Ryu安装

Ryu网址 apt更新 sudo apt-get upgdate 安装git sudo apt-get install git 这时候出现了一个问题 E: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 3104 (unattended-upgr) - open (11: Resource temporarily unavailable) N: Be aware that removing the lock file is not a solution and may break your syst