如果第一次运行cpan命令

cpan提示进行交互的进行配置

当然我们根据自己的需要也可以手动的编辑此文件

贴一下自己的配置：

# This is CPAN.pm's systemwide configuration file. This file provides

# defaults for users, and the values can be changed in a per-user

# configuration file. The user-config file is being looked for as

# ~/.cpan/CPAN/MyConfig.pm.

$CPAN::Config = {

'build_cache' => q[10],

'build_dir' => q[/root/.cpan/build],

'cache_metadata' => q[1],

'cpan_home' => q[/root/.cpan],

'dontload_hash' => {  },

'ftp' => q[/usr/kerberos/bin/ftp],

'ftp_proxy' => q[],

'getcwd' => q[cwd],

'gpg' => q[/usr/bin/gpg],

'gzip' => q[/usr/bin/gzip],

'histfile' => q[/root/.cpan/histfile],

'histsize' => q[100],

'http_proxy' => q[],

'inactivity_timeout' => q[0],

'index_expire' => q[1],

'inhibit_startup_message' => q[0],

'keep_source_where' => q[/root/.cpan/sources],

'links' => q[/usr/bin/links],

'make' => q[/usr/bin/make],

'make_arg' => q[],

'make_install_arg' => q[],

'makepl_arg' => q[],

'ncftp' => q[],

'ncftpget' => q[],

'no_proxy' => q[],

'pager' => q[/usr/bin/less],

'prerequisites_policy' => q[ask],

'scan_cache' => q[atstart],

'shell' => q[/bin/bash],

'tar' => q[/bin/tar],

'term_is_latin' => q[1],

'unzip' => q[/usr/bin/unzip],

'urllist' => [q[http://cpan.modperl.cn/]],

'wget' => q[/usr/bin/wget],

};

1;

__END__

2)如果需要重新配置CPAN,输入：

#cpan

进入cpan后，输入：

#CPAN>o conf init

重新配置后Config.pm如下：

$CPAN::Config = {

'applypatch' => q[],

'auto_commit' => q[0],

'build_cache' => q[10],

'build_dir' => q[/root/.cpan/build],

'build_dir_reuse' => q[1],

'build_requires_install_policy' => q[ask/yes],

'bzip2' => q[/usr/bin/bzip2],

'cache_metadata' => q[1],

'check_sigs' => q[0],

'colorize_output' => q[0],

'commandnumber_in_prompt' => q[1],

'cpan_home' => q[/root/.cpan],

'curl' => q[/usr/bin/curl],

'dontload_hash' => {  },

'ftp' => q[/usr/kerberos/bin/ftp],

'ftp_passive' => q[1],

'ftp_proxy' => q[],

'getcwd' => q[cwd],

'gpg' => q[/usr/bin/gpg],

'gzip' => q[/usr/bin/gzip],

'histfile' => q[/root/.cpan/histfile],

'histsize' => q[100],

'http_proxy' => q[],

'inactivity_timeout' => q[0],

'index_expire' => q[1],

'inhibit_startup_message' => q[0],

'keep_source_where' => q[/root/.cpan/sources],

'load_module_verbosity' => q[v],

'lynx' => q[],

'make' => q[/usr/bin/make],

'make_arg' => q[],

'make_install_arg' => q[],

'make_install_make_command' => q[/usr/bin/make],

'makepl_arg' => q[],

'mbuild_arg' => q[],

'mbuild_install_arg' => q[],

'mbuild_install_build_command' => q[./Build],

'mbuildpl_arg' => q[],

'ncftp' => q[],

'ncftpget' => q[],

'no_proxy' => q[],

'pager' => q[/usr/bin/less],

'patch' => q[/usr/bin/patch],

'prefer_installer' => q[MB],

'prefs_dir' => q[/root/.cpan/prefs],

'prerequisites_policy' => q[ask],

'scan_cache' => q[atstart],

'shell' => q[/bin/bash],

'show_unparsable_versions' => q[0],

'show_upload_date' => q[0],

'show_zero_versions' => q[0],

'tar' => q[/bin/tar],

'tar_verbosity' => q[v],

'term_is_latin' => q[1],

'term_ornaments' => q[1],

'test_report' => q[0],

'unzip' => q[/usr/bin/unzip],

'urllist' => [q[http://cpan.modperl.cn/]],

'use_sqlite' => q[0],

'wget' => q[/usr/bin/wget],

'yaml_load_code' => q[0],

'yaml_module' => q[YAML],

};

1;

__END__

3)安装perl组件出错：

/usr/bin/make — NOT OK

Running make test

Can’t test without successful make

Running make install

make had returned bad status, install seems impossible

一.可以尝试

#cpan

cpan>o conf make /usr/bin/make

cpan>o conf commit

cpan>exit

然后用perl命令再安装一下该组件，看能否成功。

二.原因也可能是默认缓存/root/.cpan中的数据损坏

rm -rf ~/.cpan

删除后在perl -MCPAN -e shell中执行reload index

然后执行install Bundle::CPAN

最后执行reload CPAN即可正常通过命令行install MODULES

转载自：http://blog.chinaunix.net/u2/76219/showart_1726615.html