Install or update to PHP8 under Ubuntu20.04/18.04

                                                       

This guide lets you know how to install the latest php version 8 and install it on any of your VPS, cloud server, dedicated hosting Upgrade your Ubuntu 20.0 or 18.04 system to the latest version and configure it for Apache and Nginx.

The latest php 8 was officially released on November 26, 2020. It comes with some new features, and there are some incompatibilities you should be aware of before upgrading from older versions.

This installation was tested on Google Cloud Platform, using a Compute Engine VM instance. This setup will work on all linux servers.

Getting Started

Make sure your Ubuntu server has the latest packages by running the following commands.

sudo apt update
sudo apt upgrade

This will update the package index and update installed packages to the latest version.

Add PPA for Install or update to PHP8 under Ubuntu20.04/18.04 8

Add ondrej/php with Install or update to PHP8 under Ubuntu20.04/18.04 8 packages and other required Install or update to PHP8 under Ubuntu20.04/18.04 extensions.

sudo apt install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update

Once you add the PPA, you can install Install or update to PHP8 under Ubuntu20.04/18.04 8.

Install Install or update to PHP8 under Ubuntu20.04/18.04 8 for Apache

Execute the following command to install Install or update to PHP8 under Ubuntu20.04/18.04 8

sudo apt install php8.0

After the installation is complete, you can use the following command to confirm the installation

php -v

for Nginx Install Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM

For Nginx, you need to install FPM, execute the following command to install Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM

sudo apt install php8.0-fpm

After the installation is complete, please use the following command to confirm that Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM has been installed correctly

php-fpm8.0 -v

Install Install or update to PHP8 under Ubuntu20.04/18.04 8 extension

Installing Install or update to PHP8 under Ubuntu20.04/18.04 extensions is very simple. Use the following command to install any extension

sudo apt install php8.0-extension_name

Commonly used extensions are listed below, which can be copied and installed directly

sudo apt install php8.0-common php8.0-mysql php8.0-xml php8.0-curl php8.0-gd php8.0-imagick php8.0-cli php8.0-dev php8.0-imap php8.0-mbstring php8.0-opcache php8.0-soap php8.0-zip -y

Configuring Install or update to PHP8 under Ubuntu20.04/18.04 8 for Apache

Now we configure the Install or update to PHP8 under Ubuntu20.04/18.04 version of the web application, which can be configured by modifying certain values ​​​​in the php.ini file

For Install or update to PHP8 under Ubuntu20.04/18.04 8 using Apache, php.iniThe location is generally in the following directory.

sudo nano /etc/php/8.0/apache2/php.ini

It is recommended to press F6 in the editor and use the search function to modify the configuration items. It is recommended to update the following values ​​to improve performance.

upload_max_filesize = 32M 
post_max_size = 48M 
memory_limit = 256M 
max_execution_time = 600 
max_input_vars = 3000 
max_input_time = 1000

After modifying Install or update to PHP8 under Ubuntu20.04/18.04 settings, you need to restart Apache for the changes to take effect.

Configuring Install or update to PHP8 under Ubuntu20.04/18.04 8 for Nginx

For Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM using Nginx, the php.ini location will be in the following directory.

sudo nano /etc/php/8.0/fpm/php.ini

Press F6 in the editor to search and update the following values ​​for better performance.

upload_max_filesize = 32M 
post_max_size = 48M 
memory_limit = 256M 
max_execution_time = 600 
max_input_vars = 3000 
max_input_time = 1000

After modifying Install or update to PHP8 under Ubuntu20.04/18.04 settings, you need to restart Install or update to PHP8 under Ubuntu20.04/18.04 FPM for the changes to take effect.

sudo php-fpm8.0 -t 
sudo service php8.0-fpm restart

Configuring Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM Pool

Install or update to PHP8 under Ubuntu20.04/18.04 8 FPM allows you to configure a user and group for a service and run it under it. You can modify them using the following command

sudo nano /etc/php/8.0/fpm/pool.d/www.conf

Change the following lines by replacing www-data with your username.

user = username 
group = username 
listen.owner = username
listen.group = username

Click CTRL X and Y to save the configuration, check whether the configuration is correct, and restart Install or update to PHP8 under Ubuntu20.04/18.04.

Restart Install or update to PHP8 under Ubuntu20.04/18.04 8.0 FPM

After updating the Install or update to PHP8 under Ubuntu20.04/18.04 FPM settings, you need to restart it to apply the changes.

sudo php-fpm8.0 -t 
sudo service php8.0-fpm restart

Now, you have installed and configured Install or update to PHP8 under Ubuntu20.04/18.04 8.

Upgrading to Install or update to PHP8 under Ubuntu20.04/18.04 8 for Apache

After installing Install or update to PHP8 under Ubuntu20.04/18.04 8, you need to upgrade to the latest installed Install or update to PHP8 under Ubuntu20.04/18.04 version.

You need to disable the old Install or update to PHP8 under Ubuntu20.04/18.04 version and enable the new Install or update to PHP8 under Ubuntu20.04/18.04 version 8.

sudo a2dismod php7.4

This command will disable the Install or update to PHP8 under Ubuntu20.04/18.04 7.4 module.

sudo a2enmod php8.0

This command will enable the Install or update to PHP8 under Ubuntu20.04/18.04 8 module.
Apache must be restarted for the changes to take effect. Use the following command

sudo service apache2 restart

Upgrade Nginx to Install or update to PHP8 under Ubuntu20.04/18.04 8

You need to modify the Install or update to PHP8 under Ubuntu20.04/18.04-FPM version in the Nginx configuration file, sites-available# in the Nginx installation directory ## Find the corresponding configuration file in the file. The content in the location ~ \.php$ under the location block in the configuration file is your Install or update to PHP8 under Ubuntu20.04/18.04-related configuration

sudo nano /etc/nginx/sites-available/your.conf

Find

fastcgi_pass The configuration item usually looks like this

fastcgi_pass unix:/run/php/php7.4-fpm.sock;

Then you need to replace the old version with the new version and modify it to look like the following

fastcgi_pass unix:/run/php/php8.0-fpm.sock;

Test your configuration file and restart Nginx

sudo nginx -t
sudo service nginx restart

Conclusion

Now you have learned how to install and configure Install or update to PHP8 under Ubuntu20.04/18.04 8 on Ubuntu, thank you for watching, if you encounter any problems, you can leave a comment below Discussion

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