Troubleshooting of common Linux systems

Preface O & M personnel often encounter various types of system faults. How to lock the root cause of the problem based on the fault characteristics requires not only skills, but also ideas and internal understanding of the system in case of faults,

Copy and delete files in Python OS. path and shutil modules

We mainly use the OS. path and shutil modules to copy and delete files. You can modify the relevant code as needed. #! /Usr/bin/env python #-*-coding: UTF-8-*-import OS. path import shutil import time, datetime def copyFiles (sourceDir, targetDir):

SET operations in Python

Similar to other languages, python set is a disordered, non-repeating element set. Its basic functions include link testing and deduplication. the Set object also supports mathematical operations such as union, intersection, difference, and

Check the Data Consistency of master-slave important tables in the mysql database.

It is not difficult to master and slave mysql databases, but the consistency of master and slave data is very important. This script is used to roughly check the data consistency of the master and slave important tables of mysql databases, mainly in

Routine O & M procedures and specifications for linux

Objective: to ensure the normal operation of the operating server on a 7x24 basis Workflow: 1. Monitor the current connection status of the server load, web, and image servers on the nginxstatus page. nagios monitors the indicators of all items on

Python game server automatically updates scripts

This script is used to automatically update the game server. The main process is to put the configuration files of the update package and script in the center. The client of the branch data center downloads the update package from the center, verify

Python reads and writes the serial port through pyserial

Because there is a project that requires asset management using active RFID, you need to use python to read the serial content of the card reader. Therefore, the pyserial module is installed, which makes it easy to use and sort out common functions.

Enterprise it o & M requires a comprehensive layout

Although choosing an it o & M management system has long been a topic of concern to domestic users, there are still many restrictions on the selection of an O & M management system.Consider the problem from another angle, starting from the

Seven Weapons for programmers in the information society

Although the development of information technology is not long, the explosive development speed of it enables it to quickly cover all corners of society and human life. Programmers are one of the witnesses of this wave of information technology, and

In-depth analysis of python Chinese garbled characters

In this article, we will explain all the problems with 'har' as an example. The various encodings of 'har' are as follows: 2. UNICODE (UTF8-16), C854; 2. UTF-8, E59388; 3. GBK, B9FE.1. str and unicode in python For a long time, Chinese encoding in

Technical Features of Lua

Currently, the latest version of Lua is 5.2 Beta. Lua can also provide good support for Object-Oriented Programming, functional programming, and data-driven programming. As an Extended Language, Lua does not have the concept of a "main" program: it

Linux System Optimization-Practice

As a linux system administrator, the main task is to optimize system configuration so that applications can run in the optimal state on the system, however, due to the complexity and variability of hardware, software, and network environments, the

Overview of the latest tools for common software in Internet companies' linux O & M scenarios

Original Name: Free Open Source Software frequently used by old boys in recent yearsRenamed as: A list of commonly used software tools for linux O & M production scenarios of Internet companies, and added some commonly used but not open source

10 Linux distributions with special purposes

There are many Linux releases. In addition to the popularity of the releases, you can also pay attention to the specific usage of the releases, maybe the release is exactly what you need on another occasion. Today, we will share with you 10 Linux

Download the Linux kernel 3.12.3 official version

Today, Greg Kroah-Harman announced the release of the third maintenance version of Linux Kernel 3.12. You can download the update now. Linux Kernel 3.12.3 is a major version update, including a large number of driver upgrades and Architecture (AMR,

O & M pen questions

I posted a written question for an O & M engineer from a company this afternoon and provided it for your reference (the answer will be answered later). I found someone copied my content and did not indicate the source, no more. 1. What does the

Ten free latest Web stress testing tools

This article lists ten free tools that can be used for Web load/stress testing. In this way, you can know the concurrency and website performance of your server and your WEB application. 0. Grinder-Grinder is an open-source JVM load testing

How to introduce your O & M project during the interview

If you are a professional with O & M experience, when you go to an interview, the interviewer will naturally ask what project you have done, let you describe in detail a fault that has been handled in your work? This seems simple, but many

Three predictions about Linux in 2014

2014Linux Kernel Prediction The development speed of Linux kernel is amazing. ForLinux3.2-Linux 3.9 kernel cycle: · Contributions from over 1100 developers, including individuals and over 225 companies · 70-day release cycle · 10000 patches are

Disable UEFI on Win8 to install Linux

Abstract: If you have purchased a computer preinstalled with Windows, Windows 8 or Windows 8.1. Microsoft has replaced BIOS with UEFI since Windows 8. Although UEFI was not invented by Microsoft, it existed before Windows 8. For example, some Mac

Total Pages: 5467 1 .... 4424 4425 4426 4427 4428 .... 5467 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.