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Updating PHP 7.0 to 7.1 on an Ubuntu 16.04 Vultr VM

November 21, 2017 by Simon

Here is how you can quickly update PHP 7.0 to 7.1 on a Vultr Ubuntu domain.

I have configured a number of Vultr domains with NGINX and PHP 7.1 FPM and today I realised I need to update PHP 7.0 to 7.1 to fix a  few security exploits (read more here and here on securing Ubuntu in the cloud). PHP has a good page where you can keep up to date with PHP news here https://secure.php.net/. You can also view the PHP bug tracker to view bugs here. PHP aggregation user @php_net on twitter is good to follow, the official PHP twitter account is @official_php.

I have not noticed in daily Ubuntu package updates no option to update PHP 7.0 to 7.1, I must have to update manually.

WARNING: Backup your site and test this on a non-production server before doing it on a live server.  I had an issue with PHP 7.1 breaking WordPress 3.9 (MySQL issues with some plugins) and I had to roll back to 7.0 (see rollback tips in troubleshooting below). WordPress says it is PHP 7.1 compatible but issues exist. WordPress 3.9 ditches “mysql” and used “mysqli” and when instead PHP 7.1 WordPress could not find “mysqli”?

List packages with updates

sudo /usr/lib/update-notifier/apt-check -p
linux-libc-dev
python3-apport
python3-problem-report

You can run the following to view upgradable packages (TIP: Backup NGINX and other configuration files before any upgrades).

apt list --upgradable
Listing... Done
apport/xenial-updates,xenial-updates,xenial-security,xenial-security 2.20.1-0ubuntu2.13 all [upgradable from: 2.20.1-0ubuntu2.12]
linux-generic/xenial-updates,xenial-security 4.4.0.101.106 amd64 [upgradable from: 4.4.0.87.93]
linux-headers-generic/xenial-updates,xenial-security 4.4.0.101.106 amd64 [upgradable from: 4.4.0.87.93]
linux-image-generic/xenial-updates,xenial-security 4.4.0.101.106 amd64 [upgradable from: 4.4.0.87.93]
linux-libc-dev/xenial-updates,xenial-security 4.4.0-101.124 amd64 [upgradable from: 4.4.0-98.121]
nginx/xenial,xenial 1.13.6-2chl1~xenial1 all [upgradable from: 1.13.3-1chl1~xenial1]
nginx-common/xenial,xenial 1.13.6-2chl1~xenial1 all [upgradable from: 1.13.3-1chl1~xenial1]
nginx-core/xenial 1.13.4-1chl1~xenial1 amd64 [upgradable from: 1.13.3-1chl1~xenial1]
procmail/xenial-updates,xenial-security 3.22-25ubuntu0.16.04.1 amd64 [upgradable from: 3.22-25]
python-cryptography/xenial 1.9-1+ubuntu16.04.1+certbot+2 amd64 [upgradable from: 1.7.1-2+certbot~xenial+1]
python-openssl/xenial,xenial 17.3.0-1~0+ubuntu16.04.1+certbot+1 all [upgradable from: 17.0.0-0+certbot~xenial+1]
python-requests/xenial,xenial 2.18.1-1+ubuntu16.04.1+certbot+1 all [upgradable from: 2.12.4-1+certbot~xenial+1]
python-urllib3/xenial,xenial 1.21.1-1+ubuntu16.04.1+certbot+1 all [upgradable from: 1.19.1-1+certbot~xenial+1]
python3-apport/xenial-updates,xenial-updates,xenial-security,xenial-security 2.20.1-0ubuntu2.13 all [upgradable from: 2.20.1-0ubuntu2.12]
python3-problem-report/xenial-updates,xenial-updates,xenial-security,xenial-security 2.20.1-0ubuntu2.13 all [upgradable from: 2.20.1-0ubuntu2.12]
python3-requests/xenial,xenial 2.18.1-1+ubuntu16.04.1+certbot+1 all [upgradable from: 2.12.4-1+certbot~xenial+1]
python3-urllib3/xenial,xenial 1.21.1-1+ubuntu16.04.1+certbot+1 all [upgradable from: 1.19.1-1+certbot~xenial+1]

Update your server packages

sudo apt-get update && sudo apt-get upgrade

Reboot

sudo shutdown -r now

You should now see this on startup

0 packages can be updated.
0 updates are security updates.

You can view your installed PHP configuration file and installed version by typing to following in your servers command line.

# locate php.ini
/etc/php/7.0/apache2/php.ini
/etc/php/7.0/cli/php.ini
/etc/php/7.0/fpm/php.ini

Now let’s install a package viewer

sudo apt-get install apt-show-versions

Search installed packages (or non-installed) PHP packages.

sudo apt-show-versions | grep php | more

libapache2-mod-php7.0:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
libapache2-mod-php7.0:i386 not installed
php-common:all/xenial 1:55+ubuntu16.04.1+deb.sury.org+1 uptodate
php-xdebug:amd64/xenial 2.5.5-3+ubuntu16.04.1+deb.sury.org+1 uptodate
php-xdebug:i386 not installed
php7.0:all/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-cli:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-cli:i386 not installed
php7.0-common:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-common:i386 not installed
php7.0-curl:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-curl:i386 not installed
php7.0-dev:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-dev:i386 not installed
php7.0-fpm:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-fpm:i386 not installed
php7.0-gd:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-gd:i386 not installed
php7.0-imap:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-imap:i386 not installed
php7.0-intl:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-intl:i386 not installed
php7.0-json:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-json:i386 not installed
php7.0-ldap:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-ldap:i386 not installed
php7.0-mbstring:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-mbstring:i386 not installed
php7.0-mysql:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-mysql:i386 not installed
php7.0-opcache:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-opcache:i386 not installed
php7.0-pgsql:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-pgsql:i386 not installed
php7.0-phpdbg:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-phpdbg:i386 not installed
php7.0-pspell:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-pspell:i386 not installed
php7.0-readline:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-readline:i386 not installed
php7.0-recode:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-recode:i386 not installed
php7.0-snmp:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-snmp:i386 not installed
php7.0-tidy:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-tidy:i386 not installed
php7.0-xml:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-xml:i386 not installed
php7.0-zip:amd64/xenial 7.0.25-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.0-zip:i386 not installed

Uninstall all local PHP related packages

sudo apt-get remove php* 
...
After this operation, 35.7 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 139182 files and directories currently installed.)
Removing php7.0 (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php-xdebug (2.5.5-3+ubuntu16.04.1+deb.sury.org+1) ...
Removing libapache2-mod-php7.0 (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-zip (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-xml (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-mbstring (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-dev (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-fpm (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-curl (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-gd (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-imap (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-intl (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-phpdbg (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-ldap (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-mysql (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-pgsql (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-pspell (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-recode (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-snmp (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-tidy (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-cli (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-json (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-opcache (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-readline (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php7.0-common (7.0.25-1+ubuntu16.04.1+deb.sury.org+1) ...
Removing php-common (1:55+ubuntu16.04.1+deb.sury.org+1) ...
Processing triggers for man-db (2.7.5-1) ...

Confirm packages are uninstalled

sudo apt-show-versions | grep php
>

Install PHP 7.1 and common packages

sudo apt-get install php7.1 php7.1-cli php7.1-common libapache2-mod-php7.1 php7.1-mysql php7.1-fpm php7.1-curl php7.1-gd php7.1-bz2 php7.1-mcrypt php7.1-json php7.1-tidy php7.1-mbstring php-redis php-memcached

Verify PHP 7.1 installation

apt-show-versions | grep php
libapache2-mod-php7.1:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
libapache2-mod-php7.1:i386 not installed
php-common:all/xenial 1:55+ubuntu16.04.1+deb.sury.org+1 uptodate
php-igbinary:amd64/xenial 2.0.1-1+ubuntu16.04.1+deb.sury.org+2 uptodate
php-igbinary:i386 not installed
php-memcached:amd64/xenial 3.0.3+2.2.0-1+ubuntu16.04.1+deb.sury.org+3 uptodate
php-memcached:i386 not installed
php-msgpack:amd64/xenial 2.0.2+0.5.7-1+ubuntu16.04.1+deb.sury.org+3 uptodate
php-msgpack:i386 not installed
php-redis:amd64/xenial 3.1.4-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php-redis:i386 not installed
php7.1:all/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-bz2:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-bz2:i386 not installed
php7.1-cli:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-cli:i386 not installed
php7.1-common:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-common:i386 not installed
php7.1-curl:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-curl:i386 not installed
php7.1-fpm:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-fpm:i386 not installed
php7.1-gd:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-gd:i386 not installed
php7.1-json:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-json:i386 not installed
php7.1-mbstring:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-mbstring:i386 not installed
php7.1-mcrypt:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-mcrypt:i386 not installed
php7.1-mysql:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-mysql:i386 not installed
php7.1-opcache:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-opcache:i386 not installed
php7.1-readline:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-readline:i386 not installed
php7.1-tidy:amd64/xenial 7.1.11-1+ubuntu16.04.1+deb.sury.org+1 uptodate
php7.1-tidy:i386 not installed

Reboot

sudo shutdown -r now

See if the PHP 7.1 FPM service has started

sudo systemctl | grep php
> php7.1-fpm.service

Restart PHP 7.1 FPM Service

sudo systemctl restart php7.1-fpm.service

Edit your /etc/nginx/sites-enabled/default and change the fastcgi_pass from “7.0” to “7.1”

sudo nano /etc/nginx/sites-enabled/default

Edits:

location ~ \.php$ {
    ...
    fastcgi_pass unix:/var/run/php/php7.1-fpm.sock;
    ...
}

Reload NGINX configuration and restart NGINX

sudo nginx -t && sudo nginx -s reload && sudo /etc/init.d/nginx restart
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[ ok ] Restarting nginx (via systemctl): nginx.service.

Your website should now be back up and running PHP 7.1

PHP 7.1

Post Install Tasks

View this blog post on other useful linux commands.

Run a Lynis security scan.

Edit your PHP.ini file and add required changes (e.g upload sizes).

sudo nano /etc/php/7.1/fpm/php.ini
# upload_max_filesize = 2M
+ upload_max_filesize = 8M

Troubleshooting

View PHP configuration values (add this to a debug.php and load in in a browser)

<?php

// Show all information, defaults to INFO_ALL
phpinfo();

// Show just the module information.
// phpinfo(8) yields identical results.
phpinfo(INFO_MODULES);

?>

I broke my WordPress 3.9 when I tried to update to PHP 7.1 so I rolled back to 7.0.

sudo apt-get remove php*
sudo apt-get -y install php7.0-fpm
sudo apt-get -y install php7.0-mysql php7.0-curl php7.0-gd php7.0-intl php-pear php-imagick php7.0-imap php7.0-mcrypt php-memcache  php7.0-pspell php7.0-recode php7.0-sqlite3 php7.0-tidy php7.0-xmlrpc php7.0-xsl php7.0-mbstring php-gettext
service php7.0-fpm reload

Google help had me stuck for a while when I had issues purging php 7.1.

Purge Error

Because my blog (with install steps) was down I used this site to help be find the commands to run.

Conclusion

Sometimes going with cutting edge tech you will go out on a limb, ensure you know and can restore a working site if need be.

Always have a backup and restore plan.

Hope this guide helps.

Donate and make this blog better


Ask a question or recommend an article
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v1.35 WordPress 3.9 error with PHP 7.1

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  • PHP 7 code to send object oriented sanitised input data via bound parameters to a MYSQL database
  • How to use Sublime Text editor locally to edit code files on a remote server via SSH
  • Creating your first Java FX app and using the Gluon Scene Builder in the IntelliJ IDEA IDE
  • Deploying nodejs apps in the background and monitoring them with PM2 from keymetrics.io

Tech

  • Backing up your computer automatically with BackBlaze software (no data limit)
  • How to back up an iPhone (including photos and videos) multiple ways
  • US v Huawei: The battle for 5G
  • Check the compatibility of your WordPress theme and plugin code with PHP Compatibility Checker
  • Is OSX Mojave on a 2014 MacBook Pro slower or faster than High Sierra
  • Telstra promised Fibre to the house (FTTP) when I had FTTN and this is what happened..
  • The case of the overheating Mac Book Pro and Occam’s Razor
  • Useful Linux Terminal Commands
  • Useful OSX Terminal Commands
  • Useful Linux Terminal Commands
  • What is the difference between 2D, 3D, 360 Video, AR, AR2D, AR3D, MR, VR and HR?
  • Application scalability on a budget (my journey)
  • Monitor server performance with NixStats and receive alerts by SMS, Push, Email, Telegram etc
  • Why I will never buy a new Apple Laptop until they fix the hardware cooling issues.

Wordpress

  • Replacing Google Analytics with Piwik/Matomo for a locally hosted privacy focused open source analytics solution
  • Setting web push notifications in WordPress with OneSignal
  • Telstra promised Fibre to the house (FTTP) when I had FTTN and this is what happened..
  • Check the compatibility of your WordPress theme and plugin code with PHP Compatibility Checker
  • Add two factor auth login protection to WordPress with YubiCo hardware YubiKeys and or 2FA Authenticator App
  • Monitor server performance with NixStats and receive alerts by SMS, Push, Email, Telegram etc
  • Upgraded to Wordfence Premium to get real-time login defence, malware scanner and two-factor authentication for WordPress logins
  • Wordfence Security Plugin for WordPress
  • Speeding up WordPress with the ewww.io ExactDN CDN and Image Compression Plugin
  • Installing and managing WordPress with WP-CLI from the command line on Ubuntu
  • Moving WordPress to a new self managed server away from CPanel
  • Moving WordPress to a new self managed server away from CPanel

General

  • Backing up your computer automatically with BackBlaze software (no data limit)
  • How to back up an iPhone (including photos and videos) multiple ways
  • US v Huawei: The battle for 5G
  • Using the WinSCP Client on Windows to transfer files to and from a Linux server over SFTP
  • Connecting to a server via SSH with Putty
  • Setting web push notifications in WordPress with OneSignal
  • Infographic: So you have an idea for an app
  • Restoring lost files on a Windows FAT, FAT32, NTFS or Linux EXT, Linux XFS volume with iRecover from diydatarecovery.nl
  • Building faster web apps with google tools and exceed user expectations
  • Why I will never buy a new Apple Laptop until they fix the hardware cooling issues.
  • Telstra promised Fibre to the house (FTTP) when I had FTTN and this is what happened..

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