Achtung, das Originalformat war Star Office 6.0 (.sxi). Die Konvertierung nach PowerPoint (.ppt) ist...
-
Upload
haley-hewitt -
Category
Documents
-
view
213 -
download
0
Transcript of Achtung, das Originalformat war Star Office 6.0 (.sxi). Die Konvertierung nach PowerPoint (.ppt) ist...
Achtung, das Originalformat war Star Office 6.0 (.sxi).Die Konvertierung nach PowerPoint (.ppt) ist nicht ganzreibungslos verlaufen, so dass vieles falsch angezeigtwird!
Newsgroups and Usenet
What is a newsgroup?
DE
COMM (communications)
REC (recreation)
ADMIN (administrative)
SPORT
TV
How to find a specific group?
Newsgroups and Usenet
What is a newsgroup?
How to find a specific group?
- e.g.: de.comm.software.newsserver
- miscellaneous: de.comm.software.misc
Installation and configuration of newsservers
For topics without an own group
Newsgroups and Usenet
What is the Usenet?
- Union of different newsgroups - The big 8
comp rec misc newssocsci talk humanities
- Country identifications e.g. de, ch, at...
Newsgroups and Usenet
Not belonging to the usenet:
- microsoft.*
- z-netz.*
- maus.*
Newsgroups and Usenet
Many different servers
Free Servers e.g. news.fu-berlin.de
Access restrictions
Exchange of articles between servers
Newsgroups and Usenet
Rules of behaviour:
- correct citing
- no HTML
- real name, correct E-Mail-address
Netiquette:
Newsgroups and Usenet
Newsgroups and Usenet
Newsgroups and Usenet
Newsgroups and Usenet
Newsgroups and Usenet
Newsgroups and Usenet
Newsgroups and Usenet
MIME: Multipurpose Internet Mail Extensions
Newsgroups and Usenet
Threading
- unique Message-Ids- References Header
Threading
Message-ID: <[email protected]>References:<[email protected]>
Headers of news articles
From: [email protected] (Marc Langer)Subject: Re: some topicDate: Tue, 18 Dec 2001 08:12:45 GMTNewsgroups: de.testMessage-ID: <[email protected]>References:<[email protected]>
<[email protected]>MIME-Version: 1.0Content-Type: text/plain; charset=ISO-8859-1Content-Transfer-Encoding: 8bit
Newsgroups and Usenet
Rules for creation and deletion of groups
- Request for Discussion (RfD)
- Call for Votes (CfV)
- Result
- if successful: appropriate action
control messages: PGP signed
Newsserver
- Standards (NNTP)
- Newsfeeds to other servers(flood fill)
- UUCP: Unix to Unix CoPy
- Satellite feeds (20 MBit/s, 150 GB a day)
Newsserver Configuration
- Example: INN 2.2 on Debian
- Configuration files in /etc/news:
* inn.conf (domain, hostname) * control.ctl (verification of controls) * incoming.conf / nnrp.access * newsfeeds
- Manual group creation: ctlinnd newgroup de.group.name