I'm a cargo cult programmer, help me

Hello HN I come to you for help. I went to college and got an Information systems degree, it was a crappy college so the most programming we had was dabbling with arrays and pointers in C, not much Algorithsms & Data Structures, no unix, no Operating Systems and no compilers, and most importantly no problem solving. Half way through college my father died so I had to find a job to make ends meet, somehow i got sucked into the java "enterprise" world where I've been for the past 5 years, glueing API's and frameworks together, with some Javascript and SQL on the side, however on the verge of my 30's, I now have found that I lack the fundamentals of Computer Science, the things every programmer should know: Algo's, Data Structures, Operating Systems an understanding of compilers and being profficient with linux. Eventually I plan on going back to a real University and getting a CS degree, but I'm unable to do so at the moment, this is why I have come to ask for help. OTOH I have given