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Poll result: most popular logging framework is.... good old log4j !!!
while quite a few people use the abstraction of slf4j (I wonder how many users of logback also checked slf4j, since the recommended way to use logback is to go through slf4j...)Anyway having used...
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The Holocaust, a World Conspiracy against the Jews
I have dedicated almost all my free time in the last one year to study the history of the Holocaust. I have read dozens of books and screened hundreds of interviews of survivors.Some conclusions that I...
View Articleintercept all java JVM calls
Good man David wrote a script to log all the calls to Java with the parameters passed: mv /usr/lib/jvm/jre-1.7.0-oracle.x86_64/bin/java /usr/lib/jvm/jre-1.7.0-oracle.x86_64/bin/java_ vi...
View Articleosb_server1, where does it come from?
When you create a new OSB domain, typically you include 2 templates:SB_BASE_TEMPLATE = '/common/templates/applications/wlsb_base.jar'SB_TEMPLATE = '/common/templates/applications/wlsb.jar'in wlsb.jar...
View Articleadding a timestamp to bash stdout
Assume a shell script writes without timestamp info: myscript.shbla mumblehow long it took to complete bla? and mumble? no clue. You could hack the script to add a timestamp for each echo, but that's...
View Articlethe crazy story of securerandom.source=file:/dev/./urandom
More or less everybody know that if SSL encryption operations are slow, the culprit must be the source of entropy from /dev/random, and that you can replace it with /dev/urandom. Everybody know that...
View ArticleRuby editor in Geppetto
Something quite annoying is having to use the generic Text Editor for Ruby files in Geppetto/Puppet. You can install the Ruby Plugin from http://download.eclipse.org/technology/dltk/updates/ and select...
View Articleoracle database find version
When you open an SR with Oracle Support you must answer a lot of embarassing questions, like "Database/Version". Open a connection with SQLDeveloper and run "SELECT * FROM V$VERSION;"This is what you...
View ArticleJava, discover all available flags with PrintFlagsFinal
not many people know that you can get the list of all supported JVM flags with -XX:+PrintFlagsFinal example: java -XX:+PrintFlagsFinal -version | grep -i gc will print: uintx...
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Italy is going down the train
I have taken a short trip through Italy, the first since a long time - 5 years at least. A few shocking changes. People in Rome look really dejected, sad and VERY aggressive. Services are very poor and...
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Book: Java performance, the definitive guide
This book is DEFINITELY loaded with information on all aspects of performance-related stuff on:JVM tuning (heap, GC, permgen) JIT compiler diagnostic tools (vmstat, jmap, jcmd)MultiThreading issues,...
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Wojtyla and Pinochet
Lest we forget who he really was.... the most right-wing Pope in modern times.
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Book: Pro Git
If there is a book that everybody should read and put in practice, it's PRO GIT. Git goes a long way beyond traditional VCS, but it definitely takes some time to master it. This book gives a lot of...
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Anatomy of Italian TV News (on a Berlusconi Channel)
aka Phenomenology of Berlusconianism - the incessant process of molding the Average Italian's political conscience....
View ArticleGit video training by O'Reilly
This one is paying: http://shop.oreilly.com/product/0636920017462.do This one is free:
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Nightmare on Itunes-Iphone Street
Being young and naif, I yielded to the temptation to update my iOS to 7.1.1.Being really stupid, I did also a "SyncMusic" afterwards.Catastrophy. The entire content of my IPhone Music disappeared, and...
View ArticleWhat really happened in Odessa?
While western media tells you that in Odessa there were clashes between pro-russian and anti-russian demonstrators, it's quite evident from this video that the pro-russians were simply besieged,...
View ArticleWebLogic dbping
The good old weblogic dbping utility seems to require the weblogic.jdbc.oracle.OracleDriver class with the ORACLEB option, and I have no clue where to find it (not in...
View ArticleMonitoring CPU usage of a WebLogic server over time
you can either use top, where PID is the Managed Server's processid: top -b -p $PIDor ps: ps -p $PID -o %cpu | tail -n +2 Unfortunately collectd doesn't seem to be able to collect CPU usage for a...
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