:Linux.com: SysAdmin to SysAdmin: What You Shouldn't Put Into Production
Linux.com: SysAdmin to SysAdmin: What You Shouldn't Put Into Production Jul 15, 2004, 08 :30 UTC (1 Talkback[s]) (7855 reads) (Other stories by Brian Jones)
"Production software begins its life in a testing or research environment. These environments sometimes consist of actual labs on a private network, isolated from the rest of the environment in almost every way (partly as a security measure). Inside the lab are machines that act as representative parts of the production network environment. For example, there may be a machine running Apache, MySQL, DNS, and NTP; another machine on the other side of a router running sendmail and an 'internal' DNS server. There will be client machines, of course, and printers, wireless access points, and NIS/NIS+/LDAP servers, which may be acting upon live data..."
