Python脚本操作在Linux环境中的应用案例

import shutil
import datetime

def backup_files(source, destination):
    now = datetime.datetime.now()
    timestamp = now.strftime("%Y%m%d%H%M%S")
    destination_path = destination + "/" + source + "_" + timestamp

    shutil.copytree(source, destination_path)
    print("备份成功！备份文件保存在：", destination_path)

source_path = "/path/to/source/files"
destination_path = "/path/to/backup/files"

backup_files(source_path, destination_path)

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

def monitor_resources():
    cpu_usage = psutil.cpu_percent(interval=1)
    memory_usage = psutil.virtual_memory().percent
    disk_usage = psutil.disk_usage('/').percent

    # 检查资源使用情况是否超过预设阈值
    if cpu_usage > 80 or memory_usage > 80 or disk_usage > 80:
        send_alert_email(cpu_usage, memory_usage, disk_usage)

def send_alert_email(cpu_usage, memory_usage, disk_usage):
    sender = "sender@example.com"
    receiver = "receiver@example.com"

    msg_text = "系统资源使用率过高：
CPU 使用率：{}%
内存使用率：{}%
磁盘使用率：{}%".fORMat(cpu_usage, memory_usage, disk_usage)
    msg = MIMEText(msg_text)

    msg['Subject'] = "系统资源使用率过高警报"
    msg['From'] = sender
    msg['To'] = receiver

    smtp = smtplib.SMTP('smtp.example.com')
    smtp.send_message(msg)
    smtp.quit()

monitor_resources()