Actually, at the moment for ubuntu I only have Geany istalled - it is pretty much enough for me. My previous computer started to have occasional problems, so I moved to using a secondary computer. And as I don't enjoy spending time with setting up the system, I've been running on rather minimal configuration for several months =)

Do you need the latest version of CodeBlocks for some spesific reason? If you want easy installation, just go with the version available on Ubuntu Software center?

Possibly yes =) For me the data structeres and algorithms are always the main thing. Since I retired my main computer, I have been mainly developing on Lazarus/Free Pascal. Eventually, when I'll be satisfied with my data structeres and algorithms, I will choose tools to rewrite the code in C/C++ - and at the moment I don't know what tools I'll choose. Let's see how it goes.