Home » Tag Archives: Linux (page 2)

Tag Archives: Linux

HotSpot GC Thread CPU footprint on Linux

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The following question will test your knowledge on garbage collection and high CPU troubleshooting for Java applications running on Linux OS. This troubleshooting technique is especially crucial when investigating excessive GC and / or CPU utilization. It will assume that you do not have access to advanced monitoring tools such as Compuware dynaTrace or even JVisualVM. Future tutorials using such ...

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Database and Webapp Security

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Threat Model This is a discussions on database and webapp security loosely based on the quick reference page on my site. That page is becoming unwieldy and does not make it easy for readers to interact with me or others. Threat Model All security analysis must begin by examining the threat model. A threat model requires you to answer four ...

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Setup Git server with read/write HTTPS on Debian

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Three months ago we decided to move our projects to Git. I guess you already know the advantages of Git over Subversion, as there are too many discussions for this subject. I will describe here a fast and minimal configuration of how to turn a Debian GNU/Linux box to a Git server that supports read and write actions via HTTP(S). ...

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The OpenJDK as the default Java on Linux

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Hi All, Recently I’ve received a bunch of private correspondence from people confused/worried over the change in the default Java packaging for Linux. For many Linux distributions, the official Sun/Oracle version of Java has been packaged up as the default Java for the platform. However, due to a recent licensing change, this will no longer be the case! So, is ...

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