Introduction

The past half year has seen a rapid expansion of UNIX hosts and utilities at the JAC. Sun Sparcs are now available both at the summit as well as HP. Although the VAXes will remain available, we expect that over the course of the next year most of the data reduction will shift towards the Suns. The two most critical programmes SPECX (spectral line) and JCMTDR (continuum) are in the final stages of being ported to Unix. On the long term, the JCMT plans to move its real-time telescope operating system from VMS to UNIX as well.

In this article I briefly want to outline the network setup and (UNIX) utilities available at the JAC. I also want to take the opportunity to solicit suggestions for software you would like to be available while observing.

A general introduction for new UNIX users is available as the document `Introduction to UNIX at JAC' e.g. via the JAC WorldWideWeb server:

(http://jach.hawaii.edu/).

Networks

The local JCMT network consists of two parts: the general JAC Ethernet (jach.hawaii.edu) and the JCMT summit Ethernet (jcmt.jach.hawaii.edu). The general JAC Ethernet includes the network at HP. Because the summit is a separate subnet one has to specify the `.jcmt' bit explicitly when trying to access hosts at the summit from Hilo. Thus, use `rlogin mwtred.jcmt' rather than `rlogin mwtred'. From the summit, the network will automatically default to the general net if the host is not found locally.

By the time of this publication all terminal servers will be `dual protocol', hence capable of accepting TCPIP commands. From the server prompt on a VT330 display one can directly connect to any Internet node without having to login to a local host first.

Hosts

A new setup for visitor accounts is being described elsewhere in this newsletter. The following table lists the hosts currently available to visitors:

JAC (jach.hawaii.edu):

ulu	(bread fruit)		Sun Classic

hala	(screw pine)		Sun LX

kala	(the sun)		Sun IPX

kaua	(the rain)		Sun LX

makamakahiki			Sun LX

menehune  (hawaiian troll)	Sun 20/502

				(DB server)

maile	(fragrant flower)	Sun LX

malama   (server)		SUN 20/61

				(UNIX server)

awa	(hawaiian drug plant)	Dec Alpha

				(Unix)

maikai	(strong)		VAX 4000/60

kekoa	(koa tree)		VAX 4000/60

nahoku   (stars)		VAX 3500

kealii	(ohia flower)		VAX 4000/60

				(VAX server) 

moemoe  (sleep)			Sun LX

(two X-terminals)

ieie	(highland vine)		Sun LX

				(DB server)

mwtred				VAX 4000/60

HP LaserJet printers are available at the summit, in Hilo and at Hale Pohaku. All of these printers can accept postscript as well as ASCII format. It is possible to print across the network from a machine at any site to the printers at the other sites. For more details, including queue names, see JAC User Note 6.1.

Exabyte and DAT tape drives are available at JCMT and in Hilo, and a DAT at Hale Pohaku. The Exabyte at JCMT is low-density format (max 2.3 Gbytes on a 90m tape). The DAT at JCMT is primarily for use in making system backups -- if you want to use it, the TO should be able to help. The DAT drive at Hale Pohaku is on a SPARCstation. To use this drive for archiving VAX data, please contact a member of the Computing Services Group.

Reduction Software

A number of astronomical data reduction packages are available on the SUNs, in addition to the familiar ones on the VAXes. Although we have tried to be thorough during the installation, many packages have seen little use at this time and users should not be surprised if some more feedback will be needed to get all bells and whistles in place properly.

(J: installed at JAC only, not available on summit computers)

Astronomical Data reduction:

STARLINK	- All SOLARIS Starlink utilities

SPECX		- (expected in near future)

CLASS		- IRAM single-dish data reduction package

CFITS		- IRAM fits-to-class file conversion

GAG		- IRAM GAG utilities:

   GreGPLOT, astro, cfits, class, gag_ps_header.ps,

   gagdef.bin, gagplot, gfits, graphic, greg, gregfont.bin,

   grfont.dat, gtvdef, lwxy, overlay, vector

IRAF		- NOAO IRAF

AIPS  (J)	- NRAO data reduction package   

MIRIAD  (J)	- BIMA reduction package

GIPSY     (J)	- Groningen Image Processing SYstem 

wip		- Mongo like interactive PGPLOT

sm		- SM (a.k.a. Super Mongo) interactive plot facility 

pgdisp		- PGPLOT X-windows display (pgplot device: \xdisp) 

schedule   (J)	- Displays JCMT SCHEDULE (jcmt.jach.hawaii.edu only)

vehicle	- Displays VEHICLE schedule on VAX

csh		- C-shell

tcsh		- Enhanced C-shell

sh		- Bourne shell

ksh		- (Korn) Enhanced Bourne shell

bash		- Bourne again shell

olwm	- Open Look window manager for OpenWindows

olvwm	- Open Look virtual window manager, also for X11

twm	- Tab Windows Manager for X11

tvtwm	- Virtual Tab Windows Manager for X11 

emacs		- GNU emacs

vi		- as usual

jed		- Starlink EDT emulation