Upgrade phpList to v3.5.3 with Google reCAPTCHA v3

Upgrade to v3.5.3

• Login to host as root.
• Clone the repo locally and change directory to ~/ife:

git clone https://github.com/bberst/ife.git ~/ife
cd ~/ife

• Add local users, paths, db and Google reCAPTCHA v3 keys to the VARIABLES file.

vi VARIABLES

• Run numbered scripts sequentially (#3 will require you to enter the MySQL root password).

. ./1-version.sh
. ./2-variables.sh
. ./3-backup.sh
. ./4-release.sh

Restore to prior version

• To restore from backup, run restore.sh (this will require the MySQL root password).

cd ~/ife
. ./restore.sh