Information for system administrators

This page (and the pages linked from here) describe the setup of our computing services and provide an overview of and helpful information about the various tasks that system administrators need to perform. The system administrators have pledged that they will keep it up-to-date all the time.

Links

• Internal Information: http://www.ps.uni-saarland.de/Internal/

• GoSA: https://gosa.ps.uni-saarland.de/

• LDAP-Frontend: https://hyperion.ps.uni-saarland.de/phpldapadmin/

• PostgreSQL-Frontend: https://www.ps.uni-saarland.de/phppgadmin/

• MySQL-Frontend: https://www.ps.uni-saarland.de/phpmyadmin/

• Mailman-Frontend: http://www.ps.uni-saarland.de/mailman/listinfo

General information:

• UserManagement: about the Administration of the users' accounts

• EditingConfigurationFiles: what to do when editing files in /etc

• HowtoInstallAMacOSClient: a short howto on configuring a MacOS client

• HowtoCreateAVM: an explanation how to create a new VM on ofc

• SSL & Certificates

• Update Checklist: Things to check after an update

• TodoList: What still needs to be done

Information about our machines:

• ofc: xen dom0 server

• james: productive server

• orca: compute server

• redmine: redmine hosting

• courses: course webpages

• template: common setup for CentOS VMs

• hyperion: LDAP and other security critical data VM

• discourse: Our discourse VM

Information about our printers:

• picasso: Brother MFC-9840CDW (room 512)

• escher: missing info and page (print room)

• dali: missing info and page (ute)

Information about specific services:

• ListOfServices: a list of all services currently running on the lab machines

• LDAPServer: our LDAP server, and what it is used for

• MailServices: information about mail routing, the IMAP server, and mailing lists

• NameServer: information about our Domain Name Server

• MozartWebServer: configuration and setup of the Mozart web pages

• PortForwarding: configuration of port forwarding to test specific services during migration

• LegatoBackup: our backup solution

• Shorewall: firewall running on ofc

• DHCP: dhcp server running on ofc

• SSH: SSH server on all machines

• SElinux: A bunch of notes on SElinux

Outdated pages (should probably be deleted)

• HowtoInstallAClient: a short howto on installing a client system

• HowtoSetupPhpbb: an explanation how to set up the phpbb3 board for a lecture

• Munin: statistics, numbers and graphs about the system