In Elder, Hering, Eltoft Labs, and Available Remotely
The Linux workstations that are in the Elder, Hering, and Eltoft labs are single-user machines, named l-lnx100 through l-lnx131. The /var/tmp directory is available on each l-lnx1xx machine, but because there is no remote login via ssh, if you use /var/tmp, you will need to sit at the same computer to use files stored there. If you sit at a different Linux machines and want to access the same files, put those files in your home directory.
There are six (6) Linux workstations available remotely. They are multi-user machines with more core and RAM than the single user workstations. These machines are named c-lnx000 through c-lnx005 and are available via ssh. You can ssh to the specific machine you want to use, perhaps because you have stored files in /var/tmp, or access them using login.engineering.uiowa.edu. Because no one can actually sit in front of those machines, the USB drives and CD/DVD drives are not available.
You can get to any of the Linux machines using FastX, which serves the Linux graphical interface to your local Windows or Macintosh computer.
To help you choose which machine you might want to connect to, note the RAM, core, and CPU information in the table below.
| Machine name | RAM (gb) | cores | CPU |
| c-lnx000, 001,002, 003, 004, 005 | 384 | 16 | 2.9 GHz Intel Xeon |
| c-lnx006 | 72 | 8 | 2.9 GHz Intel Xeon |
Using /var/tmp, Linux local storage
ECS manages temporary local disk storage, /var/tmp, on Linux workstations. ECS suggests that some packages be run from the local disk storage area because these packages create very large scratch files, which do not fit within quotas and slow network performance when run from your H: drive. The local storage area must be cleaned out for system upgrades, machine failures, or when the disk fills up. You must make your own backups of files on the temporary /var/tmp space.
At the end of each semester (including the summer term) and for system upgrades, performance issues, or a full disk, ECS will remove files from /var/tmp. You must save files that you want stored in /var/tmp before our clean up. If we have to clean out /var/tmp in the middle of a semester because of unavoidable circumstances, those files will not be saved.
Schedule
/var/tmp will be cleaned out the first working day after grades are submitted to the Registrar for the fall, spring, and 8-week summer sessions, assuming that ECS has not needed to clean up /var/tmp for reasons noted in the paragraph above. The grade due date is published in the University calendar.