How to generate a Keystore/CSR using keytool command/utility Keytool Utility: Keytool is a key and certificate management JDK utility which helps in managing a keystore of private/public keys and associated certificates. It allows users to administer their own public/private key pairs and associated certificates for use in self-authentication (where the user authenticates himself/herself to … Continue reading Keytool Command/Utility to generate a keystore/certificate request(CSR)
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JSTAT – JVM GC Performance Monitoring Tool
Monitoring Java garbage collection using jstat The jstat tool is used to displays performance statistics for an instrumented HotSpot Java virtual machine (JVM). Java memory management revolves around the garbage collector and Garbage collection is the process which is responsible to clean the heap memory and freeing space that is being taken up by unreferenced objects, … Continue reading JSTAT – JVM GC Performance Monitoring Tool
Java Heap memory usage using jmap and jstat command
Login to your Linux/Unix Server Enter the below command to get the JAVA PID running on the server. ps –ef|grep –i java From the output take the application JAVA PID. Using jstat command with gc option to find out the JVM Heap … Continue reading Java Heap memory usage using jmap and jstat command
How to generate a private key for a certificate(.jks/.crt) file – Unix/Linux
To generate the Private key from the .jks file from linux/unix server. We can use keytool and openssl utility to generate the private key from a .crt/.jks file. Command to use: Go to the location where your certificate file is located. Using Keytool command generate keystore file keytool -v -importkeystore -srckeystore keystore.jks -srcalias keyalias … Continue reading How to generate a private key for a certificate(.jks/.crt) file – Unix/Linux
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