1import os
 2
 3# 目标目录（改成你的路径）
 4target_dir = "/tmp/test_logs"
 5# 前缀自定义
 6prefix = "app_log_"
 7
 8for index, filename in enumerate(os.listdir(target_dir)):
 9    # 拼接新文件名
10    new_name = f"{prefix}{index}.log"
11    # 重命名
12    os.rename(os.path.join(target_dir, filename), os.path.join(target_dir, new_name))
13
14print("批量重命名完成！")

 1import os
 2import time
 3
 4log_path = "/var/log/nginx"
 5# 7天前的时间戳
 6seven_days_ago = time.time() - 7 * 24 * 60 * 60
 7
 8for file in os.listdir(log_path):
 9    file_path = os.path.join(log_path, file)
10    # 判断文件修改时间
11    if os.path.isfile(file_path) and os.path.getmtime(file_path) < seven_days_ago:
12        os.remove(file_path)
13        print(f"已删除过期日志：{file}")

 1import os
 2import socket
 3
 4# 查看本机IP
 5hostname = socket.gethostname()
 6ip = socket.gethostbyname(hostname)
 7print(f"主机名：{hostname}，IP：{ip}")
 8
 9# 查看磁盘根目录使用情况（Linux）
10disk_info = os.popen("df -h /").read()
11print("磁盘根目录信息：")
12print(disk_info)

 1import shutil
 2import datetime
 3
 4# 源目录、备份目录
 5source = "/etc/nginx"
 6backup_dir = "/data/backup"
 7# 备份文件名（日期+目录名）
 8today = datetime.datetime.now().strftime("%Y%m%d")
 9backup_name = f"nginx_backup_{today}.tar.gz"
10
11# 打包备份
12shutil.make_archive(base_name=f"{backup_dir}/{backup_name}", format='gztar', root_dir=source)
13print(f"备份完成：{backup_dir}/{backup_name}")

 1import subprocess
 2
 3# 执行shell命令，捕获输出
 4def run_cmd(cmd):
 5    result = subprocess.run(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding="utf-8")
 6    return result.stdout, result.stderr
 7
 8# 示例：查看CPU信息
 9cpu_info, err = run_cmd("lscpu | grep 'Model name'")
10print("CPU型号：", cpu_info.strip())
11
12# 示例：查看内存
13mem_info, _ = run_cmd("free -h")
14print("内存信息：\n", mem_info)

 1error_count = 0
 2log_file = "/var/log/messages"
 3
 4with open(log_file, "r", encoding="utf-8", errors="ignore") as f:
 5    for line in f:
 6        if "ERROR" in line or "Exception" in line:
 7            error_count += 1
 8            print(f"错误行：{line.strip()}")
 9
10print(f"日志中总错误数：{error_count}")

1pip install psutil paramiko requests pyyaml

 1import psutil
 2
 3# 获取CPU使用率
 4cpu_usage = psutil.cpu_percent(interval=1)
 5# 获取内存使用率
 6mem = psutil.virtual_memory()
 7mem_usage = mem.percent
 8# 获取磁盘根目录使用率
 9disk = psutil.disk_usage("/")
10disk_usage = disk.percent
11
12print(f"CPU使用率：{cpu_usage}%")
13print(f"内存使用率：{mem_usage}%")
14print(f"磁盘使用率：{disk_usage}%")
15
16# 阈值告警
17if cpu_usage > 80 or mem_usage > 85 or disk_usage > 90:
18    print("⚠️  资源使用率过高，请检查服务器！")

 1import paramiko
 2
 3# 服务器列表
 4servers = [
 5    {"host": "192.168.1.10", "user": "root", "pwd": "your_password"},
 6    {"host": "192.168.1.11", "user": "root", "pwd": "your_password"},
 7]
 8# 要执行的命令
 9cmd = "uptime"
10
11for server in servers:
12    ssh = paramiko.SSHClient()
13    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
14    ssh.connect(server["host"], username=server["user"], password=server["pwd"])
15    stdin, stdout, stderr = ssh.exec_command(cmd)
16    print(f"\n=== {server['host']} 执行结果 ===")
17    print(stdout.read().decode("utf-8"))
18    ssh.close()

 1import requests
 2
 3def check_api(url):
 4    try:
 5        res = requests.get(url, timeout=5)
 6        if res.status_code == 200:
 7            return True, "接口正常"
 8        else:
 9            return False, f"状态码异常：{res.status_code}"
10    except Exception as e:
11        return False, f"请求失败：{str(e)}"
12
13# 监控接口
14api_url = "https://www.baidu.com"
15status, msg = check_api(api_url)
16
17if not status:
18    # 钉钉机器人Webhook（替换成你的）
19    ding_url = "https://oapi.dingtalk.com/robot/send?access_token=xxx"
20    data = {"msgtype": "text", "text": {"content": f"⚠️ 接口告警：{msg}"}}
21    requests.post(ding_url, json=data)
22    print("告警已发送！")
23else:
24    print("接口正常")