The Local Computing Environment
There are 9 Intel Linux Workstations:
Annapurna (Rm 226), Andes (Rm 224), Denali (Rm 205),
Longs (Rm 222), Maroon (Rm 225), Radarmet (Rm 205), Rainier (Rm 208),
Shasta (Rm 208), and Teton (Rm 226).
Linux is a free Unix operating system. Radarmet is the server for the group.
Email for the group comes to Radarmet, and Radarmet serves as the group's
ftp and web server. The /home directories are on Denali.
Also there are a PC, Cascade, and a Mac, Cook, in Room 226. They have
Microsoft Office on them.
Hard Disk Usage
It is best (but not necessary) to run the programs on the same machine where
the data resides.
The data disks are remotely available on most all machines, so one can access
the data on a variety of machines. To access a data disk on another machine
one goes to the directory '/net/machinename/diskname'. The
diskname is usually 'data'.
You may also need to set an environmental variable to point to the data.
There are several
environmental variables (TMPDIR, SCRATCH, DORADE_DIR) which point
programs to the chosen directory.
Changing the Environment
C Shell (tcsh) is the shell (i.e. environment) that is default.
For each window
has its own shell running with the default settings in '.cshrc'. (The default
settings are set when the window is created.) When one changes the settings
in a window (by 'source .cshrc'), it is changed only for that window.
Files that begin with a '.'
are hidden files and can be viewed with 'ls -a'. Many of the files that
begin with a '.' are configuration files. Many default configurations are set
at the system level, but they can be overridden by one's local configuration
files. One common configuration is the mail alias 'radarmet' which allows
one to send mail to everyone in the group.
From the Linux workstations
one can send a text file or a postscript file to the
printer by 'lpr File'.
One can save
paper and put several pages of text on one page by 'T2 File' (two
pages) and by 'T4 File' (four pages). Similarly four pages of
postscript output can be put on one page by 'P4 File'.
Description of "Commonly Used" Programs
Graphics Programs and Packages
Remote Secure Access From MS Windows
Secure Remote Shell