在Linux系统上安装Perl DBI支持
如果你想编写一些能够访问MySQL数据库的Perl脚本，就需要安装DBI模块，需要安装两组DBI模块，一组是负责提供各种DBI基本驱动程序
如果你想编写一些能够访问MySQL数据库的Perl脚本，就需要安装DBI模块，需要安装两组DBI模块，一组是负责提供各种DBI基本驱动程序的 DBI模块，另一组是负责提供各种MySQL专用驱动程序的DBD::mysql模块，如果你还想编写一些基于Web的DBI脚本，那就还得安装 CGI.pm模块，可以利用perldoc命令来查知某个Perl模块是否已经安装好了，如果已经安装了该模块，perldoc命令就会把该模块的文档显示出来，如下所示：
%perldoc DBI
%perldoc DBD::mysql
%perldoc CGI
如果想把Perl模块安装到Linux系统上，最简单的办法就是使用CPAN shell,以root身份登陆，然后发出如下命令：
#perl -MCPAN -e shell
cpan>install DBI
cpan>install DBD::mysql
cpan>install CGI
还可以从cpan.perl.org站点下载tar压缩文件形式的源代码发行版本，解压缩后，切换到相应的文件目录
cd DBI-1.54
perl Makefile.PL
make
make test
make install
安装过程中，在make test时出现错误
t/zvxgp_85gofer...........Can't locate Time/HiRes.pm in @INC (@INC contains: /root/DBI-1.54/blib/lib/5.8.5/i386-linux-thread-multi /root/DBI-1.54/blib/lib/5.8.5。)
说明无法找到Time/Hires.pm，到
网站下载后，通过上面的方法安装后，再重新安装DBI-1.54就好了，然后继续安装DBD::mysql
cd /root/DBD-mysql-4.001
perl Makefile.PL
make
make test
make install
安装过程中报错没有找到mysql_config文件
ln -s /usr/local/mysql/bin/mysql_config /sbin/mysql_config
做了链接后再perl Makefile.PL问题解决。
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