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	Update iperf3_server.sh
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#!/bin/bash
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# 检查是否以 root 权限运行
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if [ "$EUID" -ne 0 ]; then
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  echo "请以 root 权限运行此脚本"
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  exit 1
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fi
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# 检查 iperf3 是否安装
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if ! command -v iperf3 &> /dev/null; then
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    echo "iperf3 未安装. 正在尝试安装..."
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    sudo apt-get update && sudo apt-get install -y iperf3 || sudo yum install -y iperf3
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    if command -v apt-get &> /dev/null; then
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        apt-get update && apt-get install -y iperf3
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    elif command -v yum &> /dev/null; then
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        yum install -y iperf3
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    else
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        echo "无法安装 iperf3。请手动安装。"
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        exit 1
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    fi
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fi
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# 启动 iperf3 服务器
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echo "启动 iperf3 服务器..."
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iperf3 -s -D
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# 创建 systemd 服务文件
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cat << EOF > /etc/systemd/system/iperf3-server.service
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[Unit]
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Description=iperf3 Server
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After=network.target
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echo "iperf3 服务器已在后台启动。使用 'sudo killall iperf3' 来停止服务器。"
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[Service]
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ExecStart=/usr/bin/iperf3 -s
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Restart=always
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RestartSec=3
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[Install]
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WantedBy=multi-user.target
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EOF
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# 重新加载 systemd,启用并启动服务
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systemctl daemon-reload
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systemctl enable iperf3-server.service
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systemctl start iperf3-server.service
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echo "iperf3 服务器已设置为在后台运行,并将在系统重启后自动启动。"
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echo "使用以下命令管理服务:"
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echo "  启动: systemctl start iperf3-server"
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echo "  停止: systemctl stop iperf3-server"
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echo "  重启: systemctl restart iperf3-server"
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echo "  查看状态: systemctl status iperf3-server"
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