Installing on Ubuntu 14.04 with EasyEngine 3.5+
1. Update package list
sudo apt-get update
2. If you are using on PHP 5.6 then
sudo apt-get install php5.6-sqlite3
and restart service
service php5.6-fpm restart
If you are using PHP 7.0 then
sudo apt-get install php7.0-sqlite3
and restart service
service php7.0-fpm restart
Installing on Ubuntu 12.04 /Debian 7 & 8 with EasyEngine 3.5+
1. Update package list
sudo apt-get update
2. Install PHP Sqlite package
sudo apt-get install php5-sqlite
3. Restart PHP5-FPM
sudo service php5-fpm restart