Requirements

• PHP >= 5.3
• PHP PDO with SQLite driver (required for rate-limit)
• SSH/Terminal access (able to install commands/functions if non-existent)

Installations:

1. Download LookingGlass to the intended folder within your web directory
2. Extract archive:Option #1 – Extract archive to the current directory:
   tar -zxvf looking-glass–1.3.0.tar.gz –strip-components 1
3. Option #2 – Extract archive to a directory named LookingGlass:
   tar -zxvf looking-glass-1.3.0.tar.gz –transform ‘s!^[^/]\+\($\|/\)!LookingGlass\1!’
4. Navigate to the LookingGlass subdirectory in terminal
5. Run bash configure.sh
6. Follow the instructions and configure.sh will take care of the rest

Forgot a setting? Simply run the configure.sh script again

Src: https://github.com/telephone/LookingGlass