MTD 248-645A Bedienungsanleitung PDF herunterladen (Seite 36)

Linux From Scratch - Version 7.0

Note

Some host distributions use custom features in their filesystem creation tools (E2fsprogs). This can cause

problems when booting into your new LFS in Chapter 9, as those features will not be supported by the

LFS-installed E2fsprogs; you will get an error similar to “unsupported filesystem features, upgrade your

e2fsprogs”. To check if your host system uses custom enhancements, run the following command:

debugfs -R feature /dev/<xxx>

If the output contains features other than has_journal, ext_attr, resize_inode, dir_index,

filetype, sparse_super, large_file or needs_recovery, then your host system may have

custom enhancements. In that case, to avoid later problems, you should compile the stock E2fsprogs package

and use the resulting binaries to re-create the filesystem on your LFS partition:

cd /tmp

tar -xzvf /path/to/sources/e2fsprogs-1.41.14.tar.gz

cd e2fsprogs-1.41.14

mkdir -v build

cd build

../configure

make #note that we intentionally don't 'make install' here!

./misc/mke2fs -jv /dev/<xxx>

cd /tmp

rm -rfv e2fsprogs-1.41.14

If you are using an existing swap partition, there is no need to format it. If a new swap partition was created,

it will need to be initialized with this command:

mkswap /dev/<yyy>

Replace <yyy> with the name of the swap partition.

2.4. Mounting the New Partition

Now that a file system has been created, the partition needs to be made accessible. In order to do this, the partition

needs to be mounted at a chosen mount point. For the purposes of this book, it is assumed that the file system is

mounted under /mnt/lfs, but the directory choice is up to you.

Choose a mount point and assign it to the LFS environment variable by running:

export LFS=/mnt/lfs

Next, create the mount point and mount the LFS file system by running:

mkdir -pv $LFS

mount -v -t ext3 /dev/<xxx> $LFS

Replace <xxx> with the designation of the LFS partition.

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MTD 248-645A Bedienungsanleitung Seite 36