今天想在我的ubuntu上安裝oracle 11g r2，在網上所有了一些教程，然後找到了oracle官網網站的Operating System Requirements，內容如下：
Operating System Requirements
The following or later versions of the operating system are required for Oracle Database 11g Release 2 (11.2):
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Asianux Server 3 SP2
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Oracle Linux 4 Update 7
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Oracle Linux 5 Update 2 (with Red Hat Compatible Kernel)
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Oracle Linux 5 Update 5
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Oracle Linux 6
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Oracle Linux 6 (with Red Hat Compatible Kernel)
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Red Hat Enterprise Linux 4 Update 7
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Red Hat Enterprise Linux 5 Update 2
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Red Hat Enterprise Linux 5 Update 5 (with the Oracle Unbreakable Enterprise Kernel for Linux)
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Red Hat Enterprise Linux 6
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Red Hat Enterprise Linux 6 (with the Oracle Unbreakable Enterprise Kernel for Linux)
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SUSE Linux Enterprise Server 10 SP2
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SUSE Linux Enterprise Server 11
Starting with Oracle Database 11g Release 2 (11.2), the Security Enhanced Linux (SE Linux) feature is supported for Oracle Linux 4, Oracle Linux 5, Oracle Linux 6, Red Hat Enterprise Linux 4, Red Hat Enterprise Linux 5, and Red Hat Enterprise Linux 6.
從oracle官方網站上羅列的linux系統來看，根本就沒有ubuntu作業系統。我們再來看一下Linux發行版列表，發現oracle就不支援基於Debian的linux系統。所以我就拋棄了想在ubuntu安裝oracle的想法，想在centos上安裝了。至少centos還是redhad的分支。
