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This article mainly introduces "how to install centos7.3 with USB disk". In daily operation, I believe many people have doubts about how to install centos7.3 with USB disk. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to install centos7.3 with USB disk". Next, please follow the editor to study!

First, the preparation before installation. First of all, we need to visit the domestic professional linux mirror website to download the linux system in order to make initial preparations for installation. Http://mirrors.aliyun.com Ali Cloud Mirror Station https://mirrors.tuna.tsinghua.edu.cn Tsinghua University Mirror Station http://mirrors.sohu.com/ Sohu Mirror Station http://mirrors.163.com/ NetEase Mirror Station

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two。 Here we use the Aliyun image station as an introduction to download the centos7 operating system.

(1) Open IE and enter: http://mirrors.aliyun.com

Find centos and follow this path to download centos/7.3.1611/isos/x86_64/CentOS-7-x86_64-Everything-1611.iso.

The author chose centos7.3.1611 here (indicating that the major version is 7 and the minor version is 3meme1611, which means the operating system was released in November 2016).

(2) enter the sha1sum.txt text file at the same time and copy the MD5 code of the line.

74391081d998963b21483113143eb172e7a4e5f4 CentOS-7-x86_64-Everything-1611.iso

(3) verifying the MD5 security code of the centos7.3 version can effectively prevent the system from being tampered with by hackers, check whether the operating system we downloaded is complete, and prevent inevitable errors during installation.

There are two ways to verify it.

Load the image of the iso in the linux system, enter sha1sum / dev/sr0 to execute, and get the MD5 code for verification.

Download the MD5 verification tool in windows to view, click Browse to find the system image file you downloaded, and finally get the check code.

The author provides to download the MD5 verification software from csdn, which is 1m in size.

Http://t.cn/RK6lABn

Second, install centos7.3 operating system 1. Load your CD or plug in a U disk to boot. The author chooses to make a U disk for installation, requiring 16G capacity software to format automatically. after all, U disk installation is the trend.

First of all, we need to download and make linux startup program usbwriter.

The author provides the recommended download address, and the size of the software is 300KB.

Http://t.cn/RK6lgHx

2 enter the linux boot interface, we select install centos linux 7 enter to confirm

3. The first step is to set the time to the Asian Shanghai time zone, the second step is to set the keyboard to the American keyboard, and the third step is to set the corresponding system language 4. The fourth step is to select the type of operating system you want to install, including minimized installation and desktop installer, the author uses minimized installation and adds custom components to be used.

If you are a beginner, it is recommended to install gnome desktop or KDE desktop. Other components do not need to be installed by default. Select Done to confirm to exit.

5. We choose step 5 to customize the partition of the system. Select the hard drive on which you want to boot the system and need a custom partition

7. A custom partition box pops up, where we select the standard partition, and the second step is to set the mount point 8. Set the / BOOT system boot partition for linux

9. Mount the system partition

The first step is to create a / BOOT partition that gives 500m enough space.

The second step is to create / partition 100G disk space

The third step is to create / SWAP disk cache space, which is divided according to 1.5-2 times of memory. For example, the memory of 1gb is 2048m according to 2 times setting.

Step 4: create a / home home directory. It is recommended to separate the home directory for fear of occupying / directory partition capacity, resulting in / no space for write data downtime.

The fifth step is to create the / work directory, which is a custom partition directory, which is used to store important data independent of the logical partition and not affected by the primary partition. Similar to windows D: e: F: disk

10. Step 6 configure the network and hostname

After configuring the network, let's verify that the network is configured successfully

Press and hold the keyboard ctrl+alt + F3 to switch to command line mode, ctrl+alt + F6 to switch back to graphic mode, and ping command to test the network.

11 confirm to start the installation

At this point, the study on "how to install centos7.3 with USB disk" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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