Dedicated to all those who were in love with Obama
sorry for spamming with political messages, but this is just too good to be missed
View Articleweblogic startup.properties
I was trying desperately to pass an argument to the JVM: -Dweblogic.security.SSL.ignoreHostnameVerification=true by setting it in the JAVA_OPTIONS in the DOMAIN_HOME/bin/startManagedWebLogic.sh Much to...
View ArticleMy first custom Puppet function in Ruby
Here the doc http://docs.puppetlabs.com/guides/custom_functions.htmlI thought this was Rocket Science, but it's quite simple, once you overcome the normal, healthy, instinctive repugnance for a stinky...
View Articleweblogic, difference between Failed Reserve Request Count and Waiting For...
weblogic, difference between Failed Reserve Request Count and Waiting For Connection Failure Total: JDBCDataSourceRuntimeMBean.FailedReserveRequestCountThe cumulative, running count of requests for a...
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Great Java 8 Tutorials
These days everyone is talking about Java 8. Let's be a lemming.By going through the new Java features, I suspect most of them are not really revolutionary, but sure most of them can make the code more...
View ArticlePuppet file recurse
to purge or not to purge? to recurse or not to recurse? I have a bunch of files in a mymodule/files/myfiles folder inside the puppet module mymodule. I need to copy them to a target folder. I don't...
View Articlein Puppet (and Linux) every slash counts
I was creating a symbolic link: file { "/opt/oracle/java/" : ensure => link, target =>"/usr/lib/jvm/java-1.6.0-sun.x86_64/", } on a machine where such a link was already defined, but without the...
View ArticleClean Desk Policy
“If a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?” ― Albert Einstein Trivias: Italian Dictator Benito Mussolini had a strong policy of clean desk in his office...
View ArticleWebLogic: resource [weblogic.jdbc.jta.DataSource] is unavailable
Funnily we see every minute this trace in the logs, after a restart: <BEA-110486><Transaction BEA1-0707A967026BC04A2B95 cannot complete commit processing because resource...
View ArticleWebLogic weblogic.security.SSL.ignoreHostnameVerification
I went completely mad chasing why on earth an admin server was starting with weblogic.security.SSL.ignoreHostnameVerification=false, even if all the possible places (startWebLogic.sh,...
View ArticleFail fast shell scripts with set -e
Shell script number one: vi testsete.sh ls /pippols /pappochmod 775 testsete.sh ./testsete.shls: /pippo: No such file or directoryls: /puppo: No such file or directory now let's insert a "set -e" at...
View ArticleGetting started with Varnish on RHEL
export http_proxy=http://myusername:mypassword@proxy.acme.com:8080set HTTP_PROXY=http://myusername:mypassword@proxy.acme.com:8080set HTTPS_PROXY=http://myusername:mypassword@proxy.acme.com:8080rpm...
View ArticleGino Vernetto
I have occasionally published material on Wikipedia US, and never had any issue. Whenever I try to do the same on Wikipedia Italy, there is immediately someone who deletes it without really any...
View ArticleJKS check expiration date
Use the -v option with the keytool -list command, and look at the "until" field:keytool -keystore /opt/oracle/certs/acme.com.jks -v -listAlias name: acme.comCreation date: Jun 5, 2013Entry type:...
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plantuml : quick UML diagrams (with Eclipse plugin available)
Follow installation instructions here:http://plantuml.sourceforge.net/graphvizdot.htmlyou MUST install Grephvz 2.28 (NOT 2.30, it will not work)I installed to C:\pierre\Graphviz 2.28\Then you must...
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More on UML Modelling with PlantUML
Here an excellent explanation of the different types of dependencies amongst classes.Here are all the sort of relationships you can draw. As a simple reminder, Composition, Aggregation, Dependency,...
View ArticleObject Oriented Puppet
One of the most shocking aspects of working with Puppet is that it goes to a great length at providing a High Level Interface to Resources, but it provides literally no facility to abstract access to...
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Book: Puppet Types and Providers
http://shop.oreilly.com/product/0636920026860.doThis is a rather specialist book, but worth reading for all those who use Puppet in a less-than-basic way.It shows the structure of a Puppet type...
View Articlepuppet create directory recursively
The whole VERY OLD rant is here http://projects.puppetlabs.com/issues/86Why on earth in 8 years the Puppet Gods have kept ignoring this very basic and common need, they only know.In a nutshell, I have...
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Book: functional programming in java (Java 8 Lambda)
http://pragprog.com/book/vsjava8/functional-programming-in-java This is one of those rare books who focuses not much on technology, but on methodology, and does it with simple examples that everyone...
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