Cannot connect to RDP
We have run into the strangest thing on our production machines, which are Windows Server 2012. The symptom is that you try to connect to the remote desktop, and immediately […]
Hacker’s diary
My blog has new home!
Over the Thanksgiving week-end I have moved the blog to an Ubuntu virtual machine and have also changed the WordPress theme. The URL is still the same: http://www.ikriv.com/, but the […]
nUnit test cases with dates
nUnit has a great feature of running multiple similar test cases via data-driven approach: [TestCase(“”, “”)] [TestCase(“q”, “q”)] [TestCase(“xyz”, “zyx”)] public void TestStringReverse(string s, string expectedResult) { var result = […]
Amusing Cryptography on Windows
Amusing fact #1: .NET framework does not have built-in class to load RSA private key from PKCS#1 (PEM) representation. I borrowed this: http://www.codeproject.com/Articles/162194/Certificates-to-DB-and-Back Amusing fact #2: creating an RSA key […]
Outlook glitch
A couple of hours ago my Outlook at work stopped working getting stuck on “trying to connect”. The Exchange Server appeared to be alive. Restarting and rebooting did not help. […]
How to copy trusted root certificates to another machine
I have created a VM from an image with a very clamp down security setup. In particular, it had a very limited set of trusted root CAs. It would not […]
Access denied when creating a certificate enrollment request
As part of creating self-signed certificate, we use the following code: var enroll = new CX509Enrollment(); enroll.InitializeFromRequest(cert); enroll.CertificateFriendlyName = friendlyName; string csr = enroll.CreateRequest(); // may fail with ACCESS DENIED […]
A year of using Git: the good, the bad, and the ugly
I have been working with Git for about a year now, and I think I am ready for some summary. Before Git, I used SVN, and before it Perforce, TFS, […]
Thank G-d for StackOverflow
I have just run into a problem: a test passes fine on the CI sever, but breaks on my machine. Reason: it gets a wrong config file. Root cause: when […]
PHP SimpleXML is broken: Part 1
The following code does not work as expected: $xml = simplexml_load_string(“<root><a/><b>text</b></root>”); $node = $xml->xpath(“/root/a”)[0]; if ($node) process($node); // process($node) may not be called for some valid nodes Unlike most other […]