我尝试使用以下命令重新安装sopcast:
sudo tee -a /etc/apt/sources.list
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但什么也没发生,然后我尝试下一个命令:
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CD30EE56
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我收到以下错误:
E: Type 'sudo' is not known on line 60 in source list /etc/apt/sources.list
E: The list of sources could not be read.
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有人可以帮我吗?