http://en.wikipedia.org/wiki/Dependency_hell http://en.wikipedia.org/wiki/Dependency_hell Stuff like apt-get works great until it doesn't. You've run into this

http://en.wikipedia.org/wiki/Dependency_hell http://en.wikipedia.org/wiki/Dependency_hell Stuff like apt-get works great until it doesn't. You've run into this no doubt. Jails/LXC abstract dependencies away in an attempt to avoid this class of problems. In other words: this helps to avoid mutating your system state with every command you run from the shell. :)