TinyCP is web based software for managing linux like systems.
It does not ruin your system and is extremely lightweight for hardware.
Supports the management of Domains, Mailboxes, Databases, FTP, Samba, Firewall, VPN, GIT, SVN etc.
Cloud-based directory services. Alternative to Microsoft Active Directory. Provides LDAP-as-a-Service, RADIUS-as-a-Service. Authenticates, authorizes, and manages employees, their devices and IT applications.