Tag:Image file

  • Get EXIF information of image file using PHP

    Time:2021-9-17

    In our photos and various image files, there are still some information that can not be seen intuitively, such as location information, type and size of pictures when taking photos by mobile phone. These information is called EXIF information. Generally, image files such as JPG and TIFF will have such information. EXIF is actually customized […]

  • Centos7 switches Alibaba image source and installs docker

    Time:2021-6-16

    Backup source image file mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup Download alisource and replace it wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo Join docker installation source yum-config-manager –add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo docker centos This work adoptsCC agreementReprint must indicate the author and the link of this article It’s not a bug, it’s just an unlisted feature!

  • Installing virtual machine on Mac with windows records

    Time:2021-5-30

    background The component library developed by the company unifies the scrollbar style. There is no problem for the table component to be displayed in the MAC system, but in the windows system, scrollbar is a native style, so I need to install a Windows system unified scrollbar style on the Mac computer to configure describe […]

  • Building linux learning environment

    Time:2021-4-22

    Before learning Linux, let’s have a brief understanding of what Linux is. Linux actually has two meanings, one is the operating system in a broad sense, and the other is the kernel of open source operating system written by Finnish gifted programmer Torvalds. Next, in our course, Linux refers to the operating system in a […]

  • Centos7 uses ISO image files as offline Yum sources

    Time:2021-4-15

    CentOS Download Image Official website address: https://www.centos.org/download/Domestic image address: https://mirrors.aliyun.com/centos/7/isos/x86_ 64/ Domestic image is recommended Create ISO storage directory and mount directory mkdir /mnt/iso /mnt/cdrom Upload ISO image file to / MNT / ISO Mount ISO image to mount directory mount -o loop /mnt/iso/*.iso /mnt/cdrom 5. Check whether the mount is successful df -h Backup […]

  • Creating Tomcat image in dockerfile

    Time:2021-2-25

    A step of installing Tomcat image Prepare image file Tomcat package JDK packagePut it in the same folder as the dockfileThere’s no paper here. It’s everywhere Write dockerfile VIM dockerfile # officially recommended name #Type the following command in the VIM text edit box FROM centos MAINTAINER Yang<[email protected]> COPY /user/local/myInfo.txt /user/local/myInfo.txt ADD jdk-8ull-linux-x64.tar.gz /user/local/ ADD […]

  • What is a system image file? What is a system image file

    Time:2021-1-13

    I believe you often see the word “system image file” when reading the system installation tutorial. What does system image file mean? There are many users, especially the novices who have just come into contact with computers, who don’t know what system image file is, so the editor of system city will explain the definition […]

  • Centos7 Intranet environment build Yum source

    Time:2020-12-13

    In many cases, because of the security problem, our server must be in the Intranet environment. At this time, we can’t automatically download the software source on the Internet through the yum command. Many people have a headache for this problem. Here, I will briefly introduce how to build a Yum source in the Intranet […]

  • Docker learning notes – push image to registrys warehouse

    Time:2020-11-25

    The previous section demonstrated linking through the nginx reverse broker docker container:Docker learning notes 1 – deploy the. Net core 3.1 project to the docker container and use nginx reverse proxy (centos7) (2) This section demonstrates how to push the packaged project image files created locally to the official image repository, FirstDocker HubRegister account number. […]

  • Hadoop framework: detailed explanation of namenode working mechanism

    Time:2020-11-12

    Source code:GitHub. Click here || Gitee. Click here 1、 Storage mechanism 1. Basic description When the namenode is running, the metadata needs to be stored in memory, and the fsimage of the metadata is backed up on the disk. When the metadata is updated or added, modifying the metadata in memory will append the operation […]

  • Install virtual machine and Ubuntu server 16.04

    Time:2020-11-12

    downloadClick the official website to download:Official websiteSelect the appropriate version to download. I downloaded 14.0Also download the image file of Ubuntu server 16.04install Open the EXE file for installation 2. The installation location will be in Disk C by default, which can be adjusted according to the size of your computer disk. Please note that […]

  • Creating Tomcat image of dockerfile

    Time:2020-9-23

    Steps to install Tomcat image Prepare image file Tomcat package JDK packagePut it in the same folder as dockfileThere’s no file here. It’s everywhere Write dockerfile VIM dockerfile ා officially recommended name #Type the following command in the VIM text edit box FROM centos MAINTAINER Yang<[email protected]> COPY /user/local/myInfo.txt /user/local/myInfo.txt ADD jdk-8ull-linux-x64.tar.gz /user/local/ ADD apache-tomcat-9.0.22.tar.gz /usr/loacl/ […]