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keytool — A certificate management utility included with Java. More information: <https://docs.oracle.com/en/j

Submitted by: @import:tldr-pages·Mar 2, 2026·

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managementcommandincludedclicertificatewithkeytoolutility

Problem

How to use the keytool command: A certificate management utility included with Java. More information: <https://docs.oracle.com/en/java/javase/25/docs/specs/man/keytool.html>.

Solution

keytool — A certificate management utility included with Java. More information: <https://docs.oracle.com/en/java/javase/25/docs/specs/man/keytool.html>.

Create a keystore:

keytool -genkeypair -v -keystore {{path/to/file.keystore}} -alias {{key_name}}

Change a keystore password:

keytool -storepasswd -keystore {{path/to/file.keystore}}

Change a key's password inside a specific keystore:

keytool -keypasswd -alias {{key_name}} -keystore {{path/to/file.keystore}}

Code Snippets

Create a keystore

keytool -genkeypair -v -keystore {{path/to/file.keystore}} -alias {{key_name}}

Change a keystore password

keytool -storepasswd -keystore {{path/to/file.keystore}}

Change a key's password inside a specific keystore

keytool -keypasswd -alias {{key_name}} -keystore {{path/to/file.keystore}}

Context

tldr-pages: common/keytool

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