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author | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-07 09:16:35 -0400 |
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committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-07 09:16:35 -0400 |
commit | ad73c67e792c752ddc99f2b0587abae05255dd6d (patch) | |
tree | e33d5d37a8c56b6fad753fa2d481f43cfb60ae1d /Documentation/initrd.txt | |
parent | 08eac93a689ca05c7b7413f6d362c7d38b5fd5b1 (diff) | |
parent | 9f737633e6ee54fc174282d49b2559bd2208391d (diff) | |
download | talos-op-linux-ad73c67e792c752ddc99f2b0587abae05255dd6d.tar.gz talos-op-linux-ad73c67e792c752ddc99f2b0587abae05255dd6d.zip |
Merge branch 'master'
Diffstat (limited to 'Documentation/initrd.txt')
-rw-r--r-- | Documentation/initrd.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/initrd.txt b/Documentation/initrd.txt index b1b6440237a6..15f1b35deb34 100644 --- a/Documentation/initrd.txt +++ b/Documentation/initrd.txt @@ -72,6 +72,22 @@ initrd adds the following new options: initrd is mounted as root, and the normal boot procedure is followed, with the RAM disk still mounted as root. +Compressed cpio images +---------------------- + +Recent kernels have support for populating a ramdisk from a compressed cpio +archive, on such systems, the creation of a ramdisk image doesn't need to +involve special block devices or loopbacks, you merely create a directory on +disk with the desired initrd content, cd to that directory, and run (as an +example): + +find . | cpio --quiet -c -o | gzip -9 -n > /boot/imagefile.img + +Examining the contents of an existing image file is just as simple: + +mkdir /tmp/imagefile +cd /tmp/imagefile +gzip -cd /boot/imagefile.img | cpio -imd --quiet Installation ------------ |