libicui18n.so.66: cannot open shared object file: No such file or directory

错误"libicui18n.so.66: cannot open shared object file: No such file or directory"指的是在加载共享库libicui18n.so.66时找不到文件或目录。根据引用和引用的信息，这个错误通常发生在运行dtools或php-fpm时。

解决这个问题的方法之一是安装缺少的文件。根据引用，你可以使用wget命令下载缺少的文件libicu55_55.1-7_amd64.deb，并使用dpkg命令进行安装。这将提供所需的共享库文件。

请按照以下步骤操作：
1. 运行以下命令下载缺少的文件：

   wget http://security.ubuntu.com/ubuntu/pool/main/i/icu/libicu55_55.1-7_amd64.deb

2. 运行以下命令进行安装：

   sudo dpkg -i libicu55_55.1-7_amd64.deb

完成以上步骤后，应该能够解决"libicui18n.so.66: cannot open shared object file: No such file or directory"错误。重新运行dtools或php-fpm时，应该能够正确加载所需的共享库文件。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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