jTDS for dummies

I got this error when trying to use a MS SQL data source in Confluence:Cannot load JDBC driver class 'net.sourceforge.jtds.jdbc.Driver'I had downloaded the jTDS JDBC driver (or so I thought) and put it in the common/lib folder of my Tomcat installation.What I had done wrong is I downloaded the jtds-1.2.5-bundle.jar file thinking it was the MS SQL connector I needed. Apparently I should have downloaded the jtds-1.2.5-dist.zip file, extracted jtds-1.2.5.jar from that, and copied that file to my Tomcat common/lib fold...

balsamiq

I just stumbled upon this really cool program for creating UI mockups called Balsamiq. I'll let the pictures speak for themselves. You can also play with it online:http://www.balsamiq.com/builds/mockups-web-demo/One possible open source alternative is called the Pencil Project, but it looks like it's maybe got a little too much going on. One of the main things Balsamiq has going for it is it only takes a couple of minutes to slap together a mockup....

Heimdal 1.3: BAD_ENCRYPTION_TYPE

Solution: Edit the Kerberos configuration file (for me it's /etc/krb5.conf), and add this line in the [libdefaults] section: allow_weak_crypto = true Details: More of the same... (see my posts on Berkeley DB) I compiled the latest version of Heimdal Kerberos the other day (it's the recommended flavor of Kerberos to use with OpenLDAP), and after getting everything set up, I would get these errors when trying to run LDAP searches: SASL/GSSAPI authentication started ldap_sasl_interactive_bind_s: Local error (-2) additional info: SASL(-1):...

Compiling Berkeley DB on GNU/Linux

When compiling Berkeley DB on GNU/Linux (in particular if it's being compiled to be used with OpenLDAP), make sure you compile it with the following flags: --enable-posixmutexes --with-mutex=POSIX/pthreads I happened to run across that buried in the openldap-software mailing list archives. Here are some more details: "On x86 though, they have a hybrid mutex mechanism which is enabled by default. It uses both assembly language spinlocks and pthread mutexes, first spinning in the assembly language lock some number of times before falling...