LAMP之安装Mysql
在linux下安装软件,首先我们要确定,这个软件是否安装过。 $rpm -qa | grep mysql $rpm -e mysql --nodeps删除包,不需要依赖关系 $rpm -e mysql-server $tar -zxvf mysql-stand******.tar.gz $cp -vRp mysql-stand****.tar.gz /usr/local/mysql $cd /usr/l
在linux下安装软件,首先我们要确定,这个软件是否安装过。
$rpm -qa | grep mysql
$rpm -e mysql --nodeps删除包,不需要依赖关系
$rpm -e mysql-server
$tar -zxvf mysql-stand******.tar.gz
$cp -vRp mysql-stand****.tar.gz /usr/local/mysql
$cd /usr/local/mysql
配置mysql
$groupadd mysql
$useradd -g mysql mysql
以下所有操作,都是在/usr/local/mysql路径下:
$scripts/mysql_install_db --user=mysql初始化mysql数据库信息
$chown -R root . 把当前目录下所有文件的拥有者改为root
$chown -R mysql data 将data文件夹的拥有者改为mysql
$chgrp -R mysql .把当前目录下所有文件的组改为mysql
$bin/mysqld_safe --user=mysql & 启动mysql服务进程
$bin/mysql -u root 以root身份登录

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Steps to start Nginx in Linux: Check whether Nginx is installed. Use systemctl start nginx to start the Nginx service. Use systemctl enable nginx to enable automatic startup of Nginx at system startup. Use systemctl status nginx to verify that the startup is successful. Visit http://localhost in a web browser to view the default welcome page.

Starting an Nginx server requires different steps according to different operating systems: Linux/Unix system: Install the Nginx package (for example, using apt-get or yum). Use systemctl to start an Nginx service (for example, sudo systemctl start nginx). Windows system: Download and install Windows binary files. Start Nginx using the nginx.exe executable (for example, nginx.exe -c conf\nginx.conf). No matter which operating system you use, you can access the server IP

The server does not have permission to access the requested resource, resulting in a nginx 403 error. Solutions include: Check file permissions. Check the .htaccess configuration. Check nginx configuration. Configure SELinux permissions. Check the firewall rules. Troubleshoot other causes such as browser problems, server failures, or other possible errors.

How to confirm whether Nginx is started: 1. Use the command line: systemctl status nginx (Linux/Unix), netstat -ano | findstr 80 (Windows); 2. Check whether port 80 is open; 3. Check the Nginx startup message in the system log; 4. Use third-party tools, such as Nagios, Zabbix, and Icinga.

In Linux, use the following command to check whether Nginx is started: systemctl status nginx judges based on the command output: If "Active: active (running)" is displayed, Nginx is started. If "Active: inactive (dead)" is displayed, Nginx is stopped.

How to fix Nginx 403 Forbidden error? Check file or directory permissions; 2. Check .htaccess file; 3. Check Nginx configuration file; 4. Restart Nginx. Other possible causes include firewall rules, SELinux settings, or application issues.

Answer to the question: 304 Not Modified error indicates that the browser has cached the latest resource version of the client request. Solution: 1. Clear the browser cache; 2. Disable the browser cache; 3. Configure Nginx to allow client cache; 4. Check file permissions; 5. Check file hash; 6. Disable CDN or reverse proxy cache; 7. Restart Nginx.

The error log is located in /var/log/nginx (Linux) or /usr/local/var/log/nginx (macOS). Use the command line to clean up the steps: 1. Back up the original log; 2. Create an empty file as a new log; 3. Restart the Nginx service. Automatic cleaning can also be used with third-party tools such as logrotate or configured.
