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How-To Guides
Learn how to perform essential tasks with our extensive library of how-to guides.
If you are trying to solve a specific problem, please see the troubleshooting section.
General Tasks
- How to Check Which Version(s) of Java are Installed or Running
- Using the Operating System's Underlying zlib Library
- How to Use the TZUpdater "-l" Option to Add New Timezone Data to JDK or JRE Installations
- TZUpdater Tutorial on Oracle LiveLabs
Obtaining Thread Dumps (Stack Traces)
- How to Obtain a Thread Dump (Stack Traces) from a Java Process or Core File of a Java Process on Windows
- How to Obtain a Thread Dump (Stack Traces) from a Java Process or from a Core File of a Java Process on Linux
- How to Obtain a Thread Dump (Stack Traces) from a Java Process or from a Core File of a Java Process on macOS
Deployment
Security-Related Tasks
- X.509 Certificate Structure and Analysis Methods
- Disabling and Restricting Cryptographic Algorithms in the JDK
- How to Determine which TLS Version an Application is Using
- Enabling SSL Debugging on Oracle LiveLabs