While working with Ubuntu and other Debian-based distros, I've noticed that packages in the software repos often contain the major version number. For example, Apache: apache2 Tomcat: tomcat7 PHP: ...
I normally use machine A, and I make backups of A onto a fileserver B. Sooner or later, I will lose machine A for one reason or another. Its hard drive wears out, or it gets hit by lightening, or some ...