比如我已经在centos了，如何装ubuntu系统啊？不需要u盘的那种…
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grub2 can be installed directly by mounting the iso file, but installing some distributions (such as RHEL series) requires entering certain information in the startup options before the installation can be successful.
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grub2 can be installed directly by mounting the iso file, but installing some distributions (such as RHEL series) requires entering certain information in the startup options before the installation can be successful.