How To Upgrade To PHP7.4-FPM in Ubuntu 16.04/18.04

This will upgrade your php version to php7.4-fpm when using Nginx web server.

Check your PHP version:

$ php -v

1. Install PHP 7.4

$ sudo apt install php7.4-fpm

2. Install additional modules

$ sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y

3. Update config files

Open the file located at /etc/php/7.4/fpm/pool.d/www.conf:

$ sudo nano /etc/php/7.4/fpm/pool.d/www.conf

Find the lines below:

;env[HOSTNAME] = $HOSTNAME
;env[PATH] = /usr/local/bin:/usr/bin:/bin
;env[TMP] = /tmp
;env[TMPDIR] = /tmp
;env[TEMP] = /tmp

and delete the semi-colons so that it looks like this:

env[HOSTNAME] = $HOSTNAME
env[PATH] = /usr/local/bin:/usr/bin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp

Ctrl+x to exit, then ‘Y' to save and exit.

Then, open the file located at /etc/php/7.4/fpm/php.ini:

$ sudo nano /etc/php/7.4/fpm/php.ini

find (Ctrl+w) and change the following to your desired settings:

max_execution_time = 300
memory_limit = 512M
post_max_size = 100M
upload_max_filesize = 100M

and find the line:

;cgi.fix_pathinfo=1

and delete the semicolon and set to 0:

cgi.fix_pathinfo=0

Ctrl+x to exit, then ‘Y' to save and exit.

3. Web server configuration

Make sure that your web server correctly uses the PHP 7.4 sockets/modules. Edit your nginx config to change the socket paths (substituting ‘nginx_vhost' with your correct filename, i.e. ‘default'):

$ sudo nano /etc/nginx/sites-available/nginx_vhost

For example, change the lines below from php7.3 to php7.4:

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

Ctrl+x, then ‘y' to save and exit. Restart PHP and Nginx:

$ sudo systemctl restart php7.4-fpm
$ sudo service nginx restart

4. Change the default PHP version

If you have multiple PHP versions installed on your Ubuntu server, you can set PHP 7.2 as the default:

$ sudo update-alternatives --set php /usr/bin/php7.4

REFERENCES

https://kenfavors.com/code/how-to-upgrade-to-php7-2-in-ubuntu/
https://www.cloudbooklet.com/install-php-7-4-on-ubuntu/

3 thoughts on “How To Upgrade To PHP7.4-FPM in Ubuntu 16.04/18.04

  1. still for now php versions above 7.0 are not supported by 16.04 xenial. So, is there any way to install php7.4 atleast in my machine that is running on 16.04 and default php version is 7.0. Please suggest any solution.
    Problem : apt install php7.4-fpm
    Reading package lists… Done
    Building dependency tree
    Reading state information… Done
    E: Unable to locate package php7.4-fpm
    E: Couldn’t find any package by glob ‘php7.4-fpm’
    E: Couldn’t find any package by regex ‘php7.4-fpm’

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