How to install linux system using USB disk

1. Preparation work

1. Disk larger than 8GU

2. UltraSo floppy disk pass

3. CentOS 7.4 ISO image

2. Making a Linux boot disk

It is recommended to use ultraSo floppy disk pass to write the disk image

1. Install UltraISO

2. After the installation is completed, click [Trial]

3. Click [File] and select [Open]

4. Find the file where the Centos7 package is located folder, select the Centos7 package, click [Open]

5. Insert the prepared U disk

6. Click [Start] in the top menu and select [Write Hard Disk Image]

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ps: Note that it is a hard disk, not a floppy disk

7. Select your U for the hard drive disk, writing method usb hdd

8. Click [Write]

3. Install the system

#1. Insert the U disk into the computer Up

2. Start the computer and keep pressing [F2] to enter the BIOS to modify the first startup item

3. Select the U disk and jump to the interface below

4. Press the keyboard key to enter the secondTest this media & install Centos 7, and change the bottom

vmlinuz initrd=initrd.img inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 rd.live.check quietchanged to

inst.stage2=hd:/dev/sdb4 (your own USB disk (symbol) quietCtrl ##vmlinuz initrd=initrd.img linux dd quiet

, after entering, you can see which disk it is and then modify sdb4 to the correct disk to enter the installation

5, and then wait for the installation to the graphical interface

6. Select Chinese→Simplified Chinese→Click [Continue]

7. Installation source: local media; software selection: GNOME desktop (if the default is not visible, The desktop is just a command line, and the minimum installation is selected); installation location: select your hard disk, automatically allocated (the one with the largest memory can also be allocated by yourself); network and host name: open (closed by default)

8. After the setting is completed, click [Start Installation]

9. The interface for setting the root account and common accounts appears. Click to set the root password and then create a common account. If the password is too simple, click OK and there will be a prompt. If you want to use this password, you can click OK again

10. Wait for the installation to complete and it will restart. Click the [Restart] button

11. After restarting, it will There is a security protocol operation, some can be selected through the interface and some are command line. I won’t say much about the interface. For the command line, enter: 1, Enter, 2, Enter, c, Enter, c, Enter

12. Installation completed.

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