Последние новости
composefs on / type overlay (ro,relatime,seclabel,lowerdir+=/run/ostree/.private/cfsroot-lower,datadir+=/sysroot/ostree/repo/objects,redirect_dir=on,metacopy=on)，这一点在新收录的资料中也有详细论述
FirstFT: the day's biggest stories，更多细节参见新收录的资料
sy = dst_height / roi_height