Add Linux server monitor dashboard

install.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+# Install Server Monitor as a systemd service.
+set -euo pipefail
+
+if [[ "${EUID}" -ne 0 ]]; then
+  echo "请使用 root 运行：sudo ./install.sh" >&2
+  exit 1
+fi
+
+if ! command -v systemctl >/dev/null 2>&1; then
+  echo "未找到 systemctl，此脚本需要 systemd。" >&2
+  exit 1
+fi
+
+if ! command -v python3 >/dev/null 2>&1; then
+  echo "未找到 python3，请先安装 Python 3.8+。" >&2
+  exit 1
+fi
+
+if ! python3 -c 'import sys; raise SystemExit(0 if sys.version_info >= (3, 8) else 1)'; then
+  echo "Python 版本过低，需要 3.8 或更新版本。" >&2
+  exit 1
+fi
+
+SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TARGET_DIR="/opt/server-monitor"
+UNIT_PATH="/etc/systemd/system/server-monitor.service"
+ENV_PATH="/etc/server-monitor.env"
+
+install -d -m 0755 "${TARGET_DIR}"
+install -m 0755 "${SOURCE_DIR}/monitor.py" "${TARGET_DIR}/monitor.py"
+rm -rf "${TARGET_DIR}/servermon" "${TARGET_DIR}/web"
+cp -a "${SOURCE_DIR}/servermon" "${TARGET_DIR}/servermon"
+cp -a "${SOURCE_DIR}/web" "${TARGET_DIR}/web"
+install -m 0644 "${SOURCE_DIR}/README.md" "${TARGET_DIR}/README.md"
+
+if [[ ! -f "${ENV_PATH}" ]]; then
+  cat >"${ENV_PATH}" <<'EOF'
+# Server Monitor 环境变量（可选）
+# 取消下一行注释并改成自己的凭据即可启用 HTTP Basic 认证：
+# SERVER_MONITOR_AUTH=admin:change-me
+EOF
+  chmod 0600 "${ENV_PATH}"
+fi
+
+install -m 0644 "${SOURCE_DIR}/deploy/server-monitor.service" "${UNIT_PATH}"
+systemctl daemon-reload
+systemctl enable --now server-monitor.service
+systemctl restart server-monitor.service
+
+echo
+echo "Server Monitor 已安装并启动。"
+echo "  访问:   http://<服务器IP>:8787/"
+echo "  状态:   systemctl status server-monitor --no-pager"
+echo "  日志:   journalctl -u server-monitor -f"
+echo "  认证:   编辑 ${ENV_PATH} 后 systemctl restart server-monitor"
+echo
+systemctl --no-pager --lines=0 status server-monitor.service || true