Installation

"The number of Unix installations has grown to 10, with more expected."
-- The Unix Programmer's Manual, 2nd Edition, June, 1972

• Backup & storage server
• Database server
  mySQL, Postgres, IBM DB2, ...
• DNS server
  caches, DNS with SQL database backend
• File server
  NFS, SMB, NCP, Appletalk
• FTP Server
• Mail & messaging server
  Sendmail, qmail, Postfix, CommuniGate, Jabber
• News server
• OpenLDAP server
• Packet filter
  Linux Netfilter stateful filtering
• Router
  QoS, traffic shaping, routing
• Squid HTTP/FTP proxy server
• VPN server
  IPsec capable, SSH tunnels, other VPN software
• Web server
  Apache server with various additional modules