ConohaのVPSで、シングルモードで起動する時に苦労したのでメモ

console=tty0 console=ttyS0,115200n8 → single

	kernel /vmlinuz-2.6.32-642.6.1.el6.x86_64 ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16 crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=jp106 rd_LVM_LV=VolGroup/lv_root rd_NO_DM rhgb quiet console=tty0 console=ttyS0,115200n8
	initrd /initramfs-2.6.32-642.6.1.el6.x86_64.img

↓

	kernel /vmlinuz-2.6.32-642.6.1.el6.x86_64 ro root=/dev/mapper/VolGroup-lv_root rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD rd_LVM_LV=VolGroup/lv_swap SYSFONT=latarcyrheb-sun16 crashkernel=auto  KEYBOARDTYPE=pc KEYTABLE=jp106 rd_LVM_LV=VolGroup/lv_root rd_NO_DM rhgb quiet single
	initrd /initramfs-2.6.32-642.6.1.el6.x86_64.img

ro crashkernel=auto rhgb quiet net.ifnames=0 console=tty0 console=ttyS0,115200n8r → rw init=/bin/sh

	linux16 /boot/vmlinuz-3.10.0-693.2.2.el7.x86_64 root=UUID=06a4f571-f4f2-49a6-ba13-e249701956f0 ro crashkernel=auto rhgb quiet net.ifnames=0 console=tty0 console=ttyS0,115200n8r 
	initrd16 /boot/initramfs-3.10.0-693.2.2.el7.x86_64.img

↓

	linux16 /boot/vmlinuz-3.10.0-693.2.2.el7.x86_64 root=UUID=06a4f571-f4f2-49a6-ba13-e249701956f0 rw init=/bin/sh
	initrd16 /boot/initramfs-3.10.0-693.2.2.el7.x86_64.img