Get the App
  • High performance distributed storage Lustre

    High performance distributed storage Lustre

    In recent years, distributed storage has entered the storage market because of its high performance and high availability. In addition to commercial products, open source distributed storage software is more popular, with Lustre, CephFS and GlusterFS as typical representatives. 1. About Lustre is an open source

    Shulou · 2022-06-03 03:06
  • Example of PowerShell while Loop statement

    Example of PowerShell while Loop statement

    $response = "" while ($response-ne "QUIT") {$response = Read-Host "Type something"} < # Type something: a

    Shulou · 2022-06-03 03:06
  • The impact of two domain names pointing to the same ip on website optimization

    The impact of two domain names pointing to the same ip on website optimization

    Many novice SEOER consult our customer service staff to bind a domain name to the host to provide a unique identity for the search engine, so as to facilitate website inclusion and ranking. If I bind two or more domain names to one host at the same time, won't there be multiple websites participating in the ranking at the same time? The two domain names point to the same

    Shulou · 2022-06-03 03:06
  • OSI Model-physical layer

    OSI Model-physical layer

    First, the physical layer establishes, maintains and disconnects the physical connection, defines the interface and media, and realizes the transmission of the bit stream. 1 signal (1) information (2) data: (3) signal: the medium of information transmission (4) signal classification: analog signal: continuously changing physical quantity. Digital signals: discontinuous physical quantities

    Shulou · 2022-06-03 03:06
  • [personal test is valid] Home page lock artifact, my mother no longer has to worry about my computer browser home page being hijacked and tampered with.

    [personal test is valid] Home page lock artifact, my mother no longer has to worry about my computer browser home page being hijacked and tampered with.

    After downloading some software or reinstalling the system on the Internet, many friends found that the browser home page was locked, no matter how to modify it, and even the antivirus software could not take it. This time, it gave everyone a home page lock artifact that was tested by yourself. solve the home page problem safely. Note: the home page lock artifact will appear.

    Shulou · 2022-06-03 03:06
  • Makefile(08)_ creates a professional compilation environment

    Makefile(08)_ creates a professional compilation environment

    20. Create a professional compilation environment (1) _ module Makefile design 20.0. Project structure of experimental materials: please fill in the contents of each document. 20.1. Directory structure of large projects (no third-party libraries) 20.2. The project architecture design analysis project is divided into different

    Shulou · 2022-06-03 03:05
  • Win7 D disk is gone: DiskGen encountered an error in assigning drive letter (00000002) the system could not find the specified file

    Win7 D disk is gone: DiskGen encountered an error in assigning drive letter (00000002) the system could not find the specified file

    The whole thing started like this: I used the Omei lossless partitioning tool to bring up part of disk C and turned it into free space. After that, I gave this part of the space to disk D. So after re-logging in to windows, disk D and the partition behind it can no longer be seen. Use Diskman (DiskGe

    Shulou · 2022-06-03 03:05
  • How to solve the problem of Database garbled by linux

    How to solve the problem of Database garbled by linux

    The default character set of the installed MySQL is latin1. In order to change its character set to what the user needs (such as utf8), you must change its relevant configuration file; because the default installation directory of MySQL under linux is distributed in different files; unlike windo

    Shulou · 2022-06-03 03:05
  • The conversion of three working modes of vi Editor

    The conversion of three working modes of vi Editor

    The vi editor has three basic working modes: command line mode, text input mode, and end-of-line mode. How to switch between modes: enter a, I, o into text input mode (Input Mode) in instruction mode (Command Mode); text input

    Shulou · 2022-06-03 03:05
  • Migration of FRS to DFSR (part II)

    Migration of FRS to DFSR (part II)

    For faster migration performance and better AD performance-I can use the Repadmin.exe / syncall command to force refresh domain replication, update older windows Server OS system patches, and of course

    Shulou · 2022-06-03 03:05
  • Modify the default home page of tomcat

    Modify the default home page of tomcat

    Open conf/server.xml under the installation directory of tomcat and add, for example, when you enter the home page of tomcat, the home page of your text project will be displayed.

    Shulou · 2022-06-03 03:05
  • Carding the basic knowledge of shell script & lt; VI & gt;: process Control while Loop statement

    Carding the basic knowledge of shell script & lt; VI & gt;: process Control while Loop statement

    While syntax format while test condition do instruction donewhile loop can be used to read keyboard information. In the following example, the input information is set to the variable FILM and press to end the loop. Echo 'Press exit' echo-n 'enter your favorite

    Shulou · 2022-06-03 03:05
  • Introduction of plug-ins for Fast Positioning and pair Editing in vim

    Introduction of plug-ins for Fast Positioning and pair Editing in vim

    Today I will introduce you to two very useful vim plug-ins that move quickly within the page and edit in pairs. Easymotion We know that the vim editor can move up and down by pressing the key h/j/k/l, search with the / keyword, and quickly move between words using the keys w and e

    Shulou · 2022-06-03 03:05
  • The method of starting directory in apache configuration folder

    The method of starting directory in apache configuration folder

    Configuration folder startup directory method: 1, modify the httpd.conf file configuration search the following two lines of code: DocumentRoot "${SRVROOT} / htdocs" to be on the safe side, you can first comment these two lines of code, and then copy down. two

    Shulou · 2022-06-03 03:05
  • Two types of interconnection through GNS3 (part two)

    Two types of interconnection through GNS3 (part two)

    GNS3GNS3 is a network virtual software with a graphical interface that can run on multiple platforms (including Windows, Linux, and MacOS, etc.). Cisco network device administrator may want to use Cis such as CCNA,CCNP,CCIE

    Shulou · 2022-06-03 03:05
  • Windows WSUS Client registry configuration script

    Windows WSUS Client registry configuration script

    Windows WSUS Client registry configuration script 1, registry command Reg detailed explanation. Use reg /? View the Windows command help. Reg add command II, WSUS client registry configuration. Reg add HKE

    Shulou · 2022-06-03 03:05
  • AGG lesson 44 rendering problem: drawing wide contours and sharp edges

    AGG lesson 44 rendering problem: drawing wide contours and sharp edges

    Provide the display code: agg::rendering_buffer & rbuf = rbuf_window (); agg::pixfmt_bgr24 pixf (rbuf); typedef agg::rendere

    Shulou · 2022-06-03 03:05
  • How tomcat works

    How tomcat works

    The working principle of tomcat server can be summarized as follows: 1. Tomcat is a process running in JVM. It is defined as "middleware", which, as its name implies, is an intermediate container between a Java project and JVM. 2. The essence of Web project is a lot of resources.

    Shulou · 2022-06-03 03:05
  • How to turn off selinux

    How to turn off selinux

    How do I shut down selinux? Turn off SELinux:1, temporarily shut down (no need to restart the machine): setenforce 0shutdown # set SELinux to permissive mode # # setenforce 1 set SELinux

    Shulou · 2022-06-03 03:05
  • The method of installing linux system with external hard disk

    The method of installing linux system with external hard disk

    The method of using external hard disk to install linux system: 1. Have a solid state drive and a flash drive that can format all the data. two。 Download LinuxLive USB Creator software and required linux distribution iso files or img format images

    Shulou · 2022-06-03 03:05