CentOS installation GNS and CentOS installation method

php editor Baicao today brings you a detailed tutorial on installing GNS on CentOS, as well as the installation method of CentOS. CentOS is an open source Linux distribution that is widely used in the server field. GNS is a tool for network simulation and experimentation, which can help users build and test complex network topologies. This article will introduce how to install GNS on CentOS, and provide detailed installation steps and operation guides. I hope it will be helpful to you.

To install GNS, you first need to ensure that the system has installed the necessary dependent libraries, such as Qt, Python, etc. The following are the detailed steps for installing GNS on CentOS:

1. Open a terminal and log in to the system as the root user.

2. Execute the following command to install the necessary dependent libraries:

```

yum install -y qt5-qtbase-devel python3-devel

1. Open the browser and visit the GNS official website ().

2. Find the GNS installation package for CentOS on the website and download it locally.

1. Open the terminal and enter the directory where the GNS installation package is located.

2. Execute the following command to decompress the installation package:

tar -zxvf gns3-*.tar.gz

3. Enter the decompressed directory:

cd gns3-*

4. Execute the following command to install GNS:

python3 setup.py install

In addition to installing GNS, the following are the detailed steps of the CentOS installation method ：

1. Open the browser and visit the CentOS official website ().

2. Find the CentOS installation image suitable for your computer architecture on the website and download it locally.

1. Open the virtual machine software (such as VirtualBox, VMware, etc.).

2. Create a new virtual machine and set the appropriate virtual machine configuration, such as memory size, hard disk space, etc.

3. Select the CentOS installation image you just downloaded as the image file of the virtual optical drive in the virtual machine configuration.

1. Start the virtual machine and follow the on-screen prompts to enter the CentOS installation interface.

2. Select the appropriate language, keyboard layout and other settings in the installation interface, and then click "Next".

3. Configure the network settings, such as selecting static IP or DHCP, setting the host name, etc., and then click "Next".

4. Select the installation type, such as server, workstation, etc., and then click "Next".

5. Set the disk partition and file system, you can choose manual partitioning or use the automatic partitioning tool, and then click "Next".

6. Enter the root user's password and create a normal user, then click "Next".

7. Wait for the installer to complete the installation process.

8. After the installation is complete, restart the virtual machine to enter the CentOS operating system.

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