centos开机进度条替换详细信息

CentOS7.x查看配置文件：快捷键Shift+F2

sed -i 's/rhgb quiet//g' /boot/grub2/grub.cfg

删除rhgb quiet

#vim  /boot/grub2/grub.cfg
 linux16 /vmlinuz-3.10.0-514.el7.x86_64 root=/dev/mapper/cl-root ro crashkernel=auto rd.lvm.lv=cl/root rd.lvm.lv=cl/swap rhgb quiet LANG=en_US.UTF-8
 linux16 /vmlinuz-0-rescue-d3f7c9792f7c1d930a40afdba2cd28da root=/dev/mapper/cl-root ro crashkernel=auto rd.lvm.lv=cl/root rd.lvm.lv=cl/swap rhgb quiet