Linux_安装时出现“Unable to locate package xxx”,sudo apt-get update和sudo apt-get upgrade
1、过程硬件:鲁班猫2,镜像:Debian使用“sudoaptinstallx11vnc”想要安装x11vnc,然后报错“unabletolocatepackagex11vnc”,意为找不到这个安装包,然后百度。使用了第一条命令“sudoapt-getupgrade”,返回“0upgraded,0newlyinstalled,0toremoveand0notupgraded”,也就是说这条命令啥也