Linux Grub startup Password verification settings

1. Understanding Startup configuration Options

[[email protected] ~]# cat/boot/grub/grub.conf # grub.conf generated by anaconda##  Grub after making changes to this file# notice:you has a/boot partition. This means that# all kernel and initrd paths is relative to/boot/, eg.# root (hd0,0) # kernel /vmlinuz-version ro root=/dev/sda2# initrd/initrd-version.img#boot=/dev/sdadefault=0timeout=5Password--md5 $1$pfddv1$3x/xnizeysusf7fl9buuj/Splashimage= (hd0,0)/grub/splash.xpm.gzhiddenmenutitle Red Hat Enterprise Linux Server (2.6.18-308.el5) root (hd0,0) Kernel/vmlinuz-2.6.18-308.el5 ro root=label=/rhgb quiet initrd/initrd-2.6.18-308.el5.img title Red Hat E nterprise Linux Server (2.6.18-308.el5) root (hd0,0) kernel/vmlinuz-2.6.18-308.el5 ro root=label=/rhgb qui ET initrd/initrd-2.6.18-308.el5.img    Password--md5 $1$pfddv1$3x/xnizeysusf7fl9buuj/Add password to the startup item, followed by a MD5 encrypted value (such as the red Flag), and the red part of the input method: esc+:---grub-md5-crypt--and blind knocking the first password (e.g. Redhat)-- Blind knocks the second password (such as: Redhat), will not be necessary to delete, save. When the blue section is logged in to multiple systems, password authentication is logged in. Press p, enter the password before entering the system to install the blue encryption part of the system login to bring the login password authentication requirements (strongly do not recommend this setting, to the system remote restart directly block, follow-up trouble you know! ）

Linux Grub startup Password verification settings