服务器内存1核1g

import psutil
import smtplib
from email.mime.text import MIMEText

def check_memory_usage():
    memory = psutil.virtual_memory()
    usage_percent = memory.percent
    if usage_percent > 80:
        send_email(f"Memory usage is high: {usage_percent}%")

def send_email(message):
    sender = 'your_email@example.com'
    receiver = 'receiver@example.com'
    msg = MIMEText(message)
    msg['Subject'] = 'Server Memory Alert'
    msg['From'] = sender
    msg['To'] = receiver
    
    smtp_server = 'smtp.example.com'
    smtp_port = 587
    smtp_username = 'your_username'
    smtp_password = 'your_password'
    
    with smtplib.SMTP(smtp_server, smtp_port) as server:
        server.starttls()
        server.login(smtp_username, smtp_password)
        server.sendmail(sender, receiver, msg.as_string())

if __name__ == "__main__":
    check_memory_usage()