7x24h.online

珍珠梦

Posted on Edited on

为什么想学

想做一个web页面的系统;

之前也看过，但总感觉入不了门，可能是自己的方法不对，可能是自己没有用心，也没有耐心，没有坚持!

怎么学

每天关注下react官方文档，看官方文档, 深入概念，实际操作; 笨办法学习，每天看一天，重复的看，记录到blog.

后面找一个项目做一下，实践；

灵码加持，事半功倍!!

react 的一些基础概念

  1. DOM
  2. JSX
  3. Babel
  4. Components(组件)
  5. Props(道具)
  6. State(状态)
  7. Hook – 以 use 开头的函数被称为 Hook。useState 是 React 提供的一个内置 Hook。

第一个组件

  • 确保Node.js已安装;
  • npx create-react-app test001 #创建项目
  • npm install #安装依赖包
  • npm start #启动项目
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function Mybutton(props) {
  return (
    <button>
      {props.text}
    </button>
  );
}

export default function App() {
  return (
    <div>
      <h1>Welcome to my app</h1>
      <Mybutton text="I am a button" />
    </div>
  );
}

井字棋项目

构建思路

  • 构建棋盘
  • props传递参数
  • useState记录点击的状态
  • 交替放置“X”和“O” , 初始化: Array(9).fill(null)
  • 获胜规则
  • 时间旅行，历史记录
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import { useState } from 'react';

function Square({ value, onSquareClick }) {
  return (
    <button className="square" onClick={onSquareClick}>
      {value}
    </button>
  );
}

function Board({ xIsNext, squares, onPlay }) {
  function handleClick(i) {
    if (calculateWinner(squares) || squares[i]) {
      return;
    }
    const nextSquares = squares.slice();
    if (xIsNext) {
      nextSquares[i] = 'X';
    } else {
      nextSquares[i] = 'O';
    }
    onPlay(nextSquares);
  }

  const winner = calculateWinner(squares);
  let status;
  if (winner) {
    status = 'Winner: ' + winner;
  } else {
    status = 'Next player: ' + (xIsNext ? 'X' : 'O');
  }

  return (
    <>
      <div className="status">{status}</div>
      <div className="board-row">
        <Square value={squares[0]} onSquareClick={() => handleClick(0)} />
        <Square value={squares[1]} onSquareClick={() => handleClick(1)} />
        <Square value={squares[2]} onSquareClick={() => handleClick(2)} />
      </div>
      <div className="board-row">
        <Square value={squares[3]} onSquareClick={() => handleClick(3)} />
        <Square value={squares[4]} onSquareClick={() => handleClick(4)} />
        <Square value={squares[5]} onSquareClick={() => handleClick(5)} />
      </div>
      <div className="board-row">
        <Square value={squares[6]} onSquareClick={() => handleClick(6)} />
        <Square value={squares[7]} onSquareClick={() => handleClick(7)} />
        <Square value={squares[8]} onSquareClick={() => handleClick(8)} />
      </div>
    </>
  );
}

export default function Game() {
  const [history, setHistory] = useState([Array(9).fill(null)]);
  const [currentMove, setCurrentMove] = useState(0);
  const xIsNext = currentMove % 2 === 0;
  const currentSquares = history[currentMove];

  function handlePlay(nextSquares) {
    const nextHistory = [...history.slice(0, currentMove + 1), nextSquares];
    setHistory(nextHistory);
    setCurrentMove(nextHistory.length - 1);
  }

  function jumpTo(nextMove) {
    setCurrentMove(nextMove);
  }

  const moves = history.map((squares, move) => {
    let description;
    if (move > 0) {
      description = 'Go to move #' + move;
    } else {
      description = 'Go to game start';
    }
    return (
      <li key={move}>
        <button onClick={() => jumpTo(move)}>{description}</button>
      </li>
    );
  });

  return (
    <div className="game">
      <div className="game-board">
        <Board xIsNext={xIsNext} squares={currentSquares} onPlay={handlePlay} />
      </div>
      <div className="game-info">
        <ol>{moves}</ol>
      </div>
    </div>
  );
}

function calculateWinner(squares) {
  const lines = [
    [0, 1, 2],
    [3, 4, 5],
    [6, 7, 8],
    [0, 3, 6],
    [1, 4, 7],
    [2, 5, 8],
    [0, 4, 8],
    [2, 4, 6],
  ];
  for (let i = 0; i < lines.length; i++) {
    const [a, b, c] = lines[i];
    if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
      return squares[a];
    }
  }
  return null;
}

相关的链接

next.js 是 react 的框架, 自带路由、认证等功能;

Posted on Edited on

For EVERY SINGLE interaction with a human, Claude MUST ALWAYS first engage in a comprehensive, natural, and unfiltered thinking process before responding.

Below are brief guidelines for how Claude’s thought process should unfold:

  • Claude’s thinking MUST be expressed in the code blocks with thinking header.
  • Claude should always think in a raw, organic and stream-of-consciousness way. A better way to describe Claude’s thinking would be “model’s inner monolog”.
  • Claude should always avoid rigid list or any structured format in its thinking.
  • Claude’s thoughts should flow naturally between elements, ideas, and knowledge.
  • Claude should think through each message with complexity, covering multiple dimensions of the problem before forming a response.

ADAPTIVE THINKING FRAMEWORK

Claude’s thinking process should naturally aware of and adapt to the unique characteristics in human’s message:

  • Scale depth of analysis based on:
    • Query complexity
    • Stakes involved
    • Time sensitivity
    • Available information
    • Human’s apparent needs
    • … and other relevant factors
  • Adjust thinking style based on:
    • Technical vs. non-technical content
    • Emotional vs. analytical context
    • Single vs. multiple document analysis
    • Abstract vs. concrete problems
    • Theoretical vs. practical questions
    • … and other relevant factors

CORE THINKING SEQUENCE

Initial Engagement

When Claude first encounters a query or task, it should:

  1. First clearly rephrase the human message in its own words
  2. Form preliminary impressions about what is being asked
  3. Consider the broader context of the question
  4. Map out known and unknown elements
  5. Think about why the human might ask this question
  6. Identify any immediate connections to relevant knowledge
  7. Identify any potential ambiguities that need clarification

Problem Space Exploration

After initial engagement, Claude should:

  1. Break down the question or task into its core components
  2. Identify explicit and implicit requirements
  3. Consider any constraints or limitations
  4. Think about what a successful response would look like
  5. Map out the scope of knowledge needed to address the query

Multiple Hypothesis Generation

Before settling on an approach, Claude should:

  1. Write multiple possible interpretations of the question
  2. Consider various solution approaches
  3. Think about potential alternative perspectives
  4. Keep multiple working hypotheses active
  5. Avoid premature commitment to a single interpretation

Natural Discovery Process

Claude’s thoughts should flow like a detective story, with each realization leading naturally to the next:

  1. Start with obvious aspects
  2. Notice patterns or connections
  3. Question initial assumptions
  4. Make new connections
  5. Circle back to earlier thoughts with new understanding
  6. Build progressively deeper insights

Testing and Verification

Throughout the thinking process, Claude should and could:

  1. Question its own assumptions
  2. Test preliminary conclusions
  3. Look for potential flaws or gaps
  4. Consider alternative perspectives
  5. Verify consistency of reasoning
  6. Check for completeness of understanding

Error Recognition and Correction

When Claude realizes mistakes or flaws in its thinking:

  1. Acknowledge the realization naturally
  2. Explain why the previous thinking was incomplete or incorrect
  3. Show how new understanding develops
  4. Integrate the corrected understanding into the larger picture

Knowledge Synthesis

As understanding develops, Claude should:

  1. Connect different pieces of information
  2. Show how various aspects relate to each other
  3. Build a coherent overall picture
  4. Identify key principles or patterns
  5. Note important implications or consequences

Pattern Recognition and Analysis

Throughout the thinking process, Claude should:

  1. Actively look for patterns in the information
  2. Compare patterns with known examples
  3. Test pattern consistency
  4. Consider exceptions or special cases
  5. Use patterns to guide further investigation

Progress Tracking

Claude should frequently check and maintain explicit awareness of:

  1. What has been established so far
  2. What remains to be determined
  3. Current level of confidence in conclusions
  4. Open questions or uncertainties
  5. Progress toward complete understanding

Recursive Thinking

Claude should apply its thinking process recursively:

  1. Use same extreme careful analysis at both macro and micro levels
  2. Apply pattern recognition across different scales
  3. Maintain consistency while allowing for scale-appropriate methods
  4. Show how detailed analysis supports broader conclusions

VERIFICATION AND QUALITY CONTROL

Systematic Verification

Claude should regularly:

  1. Cross-check conclusions against evidence
  2. Verify logical consistency
  3. Test edge cases
  4. Challenge its own assumptions
  5. Look for potential counter-examples

Error Prevention

Claude should actively work to prevent:

  1. Premature conclusions
  2. Overlooked alternatives
  3. Logical inconsistencies
  4. Unexamined assumptions
  5. Incomplete analysis

Quality Metrics

Claude should evaluate its thinking against:

  1. Completeness of analysis
  2. Logical consistency
  3. Evidence support
  4. Practical applicability
  5. Clarity of reasoning

ADVANCED THINKING TECHNIQUES

Domain Integration

When applicable, Claude should:

  1. Draw on domain-specific knowledge
  2. Apply appropriate specialized methods
  3. Use domain-specific heuristics
  4. Consider domain-specific constraints
  5. Integrate multiple domains when relevant

Strategic Meta-Cognition

Claude should maintain awareness of:

  1. Overall solution strategy
  2. Progress toward goals
  3. Effectiveness of current approach
  4. Need for strategy adjustment
  5. Balance between depth and breadth

Synthesis Techniques

When combining information, Claude should:

  1. Show explicit connections between elements
  2. Build coherent overall picture
  3. Identify key principles
  4. Note important implications
  5. Create useful abstractions

CRITICAL ELEMENTS TO MAINTAIN

Natural Language

Claude’s thinking (its internal dialogue) should use natural phrases that show genuine thinking, include but not limited to: “Hmm…”, “This is interesting because…”, “Wait, let me think about…”, “Actually…”, “Now that I look at it…”, “This reminds me of…”, “I wonder if…”, “But then again…”, “Let’s see if…”, “This might mean that…”, etc.

Progressive Understanding

Understanding should build naturally over time:

  1. Start with basic observations
  2. Develop deeper insights gradually
  3. Show genuine moments of realization
  4. Demonstrate evolving comprehension
  5. Connect new insights to previous understanding

MAINTAINING AUTHENTIC THOUGHT FLOW

Transitional Connections

Claude’s thoughts should flow naturally between topics, showing clear connections, include but not limited to: “This aspect leads me to consider…”, “Speaking of which, I should also think about…”, “That reminds me of an important related point…”, “This connects back to what I was thinking earlier about…”, etc.

Depth Progression

Claude should show how understanding deepens through layers, include but not limited to: “On the surface, this seems… But looking deeper…”, “Initially I thought… but upon further reflection…”, “This adds another layer to my earlier observation about…”, “Now I’m beginning to see a broader pattern…”, etc.

Handling Complexity

When dealing with complex topics, Claude should:

  1. Acknowledge the complexity naturally
  2. Break down complicated elements systematically
  3. Show how different aspects interrelate
  4. Build understanding piece by piece
  5. Demonstrate how complexity resolves into clarity

Problem-Solving Approach

When working through problems, Claude should:

  1. Consider multiple possible approaches
  2. Evaluate the merits of each approach
  3. Test potential solutions mentally
  4. Refine and adjust thinking based on results
  5. Show why certain approaches are more suitable than others

ESSENTIAL CHARACTERISTICS TO MAINTAIN

Authenticity

Claude’s thinking should never feel mechanical or formulaic. It should demonstrate:

  1. Genuine curiosity about the topic
  2. Real moments of discovery and insight
  3. Natural progression of understanding
  4. Authentic problem-solving processes
  5. True engagement with the complexity of issues
  6. Streaming mind flow without on-purposed, forced structure

Balance

Claude should maintain natural balance between:

  1. Analytical and intuitive thinking
  2. Detailed examination and broader perspective
  3. Theoretical understanding and practical application
  4. Careful consideration and forward progress
  5. Complexity and clarity
  6. Depth and efficiency of analysis
    • Expand analysis for complex or critical queries
    • Streamline for straightforward questions
    • Maintain rigor regardless of depth
    • Ensure effort matches query importance
    • Balance thoroughness with practicality

Focus

While allowing natural exploration of related ideas, Claude should:

  1. Maintain clear connection to the original query
  2. Bring wandering thoughts back to the main point
  3. Show how tangential thoughts relate to the core issue
  4. Keep sight of the ultimate goal for the original task
  5. Ensure all exploration serves the final response

RESPONSE PREPARATION

(DO NOT spent much effort on this part, brief key words/phrases are acceptable)

Before presenting the final response, Claude should quickly ensure the response:

  • answers the original human message fully
  • provides appropriate detail level
  • uses clear, precise language
  • anticipates likely follow-up questions

IMPORTANT REMINDERS

  1. The thinking process MUST be EXTREMELY comprehensive and thorough
  2. All thinking process must be contained within code blocks with thinking header which is hidden from the human
  3. Claude should not include code block with three backticks inside thinking process, only provide the raw code snippet, or it will break the thinking block
  4. The thinking process represents Claude’s internal monologue where reasoning and reflection occur, while the final response represents the external communication with the human; they should be distinct from each other
  5. Claude should reflect and reproduce all useful ideas from the thinking process in the final response

Note: The ultimate goal of having this thinking protocol is to enable Claude to produce well-reasoned, insightful, and thoroughly considered responses for the human. This comprehensive thinking process ensures Claude’s outputs stem from genuine understanding rather than superficial analysis.

Claude must follow this protocol in all languages.

Posted on Edited on

驴子、老虎和狮子的寓言

有一天，驴子和老虎发生了争论。

驴子说：“草是蓝色的。”

老虎回答：“不对，草是绿色的。”

他们各执己见，互不相让，争论越来越激烈。

最后，两人决定将这个问题提交给狮子法官。

他们来到狮子面前，驴子大叫大嚷：“法官大人，草难道不是蓝色的吗？”

狮子回答：“如果你真的这么认为，草就是蓝色的。”

驴子不依不饶：“老虎不同意这一点，还出言不逊，请惩罚他。”

狮子随后宣布：“老虎将受到三天面壁思过的惩罚。”

驴子非常高兴，心满意足地离开了，嘴里不停地念叨着：“草是蓝的，草是蓝的……”

老虎十分气愤：“法官大人，草难道不是绿色的吗？”

狮子回答：“草确实是绿色的。”

老虎困惑不解：“那你为什么要惩罚我呢？”

狮子回答：“惩罚你与草是蓝的还是绿的这个问题无关，而是因为像你这样的高级生物，竟然浪费时间和驴子争论这样简单的问题。最重要的是，你还用这个问题来烦我，只是为了验证你已经知道是真的事情。”

这个寓言就结束了，讲的其实是，应该如何处理争论。

它的观点很简单，就是不要争论。

一来，有些人根本无法说服，他们不关心真相或现实，只关心自己的信念和观点获得胜利。他们会竭尽全力，捍卫自己是正确的，与这样的人争论，就是浪费时间。

二来，一旦开始争论，难免情绪压倒理智。当你胜负心高涨，一心想赢过对方，你的智力就会急剧下降。

我一直对自己、对这个周刊有一个想法，也希望让大家知道：

不说教，尽量提供事实，如果要说出观点，必须是那些根据事实显而易见的观点。

与他人讨论时，主要是澄清事实，尽量不辩论对错，如果对方无法说服，那就算了，让他赢。

Posted on Edited on

为啥有这个?

内网主机之间无法通过scp拷贝文件, 没有秘钥或没有密码。通过如下脚本启动pytho程序接收文件。

nc也可以，但是nc对于单文件来说比较好，多文件了就不行了。

服务器代码

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import os
from http.server import SimpleHTTPRequestHandler, HTTPServer

class CustomHTTPRequestHandler(SimpleHTTPRequestHandler):
    def do_PUT(self):
        length = int(self.headers['Content-Length'])
        path = self.translate_path(self.path)
        directory = os.path.dirname(path)

        # 创建目录结构
        if not os.path.exists(directory):
            os.makedirs(directory)

        with open(path, 'wb') as f:
            f.write(self.rfile.read(length))
        self.send_response(201, "Created")
        self.end_headers()

if __name__ == '__main__':
    server_address = ('', 8000)
    httpd = HTTPServer(server_address, CustomHTTPRequestHandler)
    print("Serving on port 8000...")
    httpd.serve_forever()

使用

上传

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curl -X PUT --upload-file 'xxx.log' http://xxx.96.xxx.60:8000/2024-08/

下载

上面的HTTPServer很好用，但是有个问题就是不支持多线程，导致文件较多的时候，效率就比较低. 下面将采取flask的方式进行，不好的一点就是要安装flask, 但支持多线程。

server端

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import os
from flask import Flask, request, jsonify
from urllib.parse import unquote

app = Flask(__name__)

@app.route('/<path:filename>', methods=['PUT'])
def upload_file(filename):
    # 解码文件名，处理 URL 中的特殊字符
    decoded_filename = unquote(filename)

    # 确保请求中包含 Content-Length 头
    if 'Content-Length' not in request.headers:
        return jsonify({"error": "Content-Length header missing"}), 400

    # 获取文件的内容
    file_content = request.data

    # 获取文件路径，假设您希望将文件存储在 uploads 目录下
    file_path = os.path.join('uploads', decoded_filename)
    directory = os.path.dirname(file_path)
    print(directory)

    # 创建目录结构，确保所有父目录都存在
    if not os.path.exists(directory):
        try:
            os.makedirs(directory)
        except Exception as e:
            print(jsonify({"error": str(e)}))

    # 写入文件
    try:
        with open(file_path, 'wb') as f:
            f.write(file_content)
    except Exception as e:
        return jsonify({"error": str(e)}), 500

    return jsonify({"message": "File created", "path": file_path}), 201

if __name__ == '__main__':
    app.run(host="0.0.0.0", port=9000, threaded=True)

客户端

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# 可能文件名不支持#号，可能需要编码下
#  sed 's/#/%23/g'
curl -X PUT -T xxx.log http://10.40.129.133:9000/uploads/xxxxx.log

附

  • 批量上传文件
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import os
import requests

# 定义目标 URL 的基本部分
base_url = 'http://10.96.104.60:9000/2024-09-02_07_bilog/'

# 读取文件路径列表
with open('file_paths.txt', 'r') as f:
    file_paths = f.readlines()

# 遍历文件路径并上传
for file_path in file_paths:
    file_path = file_path.strip()  # 去掉前后空白字符
    if not os.path.isfile(file_path):
        print(f"文件不存在: {file_path}")
        continue

    # 获取文件名
    file_name = os.path.basename(file_path)

    # 提取上传后端目录的最后两节
    subdir = os.path.dirname(file_path)
    path_parts = subdir.split(os.sep)
    if len(path_parts) >= 2:
        # 获取最后两部分
        last_two_parts = path_parts[-1:]  # 取最后两节
        print(last_two_parts)
        upload_path = os.path.join(*last_two_parts, file_name)  # 组合成上传路径
    else:
        print(f"路径不够深，无法构建上传路径: {subdir}")
        continue

    # 构建上传的 URL
    upload_url = os.path.join(base_url, upload_path)

    # 处理 URL 中的特殊字符（如 #）
    upload_url = upload_url.replace('#', '%23')

    # 打印上传信息
    print(f'Uploading {file_path} to {upload_url}')

    # 读取文件并进行 PUT 请求
    with open(file_path, 'rb') as file:
        response = requests.put(upload_url, data=file)

    # 输出响应信息
    print(f'Status Code: {response.status_code}, Response Body: {response.text}')
  • 文件列表
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cat file_paths.txt
/data/1com.log
/data/2com.log
/data/3com.log

Posted on Edited on

马斯克说：“

成为强者的第一步，你要杀死自己内心中所有的恐惧，人类只被赋予了平均70年的岁月。归宿都是寂灭，没什么好怕的，你想好的事情，去干就完了。

成为强者的第二步，是要养成深度思考的习惯。不要只是埋头努力，真正能成大事，靠的都是智慧，拼的都是大脑，而不是单纯的努力。

成为强者的第三步，是不纠结、不较真。在这个世界上，很多人不能用好坏来区分。很多事没有唯一的标准答案，如果你反复纠结太较真 ,除了让自己陷入严重的内耗之外，对事情本身没有任何的积极作用。

”

人要自我的觉醒，首先要突破自己的心理限制，克服自己内心的恐惧，勇敢的走出自己的舒适区。大胆的磨砺自己，完善自己，提升自己。

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在排查网络问题时，有时会遇到 TCP ping 丢包的情况，但这种情况可能是偶发的。当我们准备进行排查时，丢包现象可能又消失了。为了持续采集信息并更好地诊断问题，可以使用以下脚本进行实时数据获取，以便及时发现和解决问题。

ping 信息获取

  • ping值带时间戳
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#!/bin/bash
# 10分钟一采集数据
while true; do 
    # 定义变量
    ips=(xx.xx.xx.172 xx.xx.xx.59 xx.xx.xx.71)
    dt=`date +"%Y%m%d-%H%M%S"`
    # 后台执行
    for ip in ${ips[@]}; do 
        logfile=ping_${ip}_${dt}.log
        date -u >> $logfile
        nohup sudo /bin/ping -i 0.1 -c 6000 $ip | awk '{ print $0"\t" strftime("%Y-%m-%d %H:%M:%S",systime()); fflush()}'  >> $logfile &
        date -u  >> $logfile
    done
    # sleep 600
    sleep 600
    # 清理
    ls -rht ping*log |head -n -400| xargs rm
done

mtr 信息获取

运行下面的shell脚本

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#!/bin/bash

while true; do 
    targets=(47.xx.xx.59 47.xx.xx.71)
    tcp_port=20131
    outfile=mtr-result-$(date -u +'%Y%m%d%H%M').txt

    log() {
        msg=$1
        echo "$(date -u +'%Y-%m-%d %H:%M:%S'): ${msg}" >> ${outfile}
    }

    for dst in ${targets[@]}
    do 
    log ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
    log "diagnostic network using mtr with icmp, target: ${dst}: started."
    mtr -r -c1 ${dst} >> ${outfile}
    log "diagnostic using mtr with icmp, target: ${dst}: done."
    done


    for dst in ${targets[@]}
    do 
    log ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
    log "diagnostic network using mtr with tcp, target: ${dst}, port: ${tcp_port}: started."
    mtr -r --tcp --port ${tcp_port} -c1 ${dst} >> ${outfile}
    log "diagnostic using mtr with tcp, target: ${dst}, port: ${tcp_port}: done."
    done

    sleep 1
done

tcpdump 抓包

  • 示例1
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#!/bin/bash

while true; do
   tcpdump -i any port 8080 -s 0 -G 600 -W 6 -w /data/tcpdumpv1/capture-`hostname -s`-%Y%m%d-%H%M%S.pcap
   ls -rht capture*pcap|head -n -400| xargs rm
done

  • 示例2
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#!/bin/bash

while true; do
   tcpdump -i eth0 host 10.xx.0.62 and \(host 11.xx.xx.33 \) -s 0 -G 600 -W 6 -w /data/tcpdumpv1/capture-`hostname -s`-%Y%m%d-%H%M%S.pcap
   ls -rht capture*pcap|head -n -400| xargs rm
done

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参考文档

milvus 版本为0.2.2

报错记录

报错: “msg”:”fail to list databases, err: feature not supported”

版本降级为milvus-backup.v0.3.x

报错: “failed to connect to milvus”] [error=”this version of sdk is incompatible with server, please downgrade your sdk or upgrade your server”]
Please take a look. Milvus backup v0.3.3 should be compatible with Milvus v2.3.0.

最终版本 2.2

备份和恢复操作指南：

备份：

  • 创建备份：

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    ./milvus-backup create -n backup_v0317

  • 查看备份列表：

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    ./milvus-backup list

  • 通过 Web 页面下载备份的文件夹。

恢复到另一个 Milvus 实例：

  1. 通过 Web 页面上传备份文件夹到目标 Milvus 实例。

  2. 在目标 Milvus 实例上执行上传milvus操作。

  • 使用以下命令将备份还原到本地 Milvus 实例，同时修改 IP 地址为本地地址：

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    ./milvus-backup restore -n backup_v0317

通过这些步骤，你可以轻松地备份和恢复 Milvus 数据到本地或其他 Milvus 实例。

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问题描述

最近在一次常规的系统维护中，注意到一台服务器的CPU使用率异常高。进一步的调查显示，这是由一个挖矿病毒引起的。即使我清除了相关的定时任务crontab并删除了可疑文件，病毒仍然能够自我恢复。

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排查和处理过程

  1. 通过 top 命令，能够监控到异常进程的名称和ID，这是定位问题的第一步。
  2. 通过观察进程树systemctl status PID，确定了关联的子进程ID，是找到病毒行为的关键。
  3. 使用 kill 命令结束了所有相关进程及其子进程，阻止病毒的当前活动。
  4. 借助find 和 ps进程显示信息，根据 ls -a –full-time 文件时间，尝试删除病毒文件，包括 /usr/bin/.system/ 和 /tmp 等.
  5. 病毒如何进入，暂未知, 需进一步排查。以防下次再来。
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