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Infrastructure Unit George, Ian, Toby

Infrastructure Unit George, Ian, Toby. Infrastructure Unit: Areas. Network Server rooms Authentication Directory services Account management. Network: infrastructure. Switches 8 core switch/routers 200+ edge switches 6000+ connected ports Configuration and monitoring tools

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Infrastructure Unit George, Ian, Toby

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  1. Infrastructure Unit George, Ian, Toby

  2. Infrastructure Unit: Areas • Network • Server rooms • Authentication • Directory services • Account management

  3. Network: infrastructure • Switches • 8 core switch/routers • 200+ edge switches • 6000+ connected ports • Configuration and monitoring tools • Overall management • Routers • 12 Linux edge routers

  4. Network: services • DNS • Local zones, DNSSEC-validating resolvers • NTP • OpenVPN • DHCP • Routing • OSPF, router-discovery

  5. Server rooms • Physical infrastructure • Racks • Power bars • Consoles • Serial, IPMI • Monitoring • E&B and IS liaison

  6. Authentication • Kerberos • INF.ED.AC.UK and FRIEND.INF.ED.AC.UK realms • Cross-realm trust with EASE and other realms • 6000+ user principals • 10k+ host and service principals • Cosign • Web applications • kx509 • Not much used now

  7. Directory services • OpenLDAP • User data • Authorization data • Sundry other stuff • Netgroups • Automounter maps • Around 25k entries

  8. Account management • Automatic creation and deletion • Tools (prometheus) • Database feeds • Manual configuration files • Kerberos, LDAP and AFS entries created • Lifecycle: accounts gracefully expired and deleted

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