Kbase 18833: About Yellow Pages
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
30/11/1999 |
|
This kbase can be used when you have error 777.
Title: About Yellow Pages
KnowledgeBase number: 18833
Creation Date: 14 May 1999
Modified Date: 18 May 1999
Modified Date: September 16 1999
Modified Date: November 30 1999
Summary:
Several Progress errors associated whit 'tcp protocol problem' or 'not
services available', can be related with YP problem.
Step by step details:
NIS ( Network Information Services ) was before known as Yellow Pages,
the associated protocol was also known as the YP protocol.
NIS is a distributed system: it operates with several servers on
different computers in the network. One of the server is designated
'master server'; the slave server are always the last version by the
master server.
NIS map contain data records and index key.
Available files:
/etc/passwd
/etc/group
/etc/hosts
/etc/ethers
/etc
etworks
/etc/rpc
/etc/services
/etc/protocols
/etc
etgroup
When you work in a NIS scenario, make be sure that you pointing to the
true file. Example: /etc/service; use 'ypcat' command; otherwise, if
you uses a 'cat' command you can be addressed to a slave machine and
the service name that you search does not exist or exist with a
different port number.
dal
May 18 1999.