사용중인 환경 Desktop Ubuntu 18.04 4.15.0-112-generic Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz Memory : 32G GeForce GTX 960 Laptop Ubuntu 18.04 5.4.0-47-generic LG Gram 14ZD990-GX50K Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz Memory : 16G