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A Journey of a Thousand Miles Begins with a Single Step

Check optional scripts in rpm file

RPM allows optional scripts to be executed within the install and remove operation.

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Correct Rpmdb

Seeing this Rpmdb checksum is invalid: dCDPT(pkg checksums) in RedHat or CentOS?

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Delete lines in vi

vi or vim (vi improved) has powerful ways to delete line. This post gives some examples.

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Backup and restore Kibana 4 objects

This post explains the backup of Kibana 4.1 objects and how to restore them.

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Using variables in the CLI script

JBoss can use variables (passed as parameters) in the CLI script. This post describes the details behind it. If the parameter is not passed, it can used the given default.

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Build single module from multi module pom

If case you want to test or build only a project (sub module) you have several options since Maven 2.1

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