To re-process the sshd_config file, send the SIGHUP command to the sshd (ssh server daemon) process.

为了重新处理 sshd_config 文件，发送 SIGHUP 命令到 sshd （ssh 服务器守护）进程。

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For instance, the system service xinetd, which launches other network services on demand, re-reads its configuration files upon the receipt of SIGHUP.

例如，系统服务xinetd会按需要启动其他网络服务，它在收到SIGHUP时会重新读取它的配置文件。

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