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我有一个需要在Apache上托管的RoR应用程序，所以我一直在尝试安装Apache Passenger。当我运行以下命令：安装Apache Passenger，未找到Ruby Development Header
sudo passenger-install-apache2-module
我得到：
Checking for required software...
* GNU C++ compiler... found at /usr/bin/g++
* Curl development headers with SSL support... found
* OpenSSL development headers... found
* Zlib development headers... found
* Ruby development headers... not found
* OpenSSL support for Ruby... found
* RubyGems... found
* Rake... found at /usr/local/bin/rake
* rack... found
* Apache 2... found at /usr/sbin/apache2
* Apache 2 development headers... found at /usr/bin/apxs2
* Apache Portable Runtime (APR) development headers... found at /usr/bin/apr-1-config
* Apache Portable Runtime Utility (APU) development headers... found at /usr/bin/apu-1-config
所以问我运行以下命令：
sudo apt-get install ruby1.8-dev
，我已经得到下面的结果做到了这一点
Reading package lists... Done
Building dependency tree
Reading state information... Done
ruby1.8-dev is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 40 not upgraded.
所以当我运行时：
sudo passenger-install-apache2-module
我得到相同的结果问我跑：
sudo apt-get install ruby1.8-dev
你能尝试红宝石更高版本？或者用rvm安装？ – simonmorley 2012-03-02 11:40:27
你下载了哪个版本的Enterprise Ruby？另外我假设你使用了一些基于Debian的Linux发行版：Ubuntu？薄荷？请澄清 - 我会尝试所有虚拟的。我正在运行Ubuntu和Mint和Ubuntu服务器 - 从来没有任何乘客安装问题.... – 2012-03-28 22:49:30