Stderr: VBoxManage.exe: error: Could not rename the directory
I am not a big fan of Vagrant, its behavior is way too erratic and opaque for me. When it works we are happy, when it fails - and it fails way too often - we are left googling sparse and stern...
View Articlekeytool error :java.io.IoException:Incorrect AVA format
I run this command: keytool -genkeypair -alias alias -keyalg RSA -keysize 1024 -dname dn -keystore keystore and this fails with "keytool error :java.io.IoException:Incorrect AVA format" Just remove...
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Book: The Healthy Programmer
http://pragprog.com/book/jkthp/the-healthy-programmer The book provides a host of evidence about the negative effect (=early death and painful life) of the lifestyle associated with most office jobs:...
View ArticleJKS management made easy with Portecle
http://sourceforge.net/projects/portecle/?source=dlp One of the irritating things about security is all those different options in the keytool command line. Portecle makes life a lot easier by managing...
View ArticleImport an existing Private Key (.key file) into a JKS store
Sounds easy but it's not. I have an existing .key (private key) and .crt file (certificate for public key) and I want to import them into a JKS....
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Iterations in Puppet: create_resources
So, the BAD news is that in Puppet you cannot do a for loop and create resources specified in a Collection. Why not? Because. Don't ask. The Founding Fathers of Puppet decided so, and thou shall not...
View ArticleVertical Tabs in Internet Explorer
I am forced to use Internet Exploder lately, and I go literally mad with its non-customizeability of tabs: they are stuck on the top, stealing valuable vertical space. As very well highlighted in this...
View ArticleGridlink Datasource registering with ONS daemons
When you have Gridlink DS, you will see in the logs this debug message (of course if your log level is debug :o) ) <BEA-001556><Data Source ACME_ConfigDS for service o01osb_app.acme.com...
View ArticlePuppet: getting started with hiera (hiera example)
Official doc here I don't like hiera, but it's better than hardcoding configuration in .pp files. First attempt: vi hieratest.pp $pippo = hiera('pippo')notify { "${pippo}" : }I run "puppet apply...
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Book: Pulling string with Puppet
Excellent book by James Turnbull, which explains in clear words the concepts behind Puppet. Resources and Collections (classes) Idempotence; RAL (Resource Abstraction Layer) and Providers Installation...
View ArticleHow to retrieve a BLOB in Java and display as XML
see also this on WLSTpublic class DBConn { public static String getBlobData(String driver, String url, String username, String password, String sqlQuery) throws Exception { String result = "";...
View ArticleOracleDB: How to save a byte array to a BLOB field in Java
PreparedStatement statement= getConnection().prepareStatement("INSERT INTO MYTABLE(MYBLODFIELD) VALUES(?)");byte binData[] = myString.getBytes();inStream = new...
View ArticleMore on saving BLOB with Oracle DBAdapter
This will NOT work:CREATE TABLE BLATABLE (BLAFIELD BLOB);INSERT INTO BLATABLE (BLAFIELD) VALUES ('SOMEVALUE');you get a ORA-01465 - "invalid hex number" When I try to save a String to a BLOB field in a...
View ArticleOSB: Custom XPath vs Java Callout classloader difference
the Custom Xpath classloader doesn't access the jars in the domain lib folder (like /opt/oracle/domains/osbpl1do/lib folder), while the java callout does. So a function might work when invoked by...
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Book: Puppet 3 Beginner's guide
This is an excellent hands-on tutorial to get started with Pupppet. I suggest this should be your first book on Puppet before you move on more advanced topics. The author wrote also the other book...
View ArticleThe best of Puppet Conf 2013
You can find all videos hereHowever some of them are not extremely exciting, so better pick only some.This one "getting started with Puppet" from Michael Stahnke is absolutely captivating, this guy...
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Book: Vagrant Up and Running
I am not a big fan of Vagrant, don't ask me where this antipathy comes from (maybe because I still don't understand why all these operations/infrastructure people use Ruby - a web development language...
View ArticleGithub: Failed to connect to github.com:443; No error
I have been swearing for a while to realize that the git client (http://msysgit.github.com/) requires a proxy settings to be able to contact github. Here are all the commands (don't tell me git is...
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Puppet sucks?
It could suck more. It could also suck less. After some time using Puppet, these are my thoughts - straight from my heart. - for someone having any Groovy, Python or Java background, it's EXTREMELY...
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