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5.2 Archie und Telnet (Programme in den Datenarchiven finden, ytalk)

Der Archie-Dienst zum Suchen von Dateien auf aftp-Servern kann sowohl per E-Mail als auch interaktiv benutzt werden. In Kapitel 4.3 haben wir die Arbeitsweise mittels E-Mail vorgestellt, daher werden wir hier die interaktive Vorgehensweise mit Telnet beschreiben. Als erstes muß der Name eines Archie-Rechners bekannt sein. Hierzu finden wir in der Updated Internet Services List unter dem Oberbegriff FTP das Stichwort >>Archie<<. 
*FTP--------------------------------------------------------------------------
	  -Archie               telnet archie.sura.net or 128.167.254.194   [USA [MD]]
	                        telnet archie.unl.edu or 129.93.1.14        [USA [NE]]
	                        telnet archie.ans.net or 147.225.1.10       [USA [NY]]
	                        telnet archie.rutgers.edu or 128.6.18.15    [USA [NJ]]
	   offers: Searches all ftp sites for any program you want.  (Login: archie)
Als Beispiel soll das Programm ytalk (siehe Kapitel 3.9) gesucht werden. Dazu wird zunächst die Verbindung zu einem Archie-Server hergestellt: 
$ telnet archie.rutgers.edu
Trying 128.6.18.15 ...
Connected to archie.rutgers.edu.
Escape character is '^]'.

SunOS UNIX (dorm.rutgers.edu) (ttyv5)

login: archie
Last login: Wed Feb 22 22:46:14 from CS.MILLERSV.EDU
SunOS Release 4.1.3 (TDSERVER-SUN4C) #2: Mon Jul 19 18:37:02 EDT 1993
ALL ARCHIE SESSIONS IN USE

I'm sorry. This archie server is currently at the limit of its
interactive login sessions. Please use another archie server or try
again
later.
                -archie administration
------------------< List of active archie servers >---------------

    archie.au                   139.130.4.6     Australia
    archie.edvz.uni-linz.ac.at  140.78.3.8      Austria
    archie.univie.ac.at         131.130.1.23    Austria
    archie.uqam.ca              132.208.250.10  Canada
    archie.uqam.ca              132.208.250.10  Canada
    archie.funet.fi             128.214.6.102   Finland
    archie.univ-rennes1.fr      129.20.128.38   France
    archie.th-darmstadt.de      130.83.128.118  Germany
    archie.ac.il                132.65.16.18    Israel
    archie.unipi.it             131.114.21.10   Italy
    archie.wide.ad.jp           133.4.3.6       Japan
    archie.hana.nm.kr           128.134.1.1     Korea
    archie.sogang.ac.kr         163.239.1.11    Korea
    archie.uninett.no           128.39.2.20     Norway
    archie.rediris.es           130.206.1.2     Spain
    archie.luth.se              130.240.12.30   Sweden
    archie.switch.ch            130.59.1.40     Switzerland
    archie.nctuccca.edu.tw                      Taiwan
    archie.ncu.edu.tw           192.83.166.12   Taiwan
    archie.doc.ic.ac.uk         146.169.11.3    United Kingdom
    archie.hensa.ac.uk          129.12.21.25    United Kingdom
    archie.unl.edu              129.93.1.14     USA (NE)
    archie.internic.net         198.49.45.10    USA (NJ)
     archie.rutgers.edu          128.6.18.15     USA (NJ)
    archie.ans.net              147.225.1.10    USA (NY)
    archie.sura.net             128.167.254.179 USA (MD)
The current time is Wed Feb 22 22:46:37 EST 1995
Connection closed by foreign host.
$
Die entscheidenden Antwortsätze im Dialog sind: >>I'm sorry. This archie server is currently at the limit of its interactive login sessions. Please use another archie server or try again later.<< Eine recht häufige Situation bei Archie-Servern.

Also versuchen wir es bei einem anderen (netterweise gibt archie.rutgers.edu gleich eine lange Liste weiterer Server als Antwort), sinnvollerweise in Deutschland: 

$ telnet archie.th-darmstadt.de
Trying 130.83.22.1 ...
Connected to archie.th-darmstadt.de.
Escape character is '^]'.

UNIX(r) System V Release 4.0 (archie.th-darmstadt.de)

Welcome to the Archie-Server in Darmstadt, Germany. Please log in with
'archie'

If you notice any problems, contact
<archie-admin@archie.th-darmstadt.de>

        -Andreas

login: archie
Lastlogin: Thu Feb 23 04:36:52 from CLEM.MSCD.EDU
# Message of the day from the localhost Prospero server:

                      Welcome to archie.th-darmstadt.de
                              Vers 3.3 Beta
                   Technical University Darmstadt, Germany
          Administrative E-mail: archie-admin@archie.th-darmstadt.de

If you have problems or any hints, do not hesitate and drop me a line.
!!! Regex search is disabled at the moment to reduce server load. !!!
                                                       -Andreas Liebe

# Bunyip Information Systems, Inc., 1993, 1994, 1995

# Terminal type set to t100 24 80'.
# _rase' character is -?'.
# _earch' (type string) has the value _ub'.
th-archie> set match_domain de
th-archie> find ytalk
 # Search type: sub, Domain: de.
# Your queue position: 1
# Estimated time for completion: 5 seconds.
working...

Host gwdu30.gwdg.de    (134.76.128.230)
Last updated 03:59 20 Feb 1995

    Location: /linux/install/slack-src/n/tcpip/slightly-old/User
      DIRECTORY    drwxr-xr-x    8192 bytes  11:41 13 Nov 1994  ytalk

    Location:
/linux/mirrors/funet/util/networking/util-swan/Programs/User
      DIRECTORY    drwxr-xr-x    8192 bytes  16:56  8 Sep 1994  ytalk

Host harry.informatik.rwth-aachen.de    (137.226.225.3)
Last updated 14:11 16 Feb 1995

    Location: /pub/Linux/util/networking/util-swan/Programs/User
      DIRECTORY    drwxr-xr-x     512 bytes  23:00 13 Jul 1994  ytalk

Host hrz-ws26.hrz.uni-kassel.de    (141.51.12.12)
Last updated 17:05 14 Feb 1995

    Location: /p2/LINUX/slackware_source/n/tcpip/slightly-old/User
      DIRECTORY    drwxr-xr-x     512 bytes  11:09 13 Nov 1994  ytalk

Host gwdu30.gwdg.de    (134.76.128.230)
Last updated 03:59 20 Feb 1995

    Location: /linux/install/slack-src/n/tcpip/slightly-old/User/ytalk
      FILE    -rw-r--r--  177400 bytes  22:00  7 Feb 1994  ytalk.tar.gz

Host hrz-ws26.hrz.uni-kassel.de    (141.51.12.12)
Last updated 17:05 14 Feb 1995

    Location: /p2/LINUX/slackware_source/n/tcpip/slightly-old/User/ytalk
      FILE    -r--r--r--  177400 bytes  22:00  7 Feb 1994  ytalk.tar.gz

th-archie> quit
# Bye.
Connection closed by foreign host.
$
In den >>Location:<<-Zeilen werden verschiedene Quellen angegeben, an denen ytalk zu finden ist; wir benutzen im folgenden die erste: 
Host gwdu30.gwdg.de    (134.76.128.230)
Last updated 03:59 20 Feb 1995

    Location: /linux/install/slack-src/n/tcpip/slightly-old/User
      DIRECTORY    drwxr-xr-x    8192 bytes  11:41 13 Nov 1994  ytalk

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