http://askubuntu.com/questions/711889/err-apt-get-update-on-ubuntu-14-04即使给Ubuntu配置了代理,terminal能ping通网络,火狐浏览器能上网,但依然连不上网络安装软件和update,报下面的错,解决方案是: Create /etc/apt/apt.conf to add proxy configuration for APT. sudo nano /etc/apt/apt.conf Add this line t
升级Ubuntu系统时遇到的这个问题, 原因是默认的源不是国内的,而且还可能导致下载慢等问题. 1.备份源 cd /etc/apt/ sudo cp sources.list sources.list.bat 2.更换源 sudo vim sources.list 清除sources.list内的所有内容.更换为 #阿里云 Ubuntu 18.04 deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe mult
RFKill Many computer systems contain radio transmitters, including Wi-Fi, Bluetooth, and 3G devices. These devices consume power, which is wasted when the device is not in use. RFKill is a subsystem in the Linux kernel that provides an interface thro