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Enabling SSH (and static password) at boot in a Finnix ISO for remote boot
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| FINNIX_VERSION ?= 108 | |
| FINNIX_URL ?= http://www.finnix.org/releases/$(FINNIX_VERSION)/finnix-$(FINNIX_VERSION).iso | |
| FINNIX_ISO = src/finnix-$(FINNIX_VERSION).iso | |
| SSH_ISO ?= finnix-$(FINNIX_VERSION)-ssh.iso | |
| SSH_PASSWORD ?= applypasswordhereplease | |
| BOOT_KERNEL ?= boot/x86/linux | |
| BOOT_INITRD ?= boot/x86/initrd.xz | |
| BOOT_VGA ?= normal | |
| BOOT_OPTS ?= | |
| BOOT_CMDLINE += initrd=$(BOOT_INITRD) | |
| BOOT_CMDLINE += vga=$(BOOT_VGA) | |
| BOOT_CMDLINE += sshd | |
| BOOT_CMDLINE += sshd_password=$(SSH_PASSWORD) | |
| BOOT_CMDLINE += $(BOOT_OPTS) | |
| $(SSH_ISO): iso | |
| mkisofs \ | |
| -o $(SSH_ISO) \ | |
| -b isolinux.bin \ | |
| -c boot/x86/boot.cat \ | |
| -no-emul-boot \ | |
| -boot-load-size 4 \ | |
| -boot-info-table \ | |
| iso | |
| iso: $(FINNIX_ISO) | |
| mkdir -p iso | |
| 7z x -y -oiso $(FINNIX_ISO) | |
| rm -rf 'iso/[BOOT]' | |
| printf "DEFAULT linux\nLABEL linux\nKERNEL $(BOOT_KERNEL)\nAPPEND $(BOOT_CMDLINE)\n" >iso/isolinux.cfg | |
| $(FINNIX_ISO): | |
| mkdir -p src | |
| wget -o $@ $(FINNIX_URL) | |
| clean: | |
| rm -rf iso isolinux.cfg |
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Note: Finnix will cheerfully print your password on your console at boot, and the server key is generated at boot time, so you won't have a fingerprint to trust. I used this to bypass a hardware vendor's terribad PXEBOOT by using their virtual ISO functionality.