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  • The basic concept of cdn back-to-origin

    The basic concept of cdn back-to-origin

    Content distribution network (Content Delivery Network, referred to as CDN) is a distributed network, which is established and covered on the bearer network, and is composed of server groups of edge nodes distributed in different areas. CDN shares the pressure on the origin server, avoids network congestion and ensures that it is in different areas.

    Shulou · 2022-06-03 07:55
  • How do computer-based remote desktop tools connect to remote desktops?

    How do computer-based remote desktop tools connect to remote desktops?

    Sometimes your friend has a computer problem, but he is not around. At this time, you can remotely connect to your friend's computer to help him solve the problem, but it occasionally fails to connect to the computer remotely. So how are we going to solve it? let's take a look. First of all, you can use iis7 far.

    Shulou · 2022-06-03 07:55
  • Using LNMP architecture to build Discuz instance

    Using LNMP architecture to build Discuz instance

    Using LNMP architecture to build Discuz instance LNMP represents the website server architecture of Nginx+MySQL+PHP under the Linux system. Linux is the general name of a kind of Unix computer operating system, and it is the most popular free operating system. Generation

    Shulou · 2022-06-03 07:55
  • Physical bad area and logical bad area

    Physical bad area and logical bad area

    Before writing, I feel that this is like a prequel to an error code. when determining a hard disk failure (physical bad area or logical bad area), the first step is to have a hard disk physical examination, classify the damage category through the results of the physical examination, and then prescribe the right remedy according to the damage category. Through the preliminary physical examination, two kinds of injuries were identified: hard injury and soft injury. Let's start with the damage of the hard drive.

    Shulou · 2022-06-03 07:55
  • "docker practical articles" python's docker- Douyin web data crawling (19)

    Original articles, welcome to reprint. Reprint please indicate: reproduced from IT Story Association, thank you! Original link address: "docker practical articles" python's docker- Douyin webside data crawl (19) Douyin crawl actual combat, why not crawl data? For example, there is an Internet

    Shulou · 2022-06-03 07:55
  • Deploy mailbox database server

    Deploy mailbox database server

    1. Mailbox database server prerequisites before deploying a mailbox server, it is recommended to make the following preparations: install .net Framework4.7.2 or later. (since the system is 2019, this version can be omitted) install Visual C++ Redi

    Shulou · 2022-06-03 07:55
  • JDK

    JDK

    Install the OpenJDK that comes with the tomcat system and the related java file ②. Type: rpm-qa | grep java in the command window to delete java-1.7.0-openjdk-1.7.0.111-2.

    Shulou · 2022-06-03 07:55
  • Code for simple implementation of java large object access

    Code for simple implementation of java large object access

    To treasure some pieces of content that are often used in the development process, the following information is about the simple implementation of java large object access. Package info.itlanguageexpress.LargeObject;import java

    Shulou · 2022-06-03 07:55
  • 02-prepare the lab environment-002-install-Windows Server 2019 Core- Standard Edition

    02-prepare the lab environment-002-install-Windows Server 2019 Core- Standard Edition

    "practical training for Systems Engineers"-02-preparing Experimental Environment (batch cloning)-002-installation-Windows Server 2019 Core- Standard Edition author: learning endless QQ Communication Group: 4545440141. Open-VMware

    Shulou · 2022-06-03 07:55
  • Centos7 installs kubernetes cluster

    Centos7 installs kubernetes cluster

    Https://kubernetes.io/docs/getting-started-guides/centos/centos_manual_config/

    Shulou · 2022-06-03 07:55
  • Nginx permission problem

    Nginx permission problem

    Nginx was installed on the virtual machine yesterday. Activate the POSIX permission, change the location under / etc/nginx/nginx.conf to the gen root directory defined by yourself, and always be unable to connect and display 403 information. Step by step to view the folder where the default root file is located

    Shulou · 2022-06-03 07:55
  • Create a virtual hard disk using starwind and automatically mount it to centOS7 when it is booted

    Create a virtual hard disk using starwind and automatically mount it to centOS7 when it is booted

    Objective: to create a starwind virtual disk in the windows_server_2008_r2 system and mount it in / mnt in centOS7. Tool: windows_server2008_r2.iso, click the download link

    Shulou · 2022-06-03 07:55
  • Enter China SharePoint Saturday, Technology Carnival Feast

    Enter China SharePoint Saturday, Technology Carnival Feast

    Blog: https://blog.51cto.com/13969817 is honored to join Office 365Apps and Services MVP: Liu Junzhe to attend S at Microsoft headquarters in Beijing on June 29th, 2019.

    Shulou · 2022-06-03 07:55
  • Use proxy ccproxy to set up outlook2013 to receive QQ Mail (IMAP-SMTP mode)

    Use proxy ccproxy to set up outlook2013 to receive QQ Mail (IMAP-SMTP mode)

    QQ Mail starts the mailbox service, generates the authorization code and stores it (use it for a moment = mailbox login password). Ccproxy has to uncheck the email and set the port mapping of imap.qq.com,smtp.qq.com! Outlook configuration here player dynamic settings-POP or

    Shulou · 2022-06-03 07:55
  • A preliminary understanding of computer Network

    A preliminary understanding of computer Network

    First, the concept of computer network: a computer network is a collection of elements that connect more than two computers by cable, telephone line or wireless communication: network node: end node: refers to the source and destination node forwarding node: refers to the node communication link that controls and transmits information in the process of network communication: transmitting information.

    Shulou · 2022-06-03 07:55
  • Install docker

    Install docker

    The basic requirement for using docker is that the kernel version must be above 3.10 https://download.docker.com/linux/centos/7/x86_64/stable/Packages/ to create yum source: [

    Shulou · 2022-06-03 07:54
  • Using Haproxy to build web Cluster

    Using Haproxy to build web Cluster

    Common web Cluster Scheduler at present the common web cluster scheduler is divided into software and hardware, the software usually uses open source LVS,Haproxy,Nginx, the hardware generally uses F5, and many people use some domestic products, such as barracuda, Green Alliance and other Hapr.

    Shulou · 2022-06-03 07:54
  • Cluster environment analysis and deployment (basic)

    Cluster environment analysis and deployment (basic)

    Cluster concept: a model in which two or more service entities coordinate and cooperate to complete a series of work as a whole. Feature allocation user request failover shared storage structure: agent load scheduler business layer server pool storage shared storage 1. Expand vertically to the same design

    Shulou · 2022-06-03 07:54
  • Solr5.5.5 standalone deployment (without using tomcat)

    Solr5.5.5 standalone deployment (without using tomcat)

    As a client, solr does not have to rely on tocmat since version 5. I downloaded solr 5.5.5 on its own. After downloading solr, the directory is as follows: my win7 system, enter the current directory from cmd, execute the command: bin\ sol

    Shulou · 2022-06-03 07:54
  • Detailed explanation of Docker-Compose template file parameters

    Detailed explanation of Docker-Compose template file parameters

    The preface template file is the core of using compose, which involves many instruction keywords, but most of the parameters related to docker run have the same meaning. The default template file name is docker-compose.yml, which is in yaml format, as shown in

    Shulou · 2022-06-03 07:54