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<p> 俗话说:天有不测风云,人有旦夕祸福。</p><p> 作为一个Linux系统管理员,你可能会把Linux 超级用户密码遗忘了,把/etc/inittab或/etc/rc.d/rc.sysinit之类文件误编辑,导致系统不能正常启动的恼人错误?</p><!--Element not supported - Type: 8 Name: #comment--><table cellspacing="0" cellpadding="0" align="left" border="0"><tbody><tr><td><div id=" ublicRelation5" name=" ublicRelation"></div></td></tr></tbody></table><!--Element not supported - Type: 8 Name: #comment--><p> 而为了解决以上问题,你就需要进到linux根文件系统处于可读写状态的单用户模式下。</p><p> 下面介绍在GRUB引导下进入Linux单用户模式的三种方式:</p><p> (1) 硬件环境:</p><p> intel P4 / 1G RAM / sata 80G</p><p> (2) 软件环境:</p><p> 1)Fedora Core 3(以下简称为FC3)和Windows2000 advance server双系统</p><p> 2)LVM管理Linux分区</p><p> 3)/boot/grub/grub.conf文件内容:</p><p> # grub.conf generated by anaconda<br/> #<br/> # Note that you do not have to rerun grub after making changes to this file<br/> # NOTICE: You have a /boot partition. This means that<br/> # all kernel and initrd paths are relative to /boot/, eg.<br/> # root (hd0,2)<br/> # kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00<br/> # initrd /initrd-version.img<br/> #boot=/dev/sda<br/> default=1<br/> timeout=1000<br/> splashimage=(hd0,2)/grub/splash.xpm.gz<br/> hiddenmenu<br/> title Fedora Core (2.6.9-1.667)<br/> root (hd0,2)<br/> kernel /vmlinuz-2.6.9-1.667 ro root=/dev/VolGroup00/LogVol00 rhgb quiet<br/> initrd /initrd-2.6.9-1.667.img<br/> title windows 2000 adv<br/> rootnoverify (hd0,0)<br/> chainloader +1</p><p> 首先,启动电脑,屏幕出现如下提示:</p><p> Press any key to enter the menu<br/> Booting windows 2000 adv in 999 seconds…</p><p> 按任一键跳过计时,进入下一步:</p><p> GNU GRUB version 0.95 (639K lower/103924K upper memory)<br/> Fedora Core (2.6.9-1.667)<br/> Windows 2000 adv</p><p> 下面是GRUB的提示:</p><p> ‘e’ 在booting前编辑启动命令行</p><p> ‘a’ 在booting前编辑kernel的参数</p><p> ‘c’进入grub命令行</p> |
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