Consult the LiveContent S1000D 5.8 requirements for your platform.
LCS5.x - Linux Delivery Server
LCS5.x - iOS Web Client
SDL LiveContent S1000D 5.8 - Linux Web Client
SDL LiveContent S1000D 5.8 - Linux Publishing Server
SDL LiveContent S1000D 5.8 - Windows Standalone Client
SDL LiveContent S1000D 5.8 - Windows Web Client