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Ubuntu 16.04更新错误
我已经完成了Ubuntu 16.04的全新安装。安装系统后,我已经为我安装了其他一些必要的应用程序(包括Opera浏览器,Intel图形驱动程序等)。现在,当我尝试使用从终端更新系统时sudo apt-get update。它给我以下错误 W: The repository 'https://deb.opera.com/opera-stable stable Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. W: GPG error: https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease: The …