通过 sysresccd LiveCD 重置Linux系统 root 用户密码|云服务器 ECS - 开发者论坛

随雨而来的泪

<div class="f14 mb10" id="read_tpc">
<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=环境',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_2">环境</span>：CentOS 6，SystemRescueCd<span style="display:none"> |n]^gTJt </span>&nbsp;<br /> <span style="display:none"> hXYVi6(k </span>&nbsp;<br />过程：<span style="display:none"> b$g."> </span>&nbsp;<br /> <span style="display:none"> &
yw-y4        = </span>&nbsp;<br />1.fdisk -l # 在 sysresccd 里先看<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=磁盘',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_3">磁盘</span>分区情况，如本例，判断原CentOS 6 主要文件在 /dev/sda3<span style="display:none"> A7ck-9dT/L </span>&nbsp;<br /><span id="att_145138" class="f12"><span id="td_att145138" onmouSEOver="read.open('menu_att145138','td_att145138');" style="display:inline-block;"><img src="http://bbs.aliyun.com/attachment/Fid_207/207_1477160476054779_fc1b39029b078f4.png?19" border="0" style="max-width:995px;" onload="if(this.offsetWidth>'995')this.width='995';"></span><div id="menu_att145138" class="pw_menu" style="display:none;"><div style="border:1px solid #ffffff;background:#f3f9fb;padding:5px 10px;"><p><span class="mr10">图片:reset-password-1.png</span></p></div></div></span><span style="display:none"> tjYe82 </span>&nbsp;<br /> <span style="display:none"> e?F        r/n </span>&nbsp;<br />2.mount /dev/sda3 /mnt/custom # 将CentOS 6文件挂载到当前的 /mnt/custom<span style="display:none"> K@W~ </span>&nbsp;<br /> <span style="display:none"> ?ILNp`k </span>&nbsp;<br />3.chroot /mnt/custom # chroot 到 /mnt/custom<span style="display:none"> +}z
T][9w </span>&nbsp;<br /> <span style="display:none"> &lt;:/V`b3a </span>&nbsp;<br />4.passwd # 更换root 用户<span onclick="sendmsg('pw_ajax.php','action=relatetag&tagname=密码',this.id)" style="cursor:pointer;border-bottom: 1px solid #FA891B;" id="rlt_1">密码</span><span style="display:none"> ;Q-sie(# </span>&nbsp;<br /> <span style="display:none"> 7!Fu.Ps
> </span>&nbsp;<br />5.exit # 退出chroot<span style="display:none"> n        j1        cqh </span>&nbsp;<br /><span id="att_145139" class="f12"><span id="td_att145139" onmouseover="read.open('menu_att145139','td_att145139');" style="display:inline-block;"><img src="http://bbs.aliyun.com/attachment/Fid_207/207_1477160476054779_e8f365d94cacc78.png?16" border="0" style="max-width:995px;" onload="if(this.offsetWidth>'995')this.width='995';"></span><div id="menu_att145139" class="pw_menu" style="display:none;"><div style="border:1px solid #ffffff;background:#f3f9fb;padding:5px 10px;"><p><span class="mr10">图片:reset-password-2.png</span></p></div></div></span><span style="display:none"> -!7QH' </span>&nbsp;<br /> <span style="display:none"> YIjBKh </span>&nbsp;<br />6.重启，正常加载到CentOS 6，测试新密码生效<span style="display:none"> NcqE)"yObo </span>&nbsp;<br /> <span style="display:none"> CYG'WFvZZ </span>&nbsp;<br />参考：http://www.linux-magazine.com/Online/Features/Resetting-Passwords-with-SystemRescueCd<span style="display:none"> u!;kBs </span>&nbsp;<br /> <span style="display:none"> IHf
A;&b </span>&nbsp;<br /><div id="alert_tpc" style="color:gray;margin-top:30px">[ 此帖被dongshan8在2018-09-25 10:41重新编辑 ]</div>
</div>
</div>
<!--content_read-->
</td>
</tr>
<tr>