How to install a program using the command line in linux

Use the command line installer in a Linux system: update the package list (sudo apt-get update) install the program (sudo apt-get install [program name]) confirm the installation (dpkg -l [program name] ) Manage system services (start/stop/restart: sudo systemctl start/stop/restart [service name]) Verify program ([program name] --version)

Using the command line installer in Linux

In a Linux system, you can use the command line to install software and applications. This method is generally more advanced, but it also provides greater control and flexibility over the installation process.

Steps:

1. Update the package list

Always update the package list before installing any software, to ensure you get the latest version available. To do this, run the following command:

sudo apt-get update

2. Installation program

To install the program on a Linux system, use the following command:

sudo apt-get install [程序名称]

For example, to install the Apache web server, run:

sudo apt-get install apache2

3. Confirm the installation

After the installation is complete, you can use the following command to confirm whether the program has been successful Installation:

dpkg -l [程序名称]

This will display the installation status of the program.

4. System services

Some programs need to run as system services. To start, stop, or restart a system service, use the following command:

• Start: sudo systemctl start [service name]
• Stop: sudo systemctl stop [Service name]
• Restart:sudo systemctl restart [Service name]

5. Verification procedure

After completing the installation and configuration, you can use the following command to verify that the program is working properly:

[程序名称] --version

This will display the version number of the program.

Example:

Here’s how to install the Python programming language on an Ubuntu system:

sudo apt-get update
sudo apt-get install python3
dpkg -l python3
sudo systemctl start python3
python3 --version

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