Standard small and even medium sized company services can be supplied easily and cheaply using Free and Open Source software. And because Free Software tends to be pretty efficient, these services do not need powerful or energy-consuming hardware. One such installation supplying services for small family business runs on a low power server drawing just 20 watts of power.
Basic services are:-
- File sharing (SMB for Windows, Linux and Macs, NFS for Linux/Mac)
- Printer sharing
- Postfix and Dovecot for email
- ClamAV, Spamassassin for inbound anti-virus and spam management
- eGroupware for collaboration
- MySQL or Posgresql for corporate databases
- Apache or Lighttpd with wikis for Intranets
- OpenVPN for secure remote access
- Shorewall for corporate firewalling
- Backup to removable disk
- Nagios for system monitoring
- Systems Management Tools (Mailgraph, reports etc)
- Accounting options (WebERP, GnuCash or TurboCash)
Nagios systems monitoring and systems management may be done remotely.
These services are ideal for startups, remote offices, revamping an older infrastructure, or bringing “cloud” services, such as email provided by an ISP, in-house.