IRAF Install Steps

IRAF Installation Tutorial

22/11/2012

http://www.youtube.com/user/SmartCookiev1

Iraf alternative Iraf alternative installation links: http://ubuntuforums.org/showthread.php?t=912583 http://www.astr.tohoku.ac.jp/~akhlaghi/irafinstall.html http://www.starlink.rl.ac.uk/docs/sg12.htx/node32.html#INSTALL http://qxyang.lamost.org/website/astro/iraf-installing-guide-in-fedora/ http://www.bloggang.com/mainblog.php?id=evenstar&month=20-09-2011&group=1&gblog=1 http://www.astro.uson.mx/~favilac/linastro.html http://geco.phys.columbia.edu/~rubab/iraf/iraf_step_by_step_installation https://help.ubuntu.com/community/Secci%C3%B3n%20Astronom%C3%ADa

Tips: 

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Use these commands as a baseline for your distribution. Create a txt file with the commands a priori for the complete installation. Copying and pasting commands from this file will execute them directly in the terminal (“\n” bug to be solved in the incoming videos) The last link above describes an alternative (non‐official) way to install IRAF. Maybe simpler, it is based on mounting a digital CD where iraf is iraf is already install and you transferred it to your PC.

Iraf Installation Installation steps: steps: Download necessary files 

Firstly make sure your system is updated. Open a terminal window.

sudo apt ‐get get update update 

To make sure which are the packages you need to download. You can discover your computer architecture this by using the command:

uname ‐m 

Now download the one corresponding IRAF package for your distribution (http://iraf.noao.edu/ ) Example, using terminal commands for Ubuntu: o

32 bit

ftp://iraf.noao.edu/iraf/v216/PCIX/iraf.lnux.x86.tar.gz wget ftp://iraf.noao.edu/iraf/v216/PCIX/iraf.lnux.x86.tar.gz wget o

64 bit

ftp://iraf.noao.edu/iraf/v216/PCIX/iraf.lnux.x86_64.tar.gz wget ftp://iraf.noao.edu/iraf/v216/PCIX/iraf.lnux.x86_64.tar.gz wget 

Similarly, download the corresponding x11iraf package for your distribution (http://iraf.noao.edu /x11iraf/ ). ). Example, using terminal commands for Ubuntu:

http://iraf.noao.edu/x11iraf/x11iraf-v2.0BETA-bin.linux.tar.gz wget http://iraf.noao.edu/x11iraf/x11iraf-v2.0BETA-bin.linux.tar.gz wget 1


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Create IRAF/X11IRAF folders structure 

First, we give us super‐user permissions

sudo ‐s 

We create the IRAF directory tree. (Mac users should attempt use /applications/ as the installation location)

mkdir /iraf mkdir /iraf/iraf mkdir /iraf/x11iraf 

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We proceed by moving and extracting our files packages to their corresponding folders. For example in my installation: Move files

mv x11iraf ‐v2.0BETA‐bin.linux.tar.gz /iraf/x11iraf/ mv iraf.lnux.x86_64.tar.gz /iraf/iraf/ 

Extract x11Iraf

cd /iraf/x11iraf/ tar xzvf x11iraf ‐v2.0BETA‐bin.linux.tar.gz 

Extract Iraf

cd /iraf/iraf/ tar xzvf iraf.lnux.x86_64.tar.gz

Create IRAF account 

Install the tcsh terminal: This package contains “an enhanced but completely compatible version of the Berkeley Unix C shell (csh)”. This is the syntax IRAF needs.

apt ‐get install tcsh 

Create the account. Provide a password easy to remember. All additional options can be left blank (enter)

adduser iraf ‐‐home /iraf/iraf/local ‐‐shell /bin/csh ‐‐ingroup sudo 

Give the Iraf account permissions to use the Iraf directory tree

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chown iraf ‐R /iraf 

We log into the Iraf Account

su iraf 

First, we give it superuser permissions

sudo ‐s 

Set the IRAF environment

setenv iraf /iraf/iraf cd /iraf/iraf/unix/hlib source irafuser.csh

Install X11IRAF -----------------------Only for x86_64, ie 64 bits distribution, users--------------------------------------------Install missing packages x32: We use the ia32 which is defined as: “ This package contains runtime libraries for the ia32/i386 architecture, configured for use on an amd64 or ia64 Debian system running a 64‐ bit kernel.” 

apt ‐get install ia32‐libs -----------------------------------------------------------------------------------------------------------------We move to the x11iraf folder 

cd /iraf/x11iraf/ 

We execute the install script

./install  

All steps must be valid. To confirm the installation open a new terminal (ctrl+alt+t) and try to open a xgterm terminal by

typing xgterm If you receive an error it is likely you will be warned about a missing file. Try to google its name and which package you need to download. Maybe the iac32 above will work for you. 

Install IRAF 

We move the IRAF package to our directory tree. In my case:

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cd /iraf/iraf/unix/hlib 

We may proceed with a “Simulated installation of IRAF” with:

./install –n Where we say yes to all options except network (We may enter in a loop from which we leave by saying no) 

If we get the =====Installation Completed With No Errors===== Message. We proceed with the real installation: 

./install

First IRAF Run We move to the folder where we want to have our Iraf (personal) folder. For example, I shall put it within the home folder: 

cd /home/user/ 

Execute mkiraf and choose xgterm terminal

mkiraf 

Write xgterm as terminal



Now we open here an xgterm terminal:

xgterm 

Finally open IRAF from Iraf folder (where the login.cl file is located)

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If you are able to log you have successfully installed IRAF.

cl

(Optional) Hide iraf user from login screen: 

This is the official solution but it does not work (So it is actually an official bug). You will need to wait for your distribution to fix it. o

These commands will allow you to delete the iraf “name” from the login screen. It will not delete the account. First you need to edit the users.conf (in Ubuntu 12.04!). Open a terminal and execute these commands: 4


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cd /etc/lightdm/ o

Open the file users.conf:

sudo gedit users.conf

o

In the “hidden‐users=” add iraf. Example

hidden‐users=iraf nobody4 noaccess o

Reboot the computer.

An unofficial solution consists in assigning a uid to the account below 1000. It should not cause any problem but if you want to hide more accounts you need to introduce a different number: 

sudo usermod ‐u 999 iraf 

Reboot the computer or restart the lightdm manager

sudo restart lightdm

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IRAF Install Steps

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