Lifeboat blog

It is possible to change JVM command line flag values in runtime. With just a bit of Unsafe magic, of course.

I was preparing a presentation on git I am about to deliver to a group of bioscientists. While doing so I learned couple of things myself. Here are the bits and pieces

All the years working in Linux I did not know how to debug in Linux. GDB is simply too scary for me... And now I needed to debug R. And you know what, it is that simple:

sudo apt-get install nemiver
./R -d nemiver

And that's it!

R starts under …

It is probably a good idea to have audit enabled on the server. Even though a hacker could disable it (if he was able to penetrate the server and gain root), there is still chance that he will not check for audit to be enabled.

Gluster FS has a very interesting way to deal with files being renamed to avoid large network traffic

A very strange thing happened to me today. I had to restart my PC, and it lost all of my precious settings - no icon theme, no icons, fonts are all messed up. .xsession-errors log is filled with errors about files not being found. I was very sad.

But that's what …

Gradle is much better to manage dependencies than Maven. Not only it allows you to set http://www.gradle.org/docs/current/dsl/org.gradle.api.artifacts.ResolutionStrategy.html, but it also supports full manual control.

First, if you do not want transitive dependencies at all (you will be forced …

If you want to reuse the same directory for Gluster FS:

# gluster volume create gv0 10.19.8.85:/media/data/gl2
volume create: gv0: success: please start the volume to access data

# gluster volume delete gv0
Deleting volume will erase all information about the volume. Do you want to …