linux设置代理服务器

在Linux中设置代理服务器有多种方法，具体取决于你使用的网络配置工具。以下是几种常见的方法：

1. 临时设置（适用于单个会话）: 你可以在命令行中使用环境变量来临时设置代理。例如，如果你使用的是bash，可以使用以下命令：

```bash export http_proxy=http://proxyserver:port export https_proxy=https://proxyserver:port ```

对于csh或tcsh，使用：

```csh setenv http_proxy http://proxyserver:port setenv https_proxy https://proxyserver:port ```

这将只对当前会话有效。

2. 永久设置（适用于所有会话）: 对于bash或zsh用户，可以编辑`~/.bashrc`或`~/.zshrc`文件，并添加上述export命令。 对于csh或tcsh用户，可以编辑`~/.cshrc`或`~/.tcshrc`文件，并添加上述setenv命令。

3. 使用`netplan`配置文件: 如果你的系统使用`netplan`来管理网络配置，可以在`/etc/netplan/`目录下的配置文件中设置代理。例如：

```yaml network: version: 2 ethernets: eth0: dhcp4: true proxy: http: http://proxyserver:port https: https://proxyserver:port ```

保存并应用更改：

```bash sudo netplan apply ```

4. 使用`systemdresolved`: 如果你的系统使用`systemdresolved`作为DNS解析器，可以通过编辑`/etc/systemd/resolved.conf`文件来设置代理。例如：

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保存并重新启动`systemdresolved`服务：

```bash sudo systemctl restart systemdresolved ```

5. 使用`apt`配置文件: 如果你想在安装软件包时使用代理，可以编辑`/etc/apt/apt.conf`文件，并添加以下内容：

```ini Acquire::http::Proxy http://proxyserver:port; Acquire::https::Proxy https://proxyserver:port; ```

这将确保`apt`在下载软件包时使用代理。

6. 使用`pip`配置文件: 如果你想在安装Python包时使用代理，可以创建或编辑`~/.pip/pip.conf`文件，并添加以下内容：

```ini proxy = http://proxyserver:port ```

这将确保`pip`在安装Python包时使用代理。

请根据你的具体需求选择合适的方法来设置代理服务器。