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Top Forums UNIX for Advanced & Expert Users System cutover - name resolution Post 15786 by thekid on Tuesday 19th of February 2002 12:32:29 PM
Old 02-19-2002
System cutover - name resolution

Here's the story. We are in the process of migrating from a Sequent unix machine running Dynix/ptx 4.4.8 to an IBM P660 machine running AIX 5.1.

An issue came up pertaining to different applications that have been hard-coded to resolve to the Sequent machine (seq2). When the cutover occurs, the applications will need to be pointed at the IBM machine (palprod).

Will adding the old hostname to the host files (entry for new machine would also contain old machine name) that reside on the application's machine do the trick as long as we shut down the old machine at the cutover time? Are there any gotchas out there that pertain to this type of solution?

The apps are written in Cobol, Progress, C, and VB.

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NOAUTH(5)							AFS File Reference							 NOAUTH(5)

NoAuth - Disables authorization checking DESCRIPTION
The NoAuth file, if present in a server machine's /var/lib/openafs/local directory, indicates to the AFS server processes running on the machine that it is not necessary to perform authorization checking. They perform any action for any user who logs into the machine's local file system or issues a remote command that affects the machine's AFS server functioning, such as commands from the AFS command suites. Because failure to check authorization exposes the machine's AFS server functionality to attack, there are normally only two circumstances in which the file is present: o During installation of the machine, as instructed in the OpenAFS Quick Start Guide. o During correction of a server encryption key emergency, as discussed in the OpenAFS Administration Guide. In all other circumstances, the absence of the file means that the AFS server processes perform authorization checking, verifying that the issuer of a command has the required privilege. Create the file in one of the following ways: o By issuing the bosserver initialization command with the -noauth flag, if the Basic OverSeer (BOS) Server is not already running. o By issuing the bos setauth command with off as the value for the -authrequired argument, if the BOS Server is already running. To remove the file, issue the bos setauth command with "on" as the value for the -authrequired argument. The file's contents, if any, are ignored; an empty (zero-length) file is effective. SEE ALSO
bos_setauth(8), bosserver(8) COPYRIGHT
IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. OpenAFS 2012-03-26 NOAUTH(5)

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