Donc il existe un truc différent de apt-get et apt-cache O_o
"apt (Advanced Package Tool) is the command-line tool for handling
packages. It provides a commandline interface for the package
management of the system. See also apt-get(8) and apt-cache(8) for more
low-level command options."
When we started the RancherOS project, we set out to build a minimalist Linux distribution that was perfect for running Docker containers. We wanted to run Docker directly on top of the Linux Kernel, and have all user-space Linux services be distributed as Docker containers. By doing this, there would be no need to use a separate software package distribution mechanism for RancherOS itself.