Department of Mathematics

Power outage on Saturday, 12.06.2021

Update: 16.06.2021, 2:30 pm

the computeserver hidalgo is available.

Update: 16.06.2021, 2:30 am

the git-server ( )is available.

Update: 14.06.2021, 02:00 am

the maintenance work on the central it-infrastructure is almost finished and most service are available. Due to the replacement of the central file server, changes in the configuration of the workstations may be necessary (not for AGTM, FKZ, AG Optimization):

The following services are currently unavailable:

  • computeserver hidalgo (software problem)
  • git server of the department (cvs)

We are trying to make the missing services available again as soon as possible. If you have any questions or problems, please contact us via e-mail ( support(at) ) or ticket ( ).


Power outage on Saturday, 12.06.2021

On Saturday, 12.06.2021, there will be a planned power outage in building 48 due to necessary work on the power distribution.
Therefore, all departmental computer systems will be shut down on Friday, 11.08.2021, 15:30 - this affects mostly building 48, but some services are relevant for all our locations:

  • No network access in building 48: please shutdown your office computers during maintenance.
  • No network-printing will be available.
  • Incoming e-mails will be cached at the RHRK and delivered after maintenance - no e-mails will get lost. There will be no possibility to send e-email via our systems (, webmail) or to access your mailbox during maintenance.
  • Central fileservices (NFS, SMB) and home directories will not be available. This affects also the Optimization group in building 14 (!)
  • Virtual machines and websites hosted by CTM will be offline.
  • Remote login servers (i.e. and computeservers will be shutdown. We ask you to finish all running jobs before maintenance starts. Any running jobs will be cancelled with the beginning of maintenance.
  • The terminal rooms 419, 421 und 521 will be closed.

Maintenance starts on Friday at 3:30 pm o'clock and may continue until monday 9 am.

Re-establishment of central services (e-mail, network access) will be prioritized.

In case of further questions, please contact us.

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