2.27linux and Windows Interop files 3.1 user profiles and password Profiles 3.2 user groups manage 3.3 user management

2.27linux and Windows inter-pass files

3.1 User profile and password configuration files

3.2 User Group Management

3.3 User Management

2.27 Linux and Windows inter-pass files

The Prime minister can only use remote Tools

Xshell, SECURECRT

Install a package first

Yum Install-y Lrzsz

SZ + filename to upload files from Linux to Windows

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Upload 4.txt from Linux to Windows

Use RZ return

You can do it. Files on Windows are uploaded to the current directory under Linux

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Transfer bij.txt on Windows to the current directory

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3.1 User profile and password configuration files

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This is a file that specifically controls the user's password.

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Look at the front 1 lines of the/etc/shadow file and the 2 lines of the/etc/shadow file

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Set a password for the aming user

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Man Shadow View

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3.2 User Group Management

User group Password configuration file

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Add a group GRP1 view the last line

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Add a group Grp2 define GID to 1005

Normal group of

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Remove Group GRP1

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Delete Group User1

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Failed, because there are users in User1, if you want to delete a group, the group can not have users

3.3 User Management

Add a user User2

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Normal user UID starting from 1000

Create user User3 Specify a UID of 1005 for the specified group GRP2

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Create user user4 Specify UID 1006 Specify the group for GRP2 specify the home directory/home/aming111 Specify the shell

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Create a user User5 colleague does not create a home directory

But the home directory is still there, is/home/user5 just this directory does not exist

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The newly created UID will be counted from the natural beginning of 1006.

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The UID of the new user will increase itself

And the GID and the above number does not matter, he will not according to the GID to increase their own, only according to the UID increase

Useradd AddUser is the same command.

Delete User

Userdel

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Userdel-r Delete User at the same time delete user's home directory

2.27linux and Windows Interop files 3.1 user profiles and password Profiles 3.2 user groups manage 3.3 user management