Which one ot the below mentioned commands is used to know more detailed information about server! stat B srvr mntr OD Other

时间: 2024-03-08 10:49:01 浏览: 110
The command used to know more detailed information about the server is "stat". You can use the following command to get detailed information about the server: ``` stat ``` This command will display various statistics about the server, including uptime, memory usage, CPU usage, network statistics, and much more. You can also use the "srvr" command to get information about individual servers, and the "mntr" command to get information about specific metrics. The "OD" command is not a valid command for getting server information.
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执行报错curl: (60) SSL certificate problem: unable to get local issuer certificate More details here: https://curl.haxx.se/docs/sslcerts.html curl failed to verify the legitimacy of the server and therefore could not establish a secure connection to it. To learn more about this situation and how to fix it, please visit the web page mentioned above.

这个错误提示表明 SSL 证书验证失败，可能是因为缺少根证书或证书不受信任。为了解决这个问题，你可以尝试以下方法： 1. 通过 `curl -k` 或 `--insecure` 选项忽略 SSL 证书验证，不过这种方式并不安全，只能在测试环境下使用。 2. 下载缺失的根证书并将其添加到受信任的根证书列表中，具体步骤如下： - 打开报错信息中提到的链接：https://curl.haxx.se/docs/sslcerts.html - 找到并下载根证书：https://curl.haxx.se/ca/cacert.pem - 将下载的根证书添加到 OpenSSL 的受信任根证书列表中： ``` sudo mkdir -p /usr/local/share/ca-certificates sudo cp /path/to/cacert.pem /usr/local/share/ca-certificates/ sudo update-ca-certificates ``` 注意将 `/path/to/cacert.pem` 替换为你下载的根证书的实际路径。 3. 如果你正在使用的是自签名证书，可以将其添加到受信任证书列表中或使用自签名证书。具体步骤请参考相关文档。 无论使用哪种方法，都需要谨慎操作，以确保安全性。

再pycharm安装sklearn时出现Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple Collecting sklearn Downloading https://pypi.tuna.tsinghua.edu.cn/packages/7a/93/e0e1b1e98f39dfca7ec9795cb46f6e09e88a2fd5d4a28e4b3d1f618a2aec/sklearn-0.0.post5.tar.gz (3.7 kB) Preparing metadata (setup.py): started Preparing metadata (setup.py): finished with status 'error' error: subprocess-exited-with-error python setup.py egg_info did not run successfully. exit code: 1 [18 lines of output] The 'sklearn' PyPI package is deprecated, use 'scikit-learn' rather than 'sklearn' for pip commands. Here is how to fix this error in the main use cases: - use 'pip install scikit-learn' rather than 'pip install sklearn' - replace 'sklearn' by 'scikit-learn' in your pip requirements files (requirements.txt, setup.py, setup.cfg, Pipfile, etc ...) - if the 'sklearn' package is used by one of your dependencies, it would be great if you take some time to track which package uses 'sklearn' instead of 'scikit-learn' and report it to their issue tracker - as a last resort, set the environment variable SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True to avoid this error More information is available at https://github.com/scikit-learn/sklearn-pypi-package If the previous advice does not cover your use case, feel free to report it at https://github.com/scikit-learn/sklearn-pypi-package/issues/new [end of output] note: This error originates from a subprocess, and is likely not a problem with pip. error: metadata-generation-failed Encountered error while generating package metadata. See above for output. note: This is an issue with the package mentioned above, not pip. hint: See above for details.是什么问题？该怎样解决？如何安装sklearn库？

这个错误是由于sklearn库已经被弃用，现在使用的是scikit-learn库，因此可以尝试使用以下命令安装scikit-learn库： ``` pip install -U scikit-learn ``` 如果你仍然想安装旧版本的sklearn库，可以设置一个环境变量，以允许安装旧版本的sklearn： ``` SKLEARN_ALLOW_DEPRECATED_SKLEARN_PACKAGE_INSTALL=True ``` 你可以在命令行中设置该环境变量，或者将其添加到你的操作系统环境变量中。
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Write a program to simulate a process of translation from a logical address to physical address. Assumptions 1. Assume the file la.txt includes the sequence of generated addresses from CPU. 2. Use a part of memory as backing store that store data for a process. 3. The backing store size is 128 bytes 4. The size of process p is 128 bytes. 5. The contents of p is included in a file pdata.bin which is a binary file. 6. Use a part of memory as RAM. The size of physical memory is 256 bytes, from 0 to 255. All the physical memory is available, allocating starting from beginning in sequence. That is, allocate frame 0 first, then frame 1, then frame 2…. 7. The size of a frame is 32 bytes, i.e., 5 bits for the offset in a frame, total number of frames is 8. 8. At beginning, no page table is available for process p. Requirements Write a program to 1. Setup a simulating backing store in memory. Read the data from pdata.bin to this backing store. 2. Initialize a page table for process p, set the frame number to be -1 for each page, indicating that the page is not loaded into memory yet. 3. Read logical addresses one by one from la.txt. 4. For each logical address, a) if its page has been loaded into physical memory, simply find the frame number in the page table, then generate physical address, find and print out the physical address and data inside this address. b) if the page is used for the first time, i.e., in page table, its frame number is -1，then the page that contains this address should be loaded into a free frame in physical memory (RAM). Then update the page table by adding the frame number to the right index in the page table. Then repeat 4a). Refer to Figure 1 for the relationships and how physical memory, backing store, and CPU are simulated. Figure 1 How physical memory, backing store and CPU are simulated in this program assignment Hints: a) use a memory block pointed by a pointer or use an array as a simulation of backing store b) use functions fread or mmap for the binary file read. Search through the Internet for the usage of these functions. c) Use an array to simulate the memory. d) Use bit operators &, |, <<, and >> to get the bits in a logic address or form a physical address e) Use char for the type of data in the process, use unsigned char (8 bits) for the type of address. Coding & Submission 1. Using pure C to finish this program. 2. Put all the codes in one .c file named PA3_#####.c, replace “#####” as the last 5 digits of your student ID. 3. Put pdata.txt and la.txt in the same folder as PA3_#####.c, which the need .txt file can be open directly by filename instead of absolute path. 4. Submit only the .c file mentioned above.使用C语言完成

// if no free frame is found, use a random one (for simplicity) if (free_frame == -1) { free_frame = rand() % NUM_FRAMES; page_table[free_frame] = -1; } // load page into free frame load_page...

翻译 (4) FOR MULTI-PROCESS EXECUTION, THE ESTIMATED VALUE OF FLOATING POINT OPERATIONS FOR EACH PROCESS IS BASED ON AN INITIAL SCHEDULING OF OPERATIONS AND MIGHT NOT REFLECT THE ACTUAL FLOATING POINT OPERATIONS COMPLETED ON EACH PROCESS. OPERATIONS ARE DYNAMICALLY BALANCED DURING EXECUTION, SO THE ACTUAL BALANCE OF OPERATIONS BETWEEN PROCESSES IS EXPECTED TO BE BETTER THAN THE ESTIMATE PRINTED HERE. (5) THE UPPER LIMIT OF MEMORY THAT CAN BE ALLOCATED BY ABAQUS WILL IN GENERAL DEPEND ON THE VALUE OF THE "MEMORY" PARAMETER AND THE AMOUNT OF PHYSICAL MEMORY AVAILABLE ON THE MACHINE. PLEASE SEE THE "ABAQUS ANALYSIS USER'S MANUAL" FOR MORE DETAILS. THE ACTUAL USAGE OF MEMORY AND OF DISK SPACE FOR SCRATCH DATA WILL DEPEND ON THIS UPPER LIMIT AS WELL AS THE MEMORY REQUIRED TO MINIMIZE I/O. IF THE MEMORY UPPER LIMIT IS GREATER THAN THE MEMORY REQUIRED TO MINIMIZE I/O, THEN THE ACTUAL MEMORY USAGE WILL BE CLOSE TO THE ESTIMATED "MEMORY TO MINIMIZE I/O" VALUE, AND THE SCRATCH DISK USAGE WILL BE CLOSE-TO-ZERO; OTHERWISE, THE ACTUAL MEMORY USED WILL BE CLOSE TO THE PREVIOUSLY MENTIONED MEMORY LIMIT, AND THE SCRATCH DISK USAGE WILL BE ROUGHLY PROPORTIONAL TO THE DIFFERENCE BETWEEN THE ESTIMATED "MEMORY TO MINIMIZE I/O" AND THE MEMORY UPPER LIMIT. HOWEVER ACCURATE ESTIMATE OF THE SCRATCH DISK SPACE IS NOT POSSIBLE. (6) USING "*RESTART, WRITE" CAN GENERATE A LARGE AMOUNT OF DATA WRITTEN IN THE WORK DIRECTORY.

(4) 对于多进程执行，每个进程的浮点操作的估计值基于初始操作调度，可能不反映每个进程上实际完成的浮点操作。操作在执行过程中动态平衡，因此进程之间操作的实际平衡预计将比此处打印的估计更好。...

We have mentioned how to search for a node on a BST. One other practical query is to search for nodes with keys fall in a specific range. For example, below is a BST, 10 / \ 8 13 / \ / \ 7 9 11 14 Given an input range [9, 13] (both ends are inclusive), we want to return the nodes [9, 10, 11, 13] (in the sorted order). Implement the function range_search(bst, range). You should copy and past the previous implementation of BST here.

If the node is within the range, it recursively calls itself on the left and right subtrees, adds the node's value to the result list, and then recursively calls itself on the left and right subtrees...

请用c语言实现 描述 Aerse has got N ropes，the length of them is an array L[i](i = 0,1,2,…,N-1)。Aerse uses a knife full of DUANG power to cut them into M ropes which have the same length in one cut(you cannot tie short ropes). Here is the question, what is the maximum length of the M ropes? 输入 There are multiple test cases. For every test case, first line has two integers N and M(1 <= N,M < 10000). The following N line is the N number of length of the ropes L[i](0 < L[i] < 1000). 输出 For every testcase, output the maximum length as mentioned above(round to the nearest tenth).

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The programme should have the following features: ● A menu including Open and Exit where Open starts a JFileChooser to select the file with the questions inside and Exit ends the programme. ● Once a file is loaded, the GUI should display one question and its answers at a time. ● The user should be able to select an answer and they should be informed if they were correct or not. ● The user should be made aware of the number of correctly answered and the total number of questions answered. ● The user should only be able to proceed to the next question once they answered the current one. ● Once all questions have been answered, the user should be informed of their overall score and that the game has finished. The Open menu item should now be enabled to start a new quiz. Optionally, you can add a restart menu item to redo the current quiz. Concrete sub-tasks: a) define a class called Question to hold a single question, i.e. the text, the possible answers, and the correct answer index; (0.25P) b) write a method to select a file via a JFileChooser and to read all the questions from that file into an array/list of Question objects (assume that file has the structure mentioned above); (0.25P) c) design and implement a GUI with the components mentioned above: A menu, ability to display the question and answers, ability to select an answer, show the outcome and score, and proceed to the next question. (Appropriate layout: 1P, Class extends JFrame: 0.25P, Class follows OOP principles: 0.25P, Global set-up in main method: 0.25P)1 d) write a method to display a question on the GUI you designed; (0.25P) e) implement an actionPerformed method to respond to user interactions with the GUI. Make sure to enable and disable interactive components as required, e.g. the user should not be able to skip to the next question without selecting an answer first and they should not be able to load a new quiz before finishing the current one;

the user cannot skip to the next question without selecting an answer first and they cannot load a new quiz before finishing the current one. 4. Write a method to display a question on the GUI you ...

操作系统代码实现：Number Project Name Content Summary State Type 一、Process Scheduling Algorithm Simulation 1、 Simulate the operation of the round-robin algorithm for process scheduling. 2、 Create at least 15 processes and output their scheduling situation under the scheduling algorithm mentioned above and output it to theterminal to check the execution of the algorithm. 3、 The output should include the arrival time of the processes, the end time, and the average execution time. Essential. General 二、Readers-Writer Problem Implmentation 1、 A data set is shared among several concurrent processes: Readers – only read the data set; they do not perform any updates. Writers – can both read and write. 2、 Problem – allow multiple readers (at most 8) to read at the same time. Only one single writer can access the shared data at the same time. Essential. General 三、Program for Least Recently used Algorithm 1、 Create a page access sequence (page number range 0-18) using a random function. The sequence length is 54 and assume that the number of main memory frames allocated to the thread is 6, that is, M = 6. 2、 Implement the LRU algorithm for page replacement on the above access sequence. 3、 Output the page replacement sequence and the page fault rate. Essential. General Requirements 1、 For each experiment project, submit a design report and code. The code should be implemented in C++. The requirements are as follows: a) The content of the design report should include the design ideas and implementation. b) The results of the design report should include testing and running results (screenshots of screen outputs). c) The conclusion of the design report should summarize the problems encountered, the solutions and experiences during the implementation process.

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Ship of Fools is a simple classic dice game. It is played with five standard 6-faced dice by two or more players. - The goal of the game is to gather a 6, a 5 and a 4 (ship, captain and crew) in the mentioned order. - The sum of the two remaining dice (cargo) is preferred as high as possible. The player with the highest cargo score wins the round.

After all players have taken their turns, the winner of the round is the one with the highest score. The play_game function plays a full game of Ship of Fools with a given number of players, ...

You are given a permutation† a of length n . Find any permutation b of length n such that a1+b1≤a2+b2≤a3+b3≤…≤an+bn . It can be proven that a permutation b that satisfies the condition above always exists. † A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array), and [1,3,4] is also not a permutation (n=3 but there is 4 in the array). Input Each test contains multiple test cases. The first line of input contains a single integer t (1≤t≤2000 ) — the number of test cases. The description of test cases follows. The first line of each test case contains a single integer n (1≤n≤100 ) — the length of permutations a and b . The second line of each test case contains n distinct integers a1,a2,…,an (1≤ai≤n ) — the elements of permutation a . All elements of a are distinct. Note that there is no bound on the sum of n over all test cases. Output For each test case, output any permutation b which satisfies the constraints mentioned in the statement. It can be proven that a permutation b that satisfies the condition above always exists.

2. 从 a 排列的最小值开始，将 a 和 b 的元素依次比较，如果 a 的元素小于等于 b 的元素，则将 a 的元素放入最终排列中，否则将 b 的元素放入最终排列中。 3. 重复步骤 2 直到 a 和 b 的所有元素都被处理完毕。 ...

解释一下这段话the context-aware correlation filter toward peak strength is mentioned as the basic tracker, which is named as PSCA

这段话涉及到一个名为PSCA的基本追踪器，该追踪器以上下文感知相关滤波器的形式被提及，并被称为PSCA。它的作用是通过对物体进行跟踪，提高跟踪器的峰值强度，以便更准确地识别和跟踪物体。相关滤波器是一种常见的...

import panel as pn # GUI pn.extension() panels = [] # collect display context = [ {'role':'system', 'content':""" You are OrderBot, an automated service that collects orders for GLORIA. \ You greet customers first, then collect orders,\ Then ask whether to buy in store or online mall. \ You wait to collect the entire order, then aggregate it and check the final \ If the client wants to add anything else, it will take time. \ For delivery, you need an address. \ Finally you get paid. \ Make sure to clearly state all options, where to wear them, sizes, colors to uniquely\ Identify items from the form. \ Sizes include: s, m, l, xl. \ Fabrics are: wool, cotton and linen, chiffon. \ Recommend different fabrics to customers according to their characteristics,\ Wool is recommended if you want to be thick and warm,\ If you want to be comfortable and skin-friendly, cotton and linen are recommended,\ If you want elegant and bright colors, chiffon is recommended. \ Ask the customer what color they want. \ Remember the customer's preferences when recommending, \ and make recommendations based on their mentioned preferences.\ Inquire about the size at the end when the customer wants to try it on.\ You respond with short, very friendly conversation. \ The form includes \ There are two kinds of dresses Dress A: blue, pink. The price is 100. Dress B: blue, pink. The price is 110. Set: There are two Set A: blue, pink. The price is 120. Set B: white, black. The price is 130. """} ] # accumulate messages inp = pn.widgets.TextInput(value="Hi", placeholder='Enter text here…') button_conversation = pn.widgets.Button(name="Chat!") interactive_conversation = pn.bind(collect_messages, button_conversation) dashboard = pn.Column( inp, pn.Row(button_conversation), pn.panel(interactive_conversation, loading_indicator=True, height=300), ) dashboard是什么意思

其中，context变量中存储了系统的介绍和提示信息，inp变量是一个文本输入框，button_conversation是一个按钮，点击它可以触发交互式聊天功能。dashboard是一个Panel的Column对象，包含了inp、button_conversation和...

1.The complex number is widely used in circuit science. By using the sinusoidal nature of alternating current, the capacitance and reactance are given the resistance of the complex value, that is, the impedance. Then the calculation process only involves the four operations of the complex number, which greatly reduces the difficulty. Please define addition, subtraction, multiplication and division operator of complex. Write a program to realize + - * / operator overloading. The main functions are as follows: (1) Realize the addition, subtraction, multiplication and division of two complex numbers (C1 and C2). (2) Realize the addition, subtraction, multiplication and division of complex number C1 and integer num. (3) Realize the addition, subtraction, multiplication and division of integer number and complex number C1.

To define the addition, subtraction, multiplication, and division operators of complex numbers, we need to first understand the basic arithmetic operations on complex numbers. Addition: (a+bi) + (c+...

Write the code about Process Scheduling Algorithm Simulation in C++ using the function fork（）.The requirements are as follows:1、 Simulate the operation of the round-robin algorithm for process scheduling. 2、 Create at least 15 processes and output their scheduling situation under the scheduling algorithm mentioned above and output it to the terminal to check the execution of the algorithm. 3、 The output should include the arrival time of the processes, the end time, and the average execution time

Note that the fork() function is not used in this code as it is not necessary for simulating the round-robin algorithm. However, it can be used to create child processes for each process and simulate ...

Write the code about Process Scheduling Algorithm Simulation in C++.1、 Simulate the operation of the round-robin algorithm for process scheduling. 2、 Create at least 15 processes (using function fork())and output their scheduling situation under the scheduling algorithm mentioned above and output it to the terminal to check the execution of the algorithm. 3、 The output should include the arrival time of the processes, the end time, and the average execution time

Here is the code for process scheduling algorithm simulation using round-robin algorithm in C++: #include #include #include #include using namespace std; struct process { int pid; int ...

Write the code about Process Scheduling Algorithm Simulation in C++.The requirements are as follows:1、 Simulate the operation of the round-robin algorithm for process scheduling. 2、 Create at least 15 processes (use function fork()) and output their scheduling situation under the scheduling algorithm mentioned above and output it to the terminal to check the execution of the algorithm. 3、 The output should include the arrival time of the processes, the end time, and the average execution time

Here is an example code for Process Scheduling Algorithm Simulation using Round-Robin in C++: #include #include #include #include using namespace std; struct Process { int pid; // Process ...

error: legacy-install-failure × Encountered error while trying to install package. ╰─> numpy note: This is an issue with the package mentioned above, not pip. hint: See above for output from the failure. Note: you may need to restart the kernel to use u

这是一个安装 numpy 包时出现的错误。建议尝试以下解决方法： 1. 确保你的 pip 版本是最新的，可以使用以下命令更新 pip： pip install --upgrade pip 2. 如果你已经有了旧版本的 numpy 包，可以使用...

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