Services

This page aims to be a list of all the services we offer and which machines they run on.

Basic Auth and network services

• Kerberos KDC on Zeus, Hera
• Kerberos krb5-admin-server on Zeus
• OpenLDAP on Hera (head), Zeus
• DNS (BIND 9)
  • Demeter
  • IMSS is a slave to our DNS, so they act as our backup
• DHCP- Demeter
• TFTP (for netbooting)- Demeter

File services

• OpenAFS 1.4 fileservers on:
  • Athena- home directories
  • Hermes- mail directories
  • Apollo- Misc other storage

Each one of these machines is an AFS database server as well.

• Shellserver files (rsync)
  • Hestia- holds 32-bit shellserver images

Cluster services

• Cfengine master (can call cfrun on other machines and serves out the config files via nfs)
  • Demeter
• Multiplecron (distributes cron jobs around)
  • Dionysus runs the master, shellservers run the actual jobs
• Cluster-wide Logging - Charon
• Splunk (log searching)- Charon
• Distcc- All shellservers
• Backups (Bacula) Persephone
• Monitoring (Nagios)- Dionysus

Public Services

• HTTP (Apache)
  • Poseidon- Main web server
  • Dionysus- Backup web server. Will probably need a little bit of work before it can take over for posiedon
  • Hermes- Mailman list interface and webmail
• Database (postgres and mysql)- Poseidon
• PGP Key server (sks)- Dionysus
• SVN server- Poseidon

Mail Services

• Postfix server for incoming mail
  • Hermes- mail server, handles delivery
  • Kabta- backup server, holds mail for delivery until hermes is back up
• Spam Filtering
  • Hermes
• IMAP/POP3 (Dovecot)
  • Hermes
• Webmail (squirrelmail and roundcube)
  • Hermes
• Mailman
  • Hermes