How to build a website in centos?
1, check whether the database is installed
rpm -qa | grep mysqld
2, start the database and set the account password for the database
service mysqld start //启动数据库 mysqladmin -u 账号 password 密码 //设置数据库账号密码
3, enter the database and create a database
mysql -u 账号 -p //进入数据库,输入这个后会让你输入密码,密码不会显示出来但确实输入 create database wordpress; //创建名字为wordpress的数据库 quit; 退出数据库
mount /dev/cdrom /mnt rpm -ivh /mnt/Packages/unzip-6.0-1.el6.i686.rpm
##6, Enter the website directory and decompress
cd /www/luntan unzip wordpress-4.9.4-zh_CN.zip ll /www/luntan //查看是否解压成功
7, modify the Apache configuration file, and add port 81, G Jump to the last line and find this to modify the port number and website path
vim /etc/httpd/conf/httpd.conf shift+?//后面跟查找关键字符 shift+g //到最底部 gg+行数 //到指定行数
8, restart the mysql and httpd services and close both Firewall
service mysqld restart //mysqld服务 service httpd restart //Apache服务 service iptables stop //iptables防火墙 setenforce 0 //selinux防火墙
9. Open the browser and enter IP:port number in the URL bar, and follow the steps in the picture to succeed (enter the IP to start the installation, the user name is the database user name, and the password is also the database password)
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CentOS is a stable, enterprise-grade Linux distribution suitable for server and enterprise environments. 1) It is based on RedHatEnterpriseLinux and provides a free, open source and compatible operating system. 2) CentOS uses the Yum package management system to simplify software installation and updates. 3) Support advanced automation management, such as using Ansible. 4) Common errors include package dependency and service startup issues, which can be solved through log files. 5) Performance optimization suggestions include the use of lightweight software, regular cleaning of the system and optimization of kernel parameters.

Alternatives to CentOS include RockyLinux, AlmaLinux, OracleLinux, and SLES. 1) RockyLinux and AlmaLinux provide RHEL-compatible binary packages and long-term support. 2) OracleLinux provides enterprise-level support and Ksplice technology. 3) SLES provides long-term support and stability, but commercial licensing may increase costs.

Alternatives to CentOS include UbuntuServer, Debian, Fedora, RockyLinux, and AlmaLinux. 1) UbuntuServer is suitable for basic operations, such as updating software packages and configuring the network. 2) Debian is suitable for advanced usage, such as using LXC to manage containers. 3) RockyLinux can optimize performance by adjusting kernel parameters.

The CentOS shutdown command is shutdown, and the syntax is shutdown [Options] Time [Information]. Options include: -h Stop the system immediately; -P Turn off the power after shutdown; -r restart; -t Waiting time. Times can be specified as immediate (now), minutes ( minutes), or a specific time (hh:mm). Added information can be displayed in system messages.

The key differences between CentOS and Ubuntu are: origin (CentOS originates from Red Hat, for enterprises; Ubuntu originates from Debian, for individuals), package management (CentOS uses yum, focusing on stability; Ubuntu uses apt, for high update frequency), support cycle (CentOS provides 10 years of support, Ubuntu provides 5 years of LTS support), community support (CentOS focuses on stability, Ubuntu provides a wide range of tutorials and documents), uses (CentOS is biased towards servers, Ubuntu is suitable for servers and desktops), other differences include installation simplicity (CentOS is thin)

Steps to configure IP address in CentOS: View the current network configuration: ip addr Edit the network configuration file: sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0 Change IP address: Edit IPADDR= Line changes the subnet mask and gateway (optional): Edit NETMASK= and GATEWAY= Lines Restart the network service: sudo systemctl restart network verification IP address: ip addr

CentOS installation steps: Download the ISO image and burn bootable media; boot and select the installation source; select the language and keyboard layout; configure the network; partition the hard disk; set the system clock; create the root user; select the software package; start the installation; restart and boot from the hard disk after the installation is completed.

The command to restart the SSH service is: systemctl restart sshd. Detailed steps: 1. Access the terminal and connect to the server; 2. Enter the command: systemctl restart sshd; 3. Verify the service status: systemctl status sshd.


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