Secure Shell (SSH) is a network protocol for remote command execution and data communication adopted on Unix and Linux operating systems.
SSH is a cryptographic protocol and can estabilsh a secure communication channel over a not-secure network.
For this reason is widely adopted for the remote administration of Unix and Linux servers.
Cloud computing – often referred to as cloud – is a computing paradigm in which a massive number of machines and other hardware are networked to provide services – infrastructure, platform or software – in a centralized way.
Most of modern apps for mobile devices can work thanks to cloud computing, a simple way to by-pass the resource limitations of such devices.
FTP is the acronym for File Transfer Protocol, a standard network protocol that allows to transfer files from a host to another one over a TCP netowrk like the Internet or a local network.
FTP is built on a client-server architecture so there is a remote FTP server to which we send or grab files with a FTP client. The client must authenticate with the server in order to allow the download or the upload of the files.
Active Directory is a directory service for Windows developed by Microsoft.
In a nutshell, it’s a powerful tool in the hands of a system administrator to manage a newtork of PCs.
Access permissions, domains, shared folders, shared printes, proxy servers can all be managed through Active Directory in a centralized way.
SQL Server is relational database management system developed by Microsoft.
It’s a database and so it’s main scope is to store and retrieve data requested by applications running on the same machine or other machines.
SQL Server is available as an installation package – or included in some Windows editions – and as a cloud solution on Azure.
Microsoft Exchange – also known as Microsoft Exchange Server – is a mail server for Windows developed by Microsoft. It includes a calendaring software and a contact manager.
Exchange is available as an installation package for Windows Server – or included in some Windows Server editions – and as a cloud solution named Exchange Online.
