# 通过编辑 CPAN 配置文件，更新镜像源
## 手动编辑 CPAN 配置文件

## 找到 CPAN 配置文件：
CPAN 的配置文件通常位于 ~/.cpan/CPAN/MyConfig.pm。如果该文件不存在，您可以通过 cpan 命令来生成。




```bash
cpan
```

然后输入 exit 退出。

## 编辑配置文件：
打开 ~/.cpan/CPAN/MyConfig.pm，找到 urllist 部分，并修改为清华镜像。


```perl
'urllist' => [
  'http://mirrors.tuna.tsinghua.edu.cn/CPAN/',
],
```

保存并退出编辑器。

以下是一个完整的配置文件示例：


```perl
$CPAN::Config = {
  'build_cache' => q[100],
  'build_dir' => q[/home/username/.cpan/build],
  'cache_metadata' => q[1],
  'cpan_home' => q[/home/username/.cpan],
  'dontload_hash' => {},
  'ftp_passive' => q[1],
  'ftp_proxy' => q[],
  'getcwd' => q[cwd],
  'gpg' => q[],
  'gzip' => q[/bin/gzip],
  'histfile' => q[/home/username/.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[/home/username/.cpan/sources],
  'load_module_verbosity' => q[v],
  '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],
  'perl5lib_verbosity' => q[v],
  'prefer_installer' => q[EUMM],
  'prefs_dir' => q[/home/username/.cpan/prefs],
  'prerequisites_policy' => q[follow],
  'scan_cache' => q[atstart],
  'shell' => q[/bin/bash],
  'show_unparsable_versions' => q[0],
  'tar' => q[/bin/tar],
  'term_is_latin' => q[1],
  'unzip' => q[/usr/bin/unzip],
  'urllist' => [q[http://mirrors.tuna.tsinghua.edu.cn/CPAN/]],
  'use_sqlite' => q[0],
  'wget' => q[/usr/bin/wget],
  'yaml_load_code' => q[0],
  'yaml_module' => q[YAML],
};
1;
__END__
```
将 'urllist' 部分修改为清华镜像即可。

## 验证配置
您可以通过以下命令验证配置是否成功：


```bash
cpan
```

然后在 CPAN shell 中执行：


```perl
o conf urllist
```

如果配置成功，您应该会看到 http://mirrors.tuna.tsinghua.edu.cn/CPAN/ 在列表中。

通过以上步骤，您可以将 CPAN 的源设置为清华大学的镜像，加快模块下载速度。

通过编辑 CPAN 配置文件，更新镜像源

# MHA集群管理工具，配置用户信任问题

![image.png](/static/img/876495df0567925599f54a708b89a892.image.webp)



## 解决办法：（对每个节点都添加信任）



```js
# vim /root/.ssh/authorized_keys 
# for i in {44,45,143};do scp -r /root/.ssh/authorized_keys  root@172.17.44.${i}:/root/.ssh/;done
```


```js
[root@wtj1vpztmysql04 mha_source]# masterha_check_ssh --conf=/etc/masterha/app1.cnf
Thu Aug  1 09:20:41 2024 - [info] Reading default configuration from /etc/masterha_default.cnf..
Thu Aug  1 09:20:41 2024 - [info] Reading application default configuration from /etc/masterha/app1.cnf..
Thu Aug  1 09:20:41 2024 - [info] Reading server configuration from /etc/masterha/app1.cnf..
Thu Aug  1 09:20:41 2024 - [info] Starting SSH connection tests..
Thu Aug  1 09:20:47 2024 - [debug] 
Thu Aug  1 09:20:42 2024 - [debug]  Connecting via SSH from root@172.17.44.44(172.17.44.44:22) to root@172.17.44.45(172.17.44.45:22)..
Thu Aug  1 09:20:47 2024 - [debug]   ok.
Thu Aug  1 09:20:47 2024 - [debug]  Connecting via SSH from root@172.17.44.44(172.17.44.44:22) to root@172.17.44.143(172.17.44.143:22)..
Thu Aug  1 09:20:47 2024 - [debug]   ok.
Thu Aug  1 09:20:47 2024 - [debug] 
Thu Aug  1 09:20:41 2024 - [debug]  Connecting via SSH from root@172.17.44.143(172.17.44.143:22) to root@172.17.44.45(172.17.44.45:22)..
Thu Aug  1 09:20:42 2024 - [debug]   ok.
Thu Aug  1 09:20:42 2024 - [debug]  Connecting via SSH from root@172.17.44.143(172.17.44.143:22) to root@172.17.44.44(172.17.44.44:22)..
Thu Aug  1 09:20:47 2024 - [debug]   ok.
Thu Aug  1 09:20:47 2024 - [debug] 
Thu Aug  1 09:20:41 2024 - [debug]  Connecting via SSH from root@172.17.44.45(172.17.44.45:22) to root@172.17.44.143(172.17.44.143:22)..
Thu Aug  1 09:20:42 2024 - [debug]   ok.
Thu Aug  1 09:20:42 2024 - [debug]  Connecting via SSH from root@172.17.44.45(172.17.44.45:22) to root@172.17.44.44(172.17.44.44:22)..
Thu Aug  1 09:20:47 2024 - [debug]   ok.
Thu Aug  1 09:20:47 2024 - [info] All SSH connection tests passed successfully.
Use of uninitialized value in exit at /usr/local/bin/masterha_check_ssh line 44.
```

MHA集群管理工具，配置用户信任问题

yum安装包时提示报错：You could try using --skip-broken to work around the problem

# docker-compose自部署：yourls短链接
![image.png](/static/img/d3815590a795e9d5b656af8e9778e70f.image.webp)






# NO.1 yourls

Github地址
https://github.com/YOURLS/YOURLS

DockerHub地址
https://hub.docker.com/_/yourls/

官网地址
https://yourls.org/

YOURLS是一组 PHP 脚本，可让您在您的服务器上运行您自己的URL 缩短器。您将完全控制您的数据、详细统计信息、分析、插件等。它是免费和开源

![img](https://www.dsx2020.com/wp-content/uploads/images/JtrfeYisLR.png)

# NO.2 服务部署(记得做反向代理)

docker-compose.yml文件

```
version: '3.1'
services:
  yourls:
    image: yourls
    restart: always
    ports:
      - 40003:80
    environment:
      YOURLS_DB_PASS: 123456
      YOURLS_SITE: https://short.iftballs.com
      YOURLS_USER: admin
      YOURLS_PASS: 123456
    volumes:
      - ./yourls_data/:/var/www/html
  mysql:
    image: mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: 123456
      MYSQL_DATABASE: yourls
    volumes:
      - ./mysql/db/:/var/lib/mysql
      - ./mysql/conf/:/etc/mysql/conf.d
```

启动docker

```
docker-compose up
```

![img](https://www.dsx2020.com/wp-content/uploads/images/T14PuXlWJ9.png)


第一次访问地址

ip:端口/admin

![img](https://www.dsx2020.com/wp-content/uploads/images/TeR4BJY6G8.png)

注意直接访问ip:端口，会提示403没有权限

![image.png](/static/img/b0f89a1ce42ad212353e4469c73368cb.image.webp)

点击install

![img](https://www.dsx2020.com/wp-content/uploads/images/VWpm4ebsU4.png)

点击YOURLS ADMIN0… PAGE访问管理页面

输入账户和密码（在docker-compose.yml中定义的）

用户名：admin

密码：123456

![img](https://www.dsx2020.com/wp-content/uploads/images/4xCz4PjruE.png)

进入到设置页面

![img](https://www.dsx2020.com/wp-content/uploads/images/RLZaWgY7P0.png)

设置中文

下载语言包

https://github.com/guox/yourls-zh_CN/archive/master.zip

解压后放到user/languages文件夹中

![img](https://www.dsx2020.com/wp-content/uploads/images/r2DGIzUhC8.png)

设置user/config.php文件

设置使用中文语言包

```
define( 'YOURLS_LANG', 'zh_CN' );
```

![img](https://www.dsx2020.com/wp-content/uploads/images/TW5RnNYytB.png)

重启docker，并刷新网页

可以看到变为了中文

![img](https://www.dsx2020.com/wp-content/uploads/images/UxOnxrNp5x.png)

# NO.3 使用yourls

测试短网址服务

添加https://baidu.com为要跳转的地址，短网址自定义路径为trestbd

![img](https://www.dsx2020.com/wp-content/uploads/images/aZC9kuUQgk.png)

然后访问

http://short.iftballs.com/testbd

可以看到自动跳转到百度

![img](https://www.dsx2020.com/wp-content/uploads/images/tUltPql5zF.png)

刷新页面，可以看到点击次数为1

![img](https://www.dsx2020.com/wp-content/uploads/images/qFM6zdMtP0.png)

# NO.4 tips

使用场景

:::tip{title="提示"}

1. 分享文档，如公众号文章地址（比较长），避免因为限制长度无法分享，或者地址太长不好看
2. 数据分析，统计网址点击等数据
3. 修改失效地址，有些网址分发出去就无法修改，当服务停止或者其他异常时，可以指向新的链接，直接在yourls后台修改
:::