#!/bin/bash
# 查为什么开机自启没生效。
set -u

echo "===== 开机多久了 / 到哪个 target ====="
uptime
echo "  default target: $(systemctl get-default)"
echo "  multi-user:     $(systemctl is-active multi-user.target)"
echo "  graphical:      $(systemctl is-active graphical.target)"

echo
echo "===== wants 软链接建了吗 ====="
ls -l /etc/systemd/system/multi-user.target.wants/ 2>/dev/null | grep -i lanremote || echo "  ✗ 没有软链接"
echo
echo "  graphical.target.wants:"
ls -l /etc/systemd/system/graphical.target.wants/ 2>/dev/null | grep -i lanremote || echo "  （没有）"

echo
echo "===== 这次开机 systemd 有没有处理过这两个单元 ====="
journalctl -b --no-pager -u lanremote-relay 2>/dev/null | tail -8
echo "  ---"
journalctl -b --no-pager -u lanremote-tunnel 2>/dev/null | tail -6
echo "  (上面为空 = 这次开机 systemd 压根没碰过它们)"

echo
echo "===== network-online 为什么没到 ====="
systemctl is-enabled NetworkManager-wait-online.service 2>/dev/null || echo "  没有 NetworkManager-wait-online"
systemctl is-active NetworkManager-wait-online.service 2>/dev/null

echo
echo "===== 现在两个服务什么状态 ====="
systemctl is-active lanremote-relay lanremote-tunnel
echo
echo "===== 手动都拉起来看看行不行 ====="
systemctl start lanremote-relay
sleep 3
systemctl start lanremote-tunnel
sleep 5
systemctl is-active lanremote-relay lanremote-tunnel
echo
tail -3 /root/lanremote-relay/tunnel.log 2>/dev/null