某天安装一些常用软件,比如lrzsz的时候出错了
$ sudo apt-get install lrzszReading package lists... DoneBuilding dependency tree Reading state information... DoneE: Unable to locate package lrzsz
出现这个问题的原因之一是apt的源缺失,运行以下命令即可
sudo add-apt-repository mainsudo add-apt-repository universesudo add-apt-repository restrictedsudo add-apt-repository multiversesudo apt-get update