rtu_linux_services/myir-mkupdate-sdcard/local-startup.service/startup.sh

#!/bin/sh
# runs on system startup
# 2026-05-08 08:50 created by niujiuru

# 设置系统主频
[ -w /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ] && \
  echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

[ -w /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed ] && \
  echo 528000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed

# usbfs:内存值
[ -w /sys/module/usbcore/parameters/usbfs_memory_mb ] && \
  echo 500 > /sys/module/usbcore/parameters/usbfs_memory_mb

# FTP:创建用户
[ -x /opt/yfkj/local-startup.service/create-ftp-user.sh ] && /opt/yfkj/local-startup.service/create-ftp-user.sh

# 关闭无用服务
disable_service() {
  service="$1"

  if systemctl is-enabled --quiet "$service"; then
    echo ">>> $service DISABLE $(date '+%H:%M:%S.%3N')"
    systemctl disable --now "$service"
    echo "<<< $service END $(date '+%H:%M:%S.%3N')"
  fi
}

# 后台关闭服务
(
  # RPC服务
  disable_service rpcbind.socket
  disable_service rpcbind

  # 自动升级检查
  disable_service check_upgrade

  # 蜂窝通信服务
  disable_service ofono

  # mDNS/DNS-SD 服务
  disable_service avahi-daemon

  # 蓝牙服务
  disable_service bluetooth

  # NFC 服务
  disable_service neard

  # NFS 服务
  disable_service nfs-mountd
  disable_service nfs-server
  disable_service nfs-statd

  # IPv6节点信息服务
  disable_service ninfod

  # IPv6路由发现服务
  disable_service rdisc

  # OP-TEE用户态辅助服务
  disable_service tee-supplicant

  # 开机画面
  disable_service psplash-systemd.service
  disable_service psplash-basic.service
  disable_service psplash-network.service
) &

exit 0