Linux Grub加密


1、设置明文密码 [root@ www.bkjia.com ~]# grep -v '^#' /etc/grub.conf default=0 timeout=5 password 123456  #GRUB启动密码   splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Red Hat Enterprise Linux Server (2.6.18-194.el5)          root (hd0,0)     password 123456  #启动操作系统密码          kernel /vmlinuz-2.6.18-194.el5 ro root=LABEL=/ rhgb quiet          initrd /initrd-2.6.18-194.el5.img [root@ www.bkjia.com ~]#   2、设置密文密码 [root@ www.bkjia.com ~]# grub-md5-crypt Password: Retype password: $1$Qh6pX0$F4erzOSNARZoGvYtErIpx/ [root@ www.bkjia.com ~]# grub-md5-crypt  //使用md5生成加密密钥 Password: Retype password: $1$Qh6pX0$F4erzOSNARZoGvYtErIpx/ [root@ www.bkjia.com ~]# vi /etc/grub.conf [root@ www.bkjia.com ~]# grep -v '^#' /etc/grub.conf default=0 timeout=5 password --md5 $1$Qh6pX0$F4erzOSNARZoGvYtErIpx/ #加上—md5的参数表示使用md5加密grub splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title Red Hat Enterprise Linux Server (2.6.18-194.el5)          root (hd0,0)         password 123456          kernel /vmlinuz-2.6.18-194.el5 ro root=LABEL=/ rhgb quiet          initrd /initrd-2.6.18-194.el5.img

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