How to operate centos

To operate CentOS, you first need to download the ISO image and create a bootable device, then boot from it and select the installation type. You can then use command line tools such as yum, dnf, systemctl, etc. to install and manage the software, or perform basic operations such as starting/stopping services. Additionally, CentOS offers advanced features such as SELinux, firewall configuration, storage management, and system monitoring.

How to operate CentOS

CentOS (full name: CentOS Linux) is a free and open source operating system. It is based on Red Hat Enterprise Linux (RHEL) and remains highly compatible with RHEL. Due to its stability and reliability, CentOS is widely used in server, cloud computing, and enterprise environments.

Install CentOS

• Download the ISO image: Download the ISO image file from the CentOS official website.
• Create a bootable device: Use a burning software or tool (such as Etcher) to burn the ISO image to a USB flash drive or DVD disc.
• Booting from a bootable device: Insert the bootable device into the computer and boot from it.
• Select installation type: Choose server or desktop installation according to your needs.
• Configure system settings: Set language, time zone, keyboard layout, etc.
• Create user and set password: Create a root user and set password.

Using CentOS

After installing CentOS, you can use the following command line tools:

• ##yum: Used to manage packages and updates.
• dnf: A modern alternative to yum, offering faster installation and updates.
• systemctl: Used to control system services.
• useradd: is used to create users.
• passwd: is used to change the password.

Basic Operations

Here are some examples of performing basic operations in CentOS:

• Install software: sudo yum install package_name
• Update software:sudo yum update
• Start service:sudo systemctl start service_name
• Stop the service: sudo systemctl stop service_name
• Restart the service:sudo systemctl restart service_name

Advanced operations

For advanced operations, CentOS provides many features, including:

• SELinux: Provides enhanced security features.
• Firewall: Configure firewall rules to protect the system.
• Network configuration: Manage network interfaces and settings.
• Storage Management: Create and manage file systems.
• System Monitoring: Use tools to monitor system performance and health.

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