Golang implementation of extract-vmlinux script.
This project was forked from https://github.com/Caesurus/extract-vmlinux-v2 and was completely reconstructed.
go install github.com/soxfmr/extract-vmlinux-v2@latest
extract-vmlinux-v2 -file /boot/vmlinuz -output /tmp/vmlinuxgo get github.com/soxfmr/extract-vmlinux-v2@latestdecompress the kernel image and hold in memory:
file, err := os.Open("/boot/vmlinuz")
if err != nil {
log.Fatalf("couldn't open the input file: %s", err)
}
kernel, err := vmlinux.Extract(file)
if err != nil {
log.Fatalf("couldn't extract the kernel image: %s", err)
}decompress the kernel image and save it to a file:
file, err := os.Open("/boot/vmlinuz")
if err != nil {
log.Fatalf("couldn't open the input file: %s", err)
}
tmpFile, err := os.CreateTemp("", "vmlinux")
if err := vmlinux.ExtractTo(kernelFile, tmpFile); err != nil {
log.Fatalf("couldn't extract the kernel image: %s", err)
}At the moment I have only found good native support for gzip/bzip/lzma/lz4/xz.
I haven't found good support for zstd/lzop.
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