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ahhajlou/initramfs_archive_cpio

Last active June 7, 2025 18:04
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initramfs_archive_cpio
# Create initramfs without compression
# Run this command from within the rootfs directory; it will generate `initrd.cpio` in the parent directory.
find . | cpio -o -H newc >../initrd.cpio
# Create initramfs with gzip compression
# Run this command from within the rootfs directory; it will generate `initrd.cpio` in the parent directory.
find . | cpio -o -H newc | gzip >../initrd.gz
# Extract initramfs archive to current directory
cpio --extract --make-directories --format=newc --no-absolute-filenames < rootfs.cpio
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