TNS-12541 TNS-12560 TNS-00511 Linux Error: 111

[oracle@localhost ~]$ lsnrctl LSNRCTL for Linux: Version 10.2.0.1.0 – Production on 18-JAN-2012 22:45:15 Copyright (c) 1991, 2005, Oracle. All rights reserved. Welcome to LSNRCTL, type “help” for information. LSNRCTL> reload Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521))) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused LSNRCTL> service Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost.localdomain)(PORT=1521))) TNS-12541: TNS:no […]

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MQ admin Commands

MQ administration Commands dspmqver :- to display MQ series version dspmq :- to view all queue managers of MQ series. crtmqm :- to create a queue manager strmqm :- to start queue manager runmqsc :- to enter in to particular queue manager endmqm :- to end a queue manager dltmqm :- to delete a queue […]

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The Web Security Glossary

Description The Web Security Glossary is an alphabetical index of terms and terminology relating to web application security. The purpose of the Glossary is to clarify the language used within the community. Complete Document [PDF] size: 140 kilobytes Project leader: Robert Auger (contact @ webappsec org) Abuse of Functionality: An attack technique that uses the […]

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Web Application Security Scanner List

The following list of products and tools provide web application security scanner functionality. Note that the tools on this list are not being endorsed by the Web Application Security Consortium – any tool that provides web application security scanning functionality will be listed here. If you know of a tool that should be added to […]

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SSL handshake failure debug on weblogic

We can add an environment variable JAVA_OPTIONS with this value: “-Dssl.debug=true -Dweblogic.StdoutDebugEnabled=true -Djavax.net.debug=all” Also, in WLS I enabled debugging for these topics: ->Environment->Servers->AdminServer: tab ‘Debug’: – Default: DebugSSL – Weblogic, node ‘Security’: certpath, certrevocchecking, credmap, keystore and ssl

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how to treat a Linux hacked server

This guide is not a step by step tutorial on how to clean a compromised server, rather it is a reference to illustrate what tools are available for performing an analysis of the compromise. The goal of this guide is to show you what information is available to help you determine: Point of entry The […]

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Disk Performance iostat

Use iostat to get the performance data # iostat -x Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util sda 0.48 2.76 1.90 0.92 56.44 29.40 30.53 0.01 4.48 2.46 0.69 Work out the queue length requests * average wait time / 1000 = queue length ((1.90+0.92) * 4.48) / 1000 = […]

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