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Aisa is a Dell PowerEdge R930 computer with the configuration:

  • 4 16-core Intel® Xeon® E7-8860 v3 processors running at 2200 MHz (3200 MHz turbo)
  • Each core has 256 KiB L2 cache
  • Each processor has 40 MiB of shared L3 cache
  • Four 480 GB SSDs in RAID 10 configuration, 0.96 TB of logical capacity
  • Connected to the network at 10 Gbit/s full-duplex
  • 512 GiB of RAM in thirty-two PC4-17000 modules
  • Red Hat Enterprise Linux version 7 operating system

The computer is physically located in the air-conditioned hall of the data centre of the Faculty of Informatics.

Every FI student and teacher has an account on this computer. The computer is the primary student server, which can be accessed via SSH or also via Mosh.

Users connect to the home directory from the storage, just like on the other stations in the computer lab and classrooms. Thus, no matter where the user sits, they always have the same home directory.

Please keep in mind that this is a shared machine and is not designed for heavy computing. See running calculations for more info.

Any user can receive email on Aise. It also runs the student and faculty web servers, as well as POP3 and IMAP4 servers.

You can also read a blog post about how an attacker tried to mine cryptocurrency on Aise a long time ago and how we detected him.

The origin of the name

The name Aisa comes from Greek mythology: Aisa (second fall of Aisa) - one of the goddesses of fate. She was usually considered to be the goddess of that fate of which man himself is the author.

Vojtěch Zamarovský: Gods and heroes of ancient myths