1. Enter the /etc/sysconfig/network-scripts/ directory
cd /etc/sysconfig/network-scripts/
2. List the files in the directory
ls
3. Find the ifcfg-en XXXXX file and edit it, for example: vim ifcfg-enp4s0
4. Change ONBOOT=no to ONBOOT=yes
5. Restart the system
reboot
Recommended tutorial: centos tutorial
The above is the detailed content of How to activate the network card in centos. For more information, please follow other related articles on the PHP Chinese website!
Migration from CentOS: The Best ApproachesApr 12, 2025 am 12:13 AMThe best way to migrate from CentOS is to choose RockyLinux, AlmaLinux, or UbuntuServer. 1) Back up data, 2) Evaluate existing systems, 3) Test migration, 4) Perform migration, 5) Verify and optimize to ensure the best system performance.
The Discontinuation of CentOS: A DiscussionApr 11, 2025 am 12:09 AMCentOS has stopped maintaining and has moved to CentOSStream and no longer provides a production-friendly version. Impacts include system migration and enterprise reevaluation of Linux policies. Alternatives are: 1. Migrate to RHEL, 2. Turn to Ubuntu or Debian, 3. Consider CentOSStream as a test platform, 4. Use AlmaLinux or RockyLinux. It is recommended to develop a migration plan as early as possible to evaluate existing system and team needs.
CentOS Automation with Ansible: Infrastructure as CodeApr 10, 2025 am 09:40 AMUse Ansible to implement automated management of CentOS. The specific steps include: 1) writing a playbook to define tasks, such as installing and configuring Apache; 2) executing the playbook through the SSH protocol to ensure consistency of system configuration; 3) using conditional judgment and loop functions to handle complex scenarios; 4) optimizing performance and following best practices, such as using asynchronous tasks and optimizing inventory files.
CentOS Interview Questions: Ace Your Linux System Administrator InterviewApr 09, 2025 am 12:17 AMFrequently asked questions and answers to CentOS interview include: 1. Use the yum or dnf command to install software packages, such as sudoyumininstallnginx. 2. Manage users and groups through useradd and groupadd commands, such as sudouseradd-m-s/bin/bashnewuser. 3. Use firewalld to configure the firewall, such as sudofirewall-cmd--permanent-add-service=http. 4. Set automatic updates to use yum-cron, such as sudoyumininstallyum-cron and configure apply_updates=yes.
CentOS Troubleshooting: Diagnosing and Resolving Common IssuesApr 08, 2025 am 12:09 AMHow to diagnose and solve common problems in CentOS system? First, check the startup log to solve the failure of system startup; second, check the network configuration file to solve the network problem; finally, use the Yum command to solve the package management problem. Through these steps, you can effectively diagnose and resolve common problems in CentOS systems.
CentOS Security Hardening: Protecting Your Server from IntrudersApr 07, 2025 am 12:05 AMCentOS server security reinforcement can be achieved through the following steps: 1. Keep the system software updated and use the "sudoyumupdate-y" command; 2. Disable unnecessary services, such as "sudosystemctldisablecups&&sudosystemctlstopcups"; 3. Configure SELinux as mandatory mode, use the "sudosetenforce1&&sudosed-i's/SELINUX=permissive/SELINUX=enforcing/g'/etc/selinux/config" command; 4. Regularly
Advanced CentOS System Administration: Mastering the Command LineApr 06, 2025 am 12:10 AMAdvanced command line management skills of CentOS include: 1. Use systemctl to manage system services, 2. Use top to monitor system resources, 3. Use yum to manage software packages, 4. Use find and xargs to batch process files, 5. Use rsync to optimize file copying. These techniques can improve productivity, solve common problems, and optimize system performance.
CentOS Server Management: User Accounts, Permissions, and ServicesApr 05, 2025 am 12:01 AMIn CentOS, how to manage user accounts, permissions and services? 1. Use the useradd command to create a user, 2. Use the usermod and groupmod commands to manage user permissions, 3. Use the systemd to manage services, such as the systemctlstart/stop/status command. Through these steps, CentOS servers can be managed efficiently to ensure their safe and efficient operation.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Atom editor mac version download
The most popular open source editor
ZendStudio 13.5.1 Mac
Powerful PHP integrated development environment
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
WebStorm Mac version
Useful JavaScript development tools
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
