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远程安装 CentOS 7（VNC）-无法启动

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远程安装 CentOS 7（VNC）-无法启动

我正在尝试按照以下步骤在机器上远程安装 CentOS 7（在另一台 CentOS 7 上）...

http://www.danpros.com/2016/02/how-to-install-centos-7-remotely-using-vnc

...基本上是使用下面的引导文件启动机器...

wget http://mirror.centos.org/centos/7/os/x86_64/isolinux/vmlinuz -O vmlinuz-7
wget http://mirror.centos.org/centos/7/os/x86_64/isolinux/initrd.img -O initrd-7.img

...并使用 VNC 访问它。

但是，使用上述启动方案重新启动机器后出现以下错误...

[FAILED] Failed to start Switch Root.
See 'systemctl status initrd-switch-root.service' for details.
Warning: /dev/root does not exist

Generating "/run/initramfs/rdsosreport.txt"

Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or /boot 
after mounting them and attach it to a bug report.

在文件里面...

/etc/grub.d/40_custom

...有以下内容...

#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

menuentry 'NetInstall' {
    load_video
    set gfxpayload=keep
    insmod gzio
    insmod part_msdos
    insmod xfs
    set root='hd0,msdos1'
    if [ x$feature_platform_search_hint = xy ]; then
      search --no-floppy --fs-uuid --set=root --hint='hd0,msdos1' 0c9d9ace-9666-4977-ab1c-892f62880970
    else
      search --no-floppy --fs-uuid --set=root 0c9d9ace-9666-4977-ab1c-892f62880970
    fi
    linux16 /vmlinuz-7 inst.vnc inst.vncpassword=12345678 inst.headless ip=172.16.13.128::172.16.13.2:255.255.255.0::eno16777736:none nameserver=8.8.8.8 inst.repo=http://mirror.centos.org/centos/7/os/x86_64/ inst.lang=en_US inst.keymap=us
    initrd16 /initrd-7.img
}

知道为什么会发生上述错误吗？

谢谢！

答案1

我在这个链接上打开了一个包含大量有关此问题的信息的帖子......

https://www.centos.org/forums/viewtopic.php?t=61089

基本上，问题发生的原因是下面的引导文件的版本......

wget http://mirror.centos.org/centos/7/os/x86_64/isolinux/vmlinuz -O vmlinuz-7
wget http://mirror.centos.org/centos/7/os/x86_64/isolinux/initrd.img -O initrd-7.img

我开始使用这些版本并且问题就不再存在了......

wget http://mirror.centos.org/centos/7.2.1511/os/x86_64/isolinux/vmlinuz -O vmlinuz-7
wget http://mirror.centos.org/centos/7.2.1511/os/x86_64/isolinux/initrd.img -O initrd-7.img

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