添加 vnc/multi_vnc_single_user.sh
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#!/bin/bash
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# 1. 检查是否以 root 权限运行
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if [ "$EUID" -ne 0 ]; then
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echo "❌ 错误: 请使用 root 权限 (sudo) 运行此脚本。"
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exit 1
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fi
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# 2. 检查必备命令
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if ! command -v vncpasswd &> /dev/null || ! command -v vncserver &> /dev/null; then
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echo "❌ 错误: 系统中未找到 VNC 相关命令。请先安装 VNC Server。"
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exit 1
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fi
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# ==========================================
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# 3. 核心配置区 (请根据实际需求修改这里)
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# ==========================================
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TARGET_USER="workuser" # 目标用户名
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TARGET_PASS="WorkPass2026" # 用户的 VNC 密码 (登录系统和VNC相同)
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INSTANCE_COUNT=3 # 需要开启的 VNC 桌面数量
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START_DISPLAY=1 # 起始显示编号 (1 对应 5901 端口)
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# ==========================================
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echo "🚀 开始为用户 $TARGET_USER 部署 $INSTANCE_COUNT 个 VNC 桌面..."
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echo "========================================"
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# 4. 步骤 A: 创建或校验系统用户
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if id "$TARGET_USER" &>/dev/null; then
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echo " -> ℹ️ 系统用户 $TARGET_USER 已存在,直接配置 VNC。"
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else
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useradd -m "$TARGET_USER" -s /bin/bash
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echo "$TARGET_USER:$TARGET_PASS" | chpasswd
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echo " -> ✅ 系统用户 $TARGET_USER 创建成功。"
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fi
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# 5. 步骤 B: 配置统一的 VNC 密码
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VNC_DIR="/home/$TARGET_USER/.vnc"
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mkdir -p "$VNC_DIR"
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echo "$TARGET_PASS" | vncpasswd -f > "$VNC_DIR/passwd"
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chmod 600 "$VNC_DIR/passwd"
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chown -R "$TARGET_USER:$TARGET_USER" "$VNC_DIR"
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echo " -> ✅ VNC 密码配置完成。"
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echo "----------------------------------------"
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# 6. 步骤 C: 循环生成并启动多个 systemd 服务
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END_DISPLAY=$((START_DISPLAY + INSTANCE_COUNT - 1))
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for (( i=START_DISPLAY; i<=END_DISPLAY; i++ )); do
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CURRENT_PORT=$((5900 + i))
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# 动态命名服务文件,例如: vnc-workuser-1.service
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SERVICE_NAME="vnc-${TARGET_USER}-${i}.service"
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SERVICE_FILE="/etc/systemd/system/$SERVICE_NAME"
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echo " -> ⚙️ 正在配置 VNC 桌面 :$i (端口: $CURRENT_PORT)..."
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# 写入专属的 systemd 服务配置
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cat <<EOF > "$SERVICE_FILE"
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[Unit]
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Description=VNC Server for $TARGET_USER on display $i
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After=syslog.target network.target
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[Service]
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Type=forking
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User=$TARGET_USER
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Group=$TARGET_USER
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WorkingDirectory=/home/$TARGET_USER
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ExecStartPre=-/usr/bin/vncserver -kill :$i > /dev/null 2>&1
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ExecStart=/usr/bin/vncserver :$i -geometry 1280x720 -depth 24
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ExecStop=/usr/bin/vncserver -kill :$i
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[Install]
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WantedBy=multi-user.target
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EOF
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# 重新加载 systemd 守护进程
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systemctl daemon-reload
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# 设置开机自启并立即启动
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if systemctl enable --now "$SERVICE_NAME" &>/dev/null; then
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echo " -> 🎯 桌面 :$i 启动成功!请使用 <服务器IP>:$CURRENT_PORT 连接。"
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else
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echo " -> ❌ 服务启动失败,请检查 systemctl status $SERVICE_NAME"
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fi
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done
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echo "========================================"
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echo "🎉 为用户 $TARGET_USER 批量分配 $INSTANCE_COUNT 个 VNC 桌面的操作已全部完成!"
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