• to be continued…

PART I

unpack

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gunzip initrd.cpio.gz
allinone.sh new
#修改启动脚本

run.sh

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#! /bin/sh

# Note: -serial mon:stdio is here for convenience purposes.
# Remotely the chal is run with -serial stdio.

qemu-system-x86_64 \
  -no-reboot \
  -cpu max \
  -net none \
  -serial mon:stdio \
  -display none \
  -monitor none \
  -vga none \
  -kernel bzImage \
  -initrd initrd.cpio.gz \
  -append "console=ttyS0" \

runable

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#! /bin/sh

# Note: -serial mon:stdio is here for convenience purposes.
# Remotely the chal is run with -serial stdio.

qemu-system-x86_64 \
  -no-reboot \
  -cpu max \
  -net none \
  -serial mon:stdio \
  -display none \
  -monitor none \
  -vga none \
  -kernel bzImage \
  -initrd initrd.cpio \
  -append "console=ttyS0 quiet loglevel=0 panic=-1" \
  -s \
  • loglevel=0用于彻底屏蔽日志信息，比quiet威力更大
    • loglevel=1和quiet效果相似
  • panic=0和panic=-1
    • panic=0表示panic时不重启，打印trace信息
    • panic=-1表示panic时直接退出，不打印trace信息