diff --git a/RNinitial.sh b/RNinitial.sh
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+++ b/RNinitial.sh
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+#!/bin/bash
+# initial the system
+
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
+export PATH
+
+# step 1: install
+echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf   #修改系统变量
+echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf   #修改系统变量
+sysctl -p   #保存生效
+sysctl net.ipv4.tcp_available_congestion_control   #执行
+
+apt -y install sudo wget curl ufw screen vim git python3-pip
+curl -fsSL https://get.docker.com | bash -s docker >${PWD}/step1 2>&1
+curl -L https://github.com/docker/compose/releases/download/v2.12.2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose
+echo "step 1: install has finished"
+
+# step 2: localize
+useradd -d /home/skf -m SkF%16_6
+usermod -s /bin/bash SkF%16_6
+usermod -aG sudo SkF%16_6   # 有些发行版 RN 的就没有sudo adm
+usermod -aG adm SkF%16_6
+usermod -aG docker SkF%16_6 && newgrp docker
+echo `groups SkF%16_6`
+
+timedatectl set-timezone Asia/Shanghai
+echo `date`
+
+echo "step 2: localize has finished"
+
+# step 3: monitor
+
+mkdir -p /root/myserve/serverstatus && wget --no-check-certificate -qO /root/myserve/serverstatus/client-linux.py 'https://raw.githubusercontent.com/cppla/ServerStatus/master/clients/client-linux.py'
+nohup python3 /root/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-rn PASSWORD=A23456.. >/dev/null 2>&1 &
+echo "@reboot python3 /root/myserve/serverstatus/client-linux.py SERVER=serverstatus.ahfei.blog USER=ahfei-rn PASSWORD=A23456.. >/dev/null 2>&1" >> /var/spool/cron/crontabs/root
+
+echo "step 3: monitor has finished"
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