Home Operation and Maintenance CentOS How to modify IP in centos

How to modify IP in centos

Nov 03, 2020 pm 04:53 PM
centos

How to modify IP in centos: 1. Check the current IP address of the system, and use the nmtui command to bring up the modification window, and then restart the network card; 2. Enter the network configuration file network-scripts directory, and then use the vim command to modify the file Just configure it.

How to modify IP in centos

Recommended: "centos tutorial"

Two ways for Centos to modify IP

Method 1:

View the current ip address of the system: ip add

##nmtui command brings up the modification window: nmtui

##Restart the network card:

/etc/init.d/network restart

##Or:

service network restart

Method 2:

Enter the network configuration file directory

##First, make sure you are in

root

Operate under the user. Enter the network configuration filenetwork-scripts directory. cd /etc/sysconfig/network-scripts/

Find the configuration file we need to modify

Use the

ls

command to list the files in the directory. Among them, the "ifcfg-ens33" file is the network configuration file we need to modify. Modify the configuration file

Use the

vim

command (vi Commands can also be used),Configure the file, We need to modify it

BOOTPROTO="static"

That is, change dhcp to static, modify ONBOOT = "yes" means to set the network card to be enabled at boot, and add below the text. IPADDR=192.168.0.230 #STATIC IP

##GATEWAY=192.168.0.1 #Default Gateway

NETMASK=255.255.255.0 #Subnet Mask

##DNS1=192.168.0.1 #DNS Configuration

DNS2=8.8.8.8 #Google Address

ESC: WQ, save and exit!

Restart the network service

Use the service network restart command , restart the network service.

The above is the detailed content of How to modify IP in centos. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

CentOS Stream 8 troubleshooting methods CentOS Stream 8 troubleshooting methods Apr 14, 2025 pm 04:33 PM

CentOSStream8 system troubleshooting guide This article provides systematic steps to help you effectively troubleshoot CentOSStream8 system failures. Please try the following methods in order: 1. Network connection testing: Use the ping command to test network connectivity (for example: pinggoogle.com). Use the curl command to check the HTTP request response (for example: curlgoogle.com). Use the iplink command to view the status of the network interface and confirm whether the network interface is operating normally and is connected. 2. IP address and gateway configuration verification: Use ipaddr or ifconfi

How to optimize CentOS HDFS configuration How to optimize CentOS HDFS configuration Apr 14, 2025 pm 07:15 PM

Improve HDFS performance on CentOS: A comprehensive optimization guide to optimize HDFS (Hadoop distributed file system) on CentOS requires comprehensive consideration of hardware, system configuration and network settings. This article provides a series of optimization strategies to help you improve HDFS performance. 1. Hardware upgrade and selection resource expansion: Increase the CPU, memory and storage capacity of the server as much as possible. High-performance hardware: adopts high-performance network cards and switches to improve network throughput. 2. System configuration fine-tuning kernel parameter adjustment: Modify /etc/sysctl.conf file to optimize kernel parameters such as TCP connection number, file handle number and memory management. For example, adjust TCP connection status and buffer size

What files do you need to modify in HDFS configuration CentOS? What files do you need to modify in HDFS configuration CentOS? Apr 14, 2025 pm 07:27 PM

When configuring Hadoop Distributed File System (HDFS) on CentOS, the following key configuration files need to be modified: core-site.xml: fs.defaultFS: Specifies the default file system address of HDFS, such as hdfs://localhost:9000. hadoop.tmp.dir: Specifies the storage directory for Hadoop temporary files. hadoop.proxyuser.root.hosts and hadoop.proxyuser.ro

Troubleshooting methods for Zookeeper on CentOS Troubleshooting methods for Zookeeper on CentOS Apr 14, 2025 pm 04:30 PM

ZooKeeper troubleshooting guide for CentOS Systems This article provides a step-by-step guide to help you effectively troubleshoot ZooKeeper faults on CentOS systems. 1. Verify the status of ZooKeeper service: First, use the following command to check the status of ZooKeeper service: sudosystemctlstatuszookeeper If the service is not running, use the following command to start: sudosystemctlstartzookeeper To enable it to start by starting: sudosystemctlenablezookeeper2. Analyze the ZooKeeper log to check Z

What is the CentOS MongoDB backup strategy? What is the CentOS MongoDB backup strategy? Apr 14, 2025 pm 04:51 PM

Detailed explanation of MongoDB efficient backup strategy under CentOS system This article will introduce in detail the various strategies for implementing MongoDB backup on CentOS system to ensure data security and business continuity. We will cover manual backups, timed backups, automated script backups, and backup methods in Docker container environments, and provide best practices for backup file management. Manual backup: Use the mongodump command to perform manual full backup, for example: mongodump-hlocalhost:27017-u username-p password-d database name-o/backup directory This command will export the data and metadata of the specified database to the specified backup directory.

How to configure slow query log in centos redis How to configure slow query log in centos redis Apr 14, 2025 pm 04:54 PM

Enable Redis slow query logs on CentOS system to improve performance diagnostic efficiency. The following steps will guide you through the configuration: Step 1: Locate and edit the Redis configuration file First, find the Redis configuration file, usually located in /etc/redis/redis.conf. Open the configuration file with the following command: sudovi/etc/redis/redis.conf Step 2: Adjust the slow query log parameters in the configuration file, find and modify the following parameters: #slow query threshold (ms)slowlog-log-slower-than10000#Maximum number of entries for slow query log slowlog-max-len

CentOS HDFS performance tuning tips CentOS HDFS performance tuning tips Apr 14, 2025 pm 06:00 PM

CentOS Platform Hadoop Distributed File System (HDFS) Performance Optimization Guide Optimizing HDFS Performance is a multi-faceted issue, and multiple parameters need to be adjusted for specific situations. The following are some key optimization strategies: 1. Memory management adjusts the NameNode and DataNode memory configuration: reasonably configure the HADOOP_NAMENODE_OPTS and HADOOP_DATANODE_OPTS environment variables according to the actual memory size of the server to optimize memory utilization. Enable large page memory: For high memory consumption applications (such as HDFS), enabling large page memory can reduce memory page allocation and management overhead and improve efficiency. 2. Disk I/O optimization uses high-speed storage

Redis configuration steps on CentOS Redis configuration steps on CentOS Apr 14, 2025 pm 04:12 PM

Installation and Configuration Guide for Redis under CentOS System This guide details how to install and configure the Redis database on CentOS system. Step 1: Install the dependencies First, make sure that the system has the necessary compilation tools installed. Open the terminal and execute the following command: sudoyumininstall-ygccmake Step 2: Download the Redis source code Download the latest version of the source code package from the Redis official website. For example, download Redis6.2.6 version: wgethttp://download.redis.io/releases/redis-6.2.6.tar.gz``` (Please replace it with the latest version chain

See all articles