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Update Ubuntu 18.04 from 7.2 to PHP 7.4 

Added instructions on how to upgrade the standard Ubuntu 18.04 install of php 7.2 to the latest version of php (7.4.5 at time of writing)
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Malware Devil 2020-05-05 17:52:21 -05:00 committed by GitHub
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@ -902,6 +902,106 @@ Created symlink from /etc/systemd/system/multi-user.target.wants/php73-php-fpm.s
A galaxy can be assigned like a tag. You can use the add tag function and copy the full conntector-tag. Example `misp-galaxy:ransomware=“Locky”`, which can be found in `/galaxy_clusters/view/`
## Updating PHP from 7.2 to 7.4.5 on Ubuntu 18.04
### Installation
1. Disable and Uninstall Currently Installed SSDEEP
```bash
sudo phpdismod ssdeep
sudo pecl uninstall ssdeep
sudo apt purge ssdeep
sudo rm -rf /etc/php/7.2/mods-available/ssdeep.ini
```
2. Install PHP 7.4.5
```bash
sudo apt install software-properties-common -qy
sudo add-apt-repository ppa:ondrej/php -y
sudo apt update
sudo apt install -qy \
libapache2-mod-php7.4 \
php7.4 \
php7.4-cli \
php7.4-dev \
php7.4-json \
php7.4-xml \
php7.4-mysql \
php7.4-opcache \
php7.4-readline \
php7.4-mbstring \
php-redis \
php-gnupg \
php-gd
sudo apt update
sudo apt upgrade -y
```
3. Install SSDEEP
```bash
cd /usr/local/src
sudo rm -rf ssdeep-2.14.1.tar.gz ssdeep-2.14.1
sudo wget https://github.com/ssdeep-project/ssdeep/releases/download/release-2.14.1/ssdeep-2.14.1.tar.gz
sudo tar zxvf ssdeep-2.14.1.tar.gz
cd ssdeep-2.14.1
sudo ./configure --datadir=/usr --prefix=/usr --localstatedir=/var --sysconfdir=/etc
sudo make
sudo make install
```
4. Test SSDEEP
```bash
ssdeep -h
```
5. Install ssdeep_php
```bash
sudo pecl channel-update pecl.php.net
sudo pecl install ssdeep
```
6. Enable SSDEEP in both 7.2 and 7.4 (** as root** `sudo su`)
```bash
echo 'extension=ssdeep.so' > /etc/php/7.2/mods-available/ssdeep.ini
echo 'extension=ssdeep.so' > /etc/php/7.4/mods-available/ssdeep.ini
```
7. Enable SSDEEP PHP Mod
```bash
sudo phpenmod ssdeep
```
8. Set PHP 7.4.5 to default PHP
```bash
sudo a2dismod php7.2
sudo a2enmod php7.4
sudo update-alternatives --set php /usr/bin/php7.4
```
9. [Optional] Set better values for defaults
```bash
sudo sed -i "s/max_execution_time = 30/max_execution_time = 300/" /etc/php/7.4/apache2/php.ini ; \
sudo sed -i "s/memory_limit = 128M/memory_limit = 2048M/" /etc/php/7.4/apache2/php.ini ; \
sudo sed -i "s/upload_max_filesize = 2M/upload_max_filesize = 500M/" /etc/php/7.4/apache2/php.ini ; \
sudo sed -i "s/post_max_size = 8M/post_max_size = 500M/" /etc/php/7.4/apache2/php.ini ; \
sudo sed -i "s/max_execution_time = 30/max_execution_time = 300/" /etc/php/7.4/cli/php.ini ; \
sudo sed -i "s/upload_max_filesize = 2M/upload_max_filesize = 500M/" /etc/php/7.4/cli/php.ini ; \
sudo sed -i "s/post_max_size = 8M/post_max_size = 5000M/" /etc/php/7.4/cli/php.ini ;
```
10. Restart Apache to implement changes
```bash
sudo sudo systemctl restart apache2
```
### Verification of php 7.2 to 7.4
1. **Administration** > **Server Settings & Maintenance**
2. **Diagnostics**
3. Scroll down to the **PHP Settings** section and verify
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