We are currently have several network printers: the HP laser printer in the downstairs computer room (down), the HP printer in the upstairs computer room (up), the color laser printer in the downstairs computer room (color), the Tektronix color dye-sublimation printer in the upstairs computer room (c1), and the HP Design Jet 500PS poster printer (hp_poster), and Rene's laser printer (rene). The downstairs laser printer is set as the default printer. Printer information is summarized in the following table:
|Printer queue name||Location||Default?||Printer model||Interface||Network name||Language||Driver|
|copier/newcopier||Room 116||Canon||Ethernet||astro-copier||Postscript||CUPS on astronomy|
|expensive||Room 118||No||Brother MFC-9840CDW||Ethernet||astro-mfc9840cdw||Postscript||CUPS on astronomy|
|down||Room 116||Yes||HP LaserJet 2400dtn||Ethernet||astro-hp2430||PostScript||CUPS on astronomy|
|up||Room 217||No||HP LaserJet 4200||Ethernet||astro-hp||PostScript||cups on astronomy|
|c1||Room 116A||No||Tektronix Phaser 450||Ethernet||astro-color||PostScript||cups on astronomy|
|hp_poster||Room 107A||No||HP DesignJet 500PS||Ethernet||astro-bigprint||PCL||cups on astronomy|
|color||Room 116||No||HP Color LaserJet 2605dn||Ethernet||astro-hp2605dn||cups on astronomy|
|rene||Room 204||no||HPLaserJet6P||Ethernet||prt-rene||PostScript||cups on astronomy|
|holtz||Room 102||no||Brothter HL4570CDW||holtz||PostScript||cups on astronomy|
For the upstairs and downstaris printers (-Pup, -Pdown, -Pcolor), you can specify options on the command line for varions printing options, e.g.:
You can also configure your print jobs using the graphical xpp command.
Printers are managed on the Linux machines using a commercial software product, PrintPro; this functionality is built-in to RedHat distributions from version 7.3 on. This allows printing via the normall UNIX commands: lp and lpr (on some of the machines, there is an additional graphical printing interface, glp). Documentation is available for the user interface and for the administrators guide. Configuration can be done using /usr/sbin/printers or via the Web at http://astrodisk:631.
The two laser printers and the HP can be accessed directly via embedded web servers.
Making posters is relatively straightforward. There is a non-negligible cost to make these, so it is best to get it right the first time and not to have to make too many attempts.
We have three kinds of paper available; in order of expense, these are: lightweight paper, heavyweight paper, and glossy paper. It is very easy to switch between different rolls (you use the menu items on the printer itself to load and unload rolls). The poster printer has 42 inch wide paper; hence you want one of the two dimensions of your poster to be smaller than this size. To avoid needing to make long cuts, you might want to choose to have either the vertical or horizontal dimension be exactly 42 inches.
There are numerous ways one might make a poster for the poster printer. Here I mention a few possibilities:
To include graphs, photos, illustrations, etc., you can use the ``Picture'' button to include Postscript, GIF, JPEG, and several other formats. The figure will be resized to fit into the box that you create; in most cases, you will probably want to adjust the height/width ratio to its original value using the "Shrink to orig" or "Expand to orig" buttons in the Picture menu. Once the H/W ratio is correct, you can resize it preserving this ratio using the ``Scale'' button by pulling on one of the corners of the object.
Once you have a nice looking poster from xfig, save it into a filename.fig file, using ``Save As'' from the ``File'' button.
There is a simple script available that will convert this file to a large PostScript file and submit it to the printer with the correct page size; you can run this using:
where filename is the name of the file without any extension. After converting the poster to PostScript, this script will ask you to confirm that you really want to send it to the poster printer! Make sure you are happy with the poster and that the appropriate type of paper is loaded in the printer before printing.
You can make a miniature (8.5x11) version of the poster using, e.g.:
fig2dev -L ps -m 0.2 filename.fig filenamemini.ps
You can adjust the size by changing the magnification factor (0.2 in above example). This can then be printed to one of the laser printers or to the Epson color inkjet printer (lpr -Pepson filenamemini.ps)
I need to customize the style files, etc., to get this to work nicely with our printer.
Note that if you want to include an NMSU logo on your poster, you can get one here (also see the official university site)
Most computers come with an internal CDROM drive. After inserting a disk, the CDROM can be immediately accessed through the directory /misc/cdrom, as the device is auto-mounted. It should automatically dismount if it is not accessed for a short period of time. You can manually force a dismount (e.g. if you want to eject the disk), using: umount /misc/cdrom.
Many, but not all, of the individual machines have CD writers. The easiest way to burn things to the CDROM is probably to find the menu items available through your window manager.
If this is not available, create a directory hierarchy that you want to be copied to the CDROM; the capacity of a CDROM disk is 650 Mbytes. Issue the command:
to copy all of the files under the specified directory to the CDROM. This will take up to half an hour. The final step in the process compares the files on disk to those on the CDROM; if you see any error messages here, there may have been problems with the write (although sometimes you get errors here when everything is still fine).
Several machines have DVDROM readers. These are accessed just like the CDROMs, and in fact, the DVD readers also read regular CDROMs. On io, there is both a fast CDROM reader as well as a DVD reader (both located in the computer case). The CDROM is accessed through /misc/cdrom; the DVD is accessed through /misc/dvd. Other machines with DVDROM drives are aphrodite and maritimus.
Linux can read floppy disks, including those formatted by DOS/Windows. If you have a floppy drive, after inserting a disk, it can be immediately accessed through the directory /misc/floppy.
Linux supports many SCSI tape drives. Currently, we have one 8mm Exabyte drive and two 4mm DAT (one DDS3 and one DDS) drive installed on the machine astrotape, which is located in the downstairs computer room. It can be accessed through using normal UNIX tape commands (tar, mt, etc.). The Exabyte drive has a capacity of 8 Gby; the DAT DDS has a capacity of 4 Gby. The DAT DDS3 drive on astrotape has a 24 Gby capacity, and an even higher capacity DAT DDS4 drive on maritimus. Tape drive availability is summarized in the following table.
|Tape drive||Host computer||Device name|
|Exabyte 8mm||astrotape||/dev/st? /dev/nst?|
|DAT 4mm (DDS)||astrotape||/dev/st? /dev/nst?|
|DAT 4mm (DDS3)||astrotape||/dev/st? /dev/nst?|
|DAT 4mm (DDS4)||maritimus||/dev/st0 /dev/nst0|
The /dev/stn devices will automatically rewind after each access; the /dev/nstn will not rewind.
Occasionally, one may get I/O errors when trying to read tapes. One thing to check if this occurs is whether the block size is incorrectly set on the tape drive. In general, the tape drive block size should be set to 0, which means it should be able to adapt to whatever block size the tape was written with. You can check the tape drive setting using the command: mt -f device status, and you can change the blocksize (to 0) using: mt -f device setblk 0.