From: rjones <rjones>
Date: Thu, 19 Mar 2009 19:27:25 +0000 (+0000)
Subject: Added examples directory.
X-Git-Tag: 1.5~37
X-Git-Url: http://git.annexia.org/?a=commitdiff_plain;h=9a2ace44755434b1bec8b187f0d919fc4c374583;p=febootstrap.git

Added examples directory.
Added minimal-filesystem example.
---

diff --git a/examples/.cvsignore b/examples/.cvsignore
new file mode 100644
index 0000000..d9e4201
--- /dev/null
+++ b/examples/.cvsignore
@@ -0,0 +1,4 @@
+minimal
+minimal-initrd.img
+vmlinuz
+zero
\ No newline at end of file
diff --git a/examples/README b/examples/README
new file mode 100644
index 0000000..9660c0c
--- /dev/null
+++ b/examples/README
@@ -0,0 +1,4 @@
+You should read and edit these scripts before running them!
+
+You don't need to be root, in fact, you *shouldn't* be root
+when running these scripts!
diff --git a/examples/minimal-filesystem.sh b/examples/minimal-filesystem.sh
new file mode 100755
index 0000000..74a4c2c
--- /dev/null
+++ b/examples/minimal-filesystem.sh
@@ -0,0 +1,44 @@
+#!/bin/sh -
+
+# Before running, make sure 'vmlinuz' in this examples directory is a
+# bootable Linux kernel or a symlink to one.  You can just use any
+# kernel out of the /boot directory for this.
+#
+# eg:
+# cd examples
+# ln -s /boot/vmlinuz-NNN vmlinuz
+
+# This creates a very minimal filesystem, just containing bash and a
+# few command line utilities.  One of the joys of Fedora is that even
+# this minimal install is still 200 MB ...
+
+../febootstrap -i bash -i coreutils fedora-10 ./minimal
+
+# Create the /init which is just a simple script to give users an
+# interactive shell.
+
+( cd minimal && cat > init <<'__EOF__'
+#!/bin/sh
+echo; echo; echo
+echo "Welcome to the minimal filesystem example"
+echo; echo; echo
+/bin/bash -i
+__EOF__
+chmod +x init
+)
+
+# Convert the filesystem to an initrd image.
+
+../febootstrap-to-initramfs ./minimal > minimal-initrd.img
+
+# This is needed because of crappiness with qemu.
+
+rm -f zero
+dd if=/dev/zero of=zero bs=2048 count=1
+
+# Now run qemu to boot this minimal system.
+
+qemu-system-$(arch) \
+  -m 1024 \
+  -kernel vmlinuz -initrd minimal-initrd.img \
+  -hda zero -boot c