CentOS's Articles

CentOS is a discontinued Linux distribution that provides a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux.

[previous exception] [object] (PDOException(code: 0): could not find driver
In this article, i will share with you how to resolve "[previous exception] [object] (PDOException(code: 0): could not find driver" issue in CentOs. just follow the steps and resolve this issue. Install PDO extension sudo yum install php-pdo_mysql after install pdo_mysql then restart the httpd service by running the following command in your terminal. sudo systemctl restart httpd.service i hope you like this solutions.
How to Install Apache on CentOS
Apache web server is widely used open-source web server for web application. It provides dynamically run multiple website, redirection, whitelist-bloacklist and security features for websites. Ubuntu and centOS is common used linux web server. In this article, we will learn hou to install and configure apache web server in CentOS server. So let's start by logging in server in Terminal. Install Apache server The first step is to install any package is to update the system software repositories list. So run the below command. sudo yum update Now  install Apache server running below command. sudo yum install httpd If you have installed firewalld in your server, then you need to open port 80 to allow apache to handle the requests. You can do it by running the below command. sudo firewall-cmd --permanent --add-service=http Or if you have installed SSL certificate for the domain, you need to open port 443. sudo firewall-cmd --permanent --add-service=https Now reload firewall services. sudo firewall-cmd --reload You need to start apache server in CentOS server. sudo systemctl start httpd If you want to stop apache server, you can stop the apache server with below command. sudo systemctl stop httpd To restart the the server, run this command: sudo systemctl restart httpd If you want to check apache status, you can run the command: sudo systemctl status httpd This will output like this: Output Redirecting to /bin/systemctl status httpd.service ● httpd.service - The Apache HTTP Server    Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)    Active: active (running) since Wed 2021-05-18 01:18:01 UTC; 2months ago     ... Configure Apache server Apahe main configuration file located at /etc/httpd/conf/httpd.conf. The default directory apache handle is /var/www/html. So if you want to put the website project at different directory or want to add multiple domains, you need to creat seperate configuration file for each domain. First add the domain configuration file path in the main apache configuration file. Open /etc/httpd/conf/httpd.conf file in nano editor. sudo nano /etc/httpd/conf/httpd.conf And add the filepath at the end of file in it. IncludeOptional sites-enabled/*.conf Save and exit the file. Now create a file with your domain name and put the configuration options with appropriate file path. sudo nano /etc/httpd/sites-enabled/ <VirtualHost *:80>    ServerName    ServerAlias    DocumentRoot /var/www/html/    ErrorLog /var/www/html/    CustomLog /var/www/html/ combined </VirtualHost> Save and exit the file. That's it. Your domain is successfully configured to served at the path /var/www/html/ directory.