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add en/Development-And-Common-Documents/Novice-Must-See/OpenKylin_Novice_User_Guide.md.
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**Author: secretly**
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**Time: February 28, 2023**
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# OpenKylin Novice User Guide
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### 1. System update
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We use the shortcut key <kbd> Ctrl </kbd> + <kbd> Alt </kbd> + <kbd> T </kbd> to open the terminal and enter the following command to complete the system update.
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```shell
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sudo apt update
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sudo apt upgrade
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```
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### 2. The pointer on the touchpad moves slowly, how to adjust it?
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We use the shortcut key <kbd> Win </kbd> + <kbd> I </kbd> to open the center, and find the `touchpad` function in `devices`.
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Click the pointer speed status bar in the right panel, and we can keep trying the moving speed until the speed is adjusted to suit our habits.
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### 3. Commonly used shortcut keys in the system
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### 4. Screenshot shortcut keys
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### 5. Enable ssh login
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- **Install openssh-server**
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```shell
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sudo apt install openssh-server -y
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```
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- **Modify configuration file `ssh_config`**
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```shell
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sudo vi /etc/ssh/ssh_config
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```
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>Find `# PasswordAuthentication yes`, delete the # in front, save and exit
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- **restart ssh service**
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```shell
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sudo service sshd restart
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```
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- **view ip address**
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```shell
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ifconfig
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or
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ip address
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```
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- **ssh remote login**
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We access through the ssh login command in the windows terminal
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```cmd
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# Example ssh account name@IP address
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ssh anan@192.168.124.82
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```
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### 6. Apt software installation command
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The execution of the apt command requires super administrator privileges (root), so you need to add the `sudo` command in front of it
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```shell
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# install software
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sudo apt install package
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# Uninstall software
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sudo apt remove package
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# update software
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sudo apt upgrade
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# For example
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sudo apt install openssh-server
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sudo apt install putty
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```
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- **Detailed command parameters**
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```shell
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apt[]
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list - list packages by name
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search - search package descriptions
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show - show package details
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install - Install a package
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reinstall - reinstall a package
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remove - remove a package
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autoremove - remove all automatically installed packages that are no longer in use
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update - update the list of available packages
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upgrade - update the system by installing/upgrading software
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full-upgrade - Update system by uninstall/install/upgrade
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edit-sources - Edit software source information files
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satisfy - Satisfy the system with dependency strings
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```
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- **Detailed help can be viewed by command**
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```shell
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apt -h
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```
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### 7. wget download command
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wget is a free tool for automatically downloading files from the Internet, and supports downloading through the three most common TCP/IP protocols: HTTP, HTTPS, and FTP.
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For programs or packages that have provided download paths on the Internet, we can download them through the wget command, which is most commonly used for downloading deb packages.
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- **Usage:**
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```shell
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wget [option arguments]... [Url].....
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```
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- **Example:**
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```shell
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example
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wget http://www.xxx.com/download/putty.deb
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```
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- **Detailed help can be viewed by command**
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```shell
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wget -h
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```
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### 8. dpkg installation command
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Software installation command dpkg
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dpkg is a debian package management tool, which can install, uninstall, obtain information and other operations on packages in deb format.
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- **Usage:**
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```shell
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dpkg -i package_file
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dpkg --install package_file
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```
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- **Example:**
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```shell
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# Connect to the putty.deb file downloaded from the previous example
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dpkg -i putty.deb
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```
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- **Detailed help can be viewed by command**
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```shell
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dpkg --help
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```
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