create a temporary
filesystem to copy the files to.
4.2. Creating the filesystem
In order to build such a root filesystem, you need a spare device that is large
enough to hold all the files before compression. You will need a device capable
of holding about four megabytes. There are several choices:
Use a ramdisk (DEVICE = /dev/ram0). In this case, memory is used to simulate
a disk drive. The ramdisk must be large enough to hold a filesystem of the
appropriate size. If you use LILO, check your configuration file
(/etc/lilo.conf) for a line like RAMDISK = nnn which determines the maximum
RAM that can be allocated to a ramdisk. The default is 4096K, which should be
sufficient. You should probably not try to use such a ramdisk on a machine with
less than 8MB of RAM. Check to make sure you have a device like /dev/ram0,
/dev/ram or /dev/ramdisk. If not, create /dev/ram0 with mknod (major number 1,
minor 0).
If you have an unused hard disk partition that is large enough (several
megabytes), this is acceptable.
Use a loopback device, which allows a disk file to be treated as a device.
Using a loopback device you can create a three megabyte file on your hard disk
and build the filesystem on it.
This is so that you can compress it later and then copy it to a physical floppy
drive once all the files are in place.
The libc files that will be required will be too big to get on a floppy disk
without compression.
Donald.
On Sunday 05 June 2011 08:28:57 MJ Hewitt wrote:
> Hi Colin -
>
> there is a minimal getty, called mingetty that is about 10k compared to the
> almost 400k version you tried on Saturday.
>
> Mike
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