Price of Ownership – Why We Overvalue What We Have  Example: Duke basketball tickets – students must camp out in tents outside the stadium, air horn sounds at random times and someone from each tent must

missing required cgroups: memory 因为树莓派系统默认未启动cgroup_memory，解决方法： # vi /boot/firmware/cmdline.txt #如果有这个文件就编辑此文件 # vi /boot/cmdline.txt #如果有这个文件就编辑此文件 # 在 原 有 的 console=�yAMA0,115200