12-12-2017
Slowness issue
Oracle database is facing slowness issues frequently on AIX server. So can anybody suggest how to fix these issues from OS end? Do we need to tune any parameter in AIX to resolve this issue?
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Last edited by RudiC; 12-12-2017 at 01:30 PM..
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LEARN ABOUT DEBIAN
ngorca
NGORCA(1) User Manuals NGORCA(1)
NAME
ngorca - Password recovery tool for Oracle databases
SYNOPSIS
ngorca [ -f hashfile ] [ OPTIONS ]
DESCRIPTION
ngorca is a multithreaded password recovery tool using exhaustive key search for Oracle versions 7-11g Rel.2. Due to the weak hashing
algorithm and constantly improving hardware performance, passwords can be found in minutes, depending on their length.
OPTIONS
-f hashfile
To use ngorca a list of usernames and hashes is required, which has the format username:hash. The username has a maxiumum length of
64 characters and the hash is always a 16 byte hex value. If the 11g algorithm is used a 40 byte SHA1 plus 20 bytes salt must be
added. The hash values are calculated one after another. Example of hash file entry with old DES hash and SHA1 hash:
NETGARAGE:5D7F5FD88AE4C07F:EAC3EAC57FF0635AB298EB40CBDA1BB45DFC1B7F20464AA591C1613A2CB8
-l password length
The length of the password. If this option is not set, passwords with the length of 5-8 bytes are calculated.
-c charset
The charset of the password. 1 for numeric, 2 for alpha, 3 for alpha numeric and 4 for alpha numeric with special characters. The
default is alpha numeric.
-t thread number
The number of threads which should be used. It is recommended to take the number of cpu's which you want to involve in the calcula-
tion for the best result. Per default one thread is used.
-o logfile
A logfile could be specified. It contains the passwords which are found and some info messages. The default logfile name is
ngorca.log placed in the directory the binary runs in.
-v verbose level
Loglevel for the logfile and standard output 1-4 with 4 as the highest level which contains percent printouts. The default loglevel
is 1.
EXAMPLE
ngorca -f hashlist -c3 -l6 -t2 -v4
BUG REPORT
For bugreporting write a mail to ebrosius@netgarage.org or use the issues tracker on the project hosting site
http://code.google.com/p/ngoca
COPYRIGHT
ngorca is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your option) any later version.
AUTHOR
Dennis Krzyzaniak <ebrosius@netgarage.org>
SEE ALSO
the project site http://netgarage.org
Linux October 2009 NGORCA(1)