原系统:Centos7.5
32位:
wget -O ikuai.iso https://www.ikuai8.com/download.php?n=/3.x/iso/iKuai8_x32_3.3.3_Build202002040918.iso
64位:
wget -O ikuai.iso https://www.ikuai8.com/download.php?n=/3.x/iso/iKuai8_x64_3.3.3_Build202002040918.iso
从console打开窗口,重启机器一直按C
loopback loop /root/ikuai.iso #wget下载所在目录
linux (loop)/boot/vmlinuz bootguide=cd
initrd (loop)/boot/rootfs
boot