11/18/2023 0 Comments Sudo t shirt![]() The sudo command (pronounced "sue do" or "pseudo") lets certain (authorized) UNIX users override these policies by executing the command (everything after the word "sudo" on the command line) as the root user. On both Windows and UNIX computer systems, users can be assigned all kinds of rights, for example rights to access certain directories and files, or to execute certain commands. Type some words and stop with Ctrl- C.Title text: Proper User Policy apparently means Simon Says. The command tee bar reads from the standard input and writes into the file bar echo "foo" | tee -a barĪppends the string foo to the given file. The previous content will be overwritten. The command tee read from standard input and write to standard output and files. After this command you have the line deb stable non-free Your second command echo deb stable non-free | sudo tee /etc/apt//spotify.list Therefore simply remove the file sudo rm /etc/apt//mono-xamarin.listĪnd start the correct command again and don't forget the sudo apt-get update The command waits for an input and writes into /etc/apt//mono-xamarin.list ![]() ![]() Your first command sudo tee /etc/apt//mono-xamarin.list My first question is how do I remove/repair the list, and my second is how do I use sudo tee. Software center will not stay open and returned this same error when I try apt-get autoremove E: Type 'exit' is not known on line 1 in source list /etc/apt//spotify.listĮ: The list of sources could not be read. After I manually closed it, I checked the software center to see if I had done the same thing again, and I did. I tried 'exit' to close it, but it just echoed the command. So I did until this point where the terminal was not responding again. Now I tried installing Spotify and they have a similar list of instructions.Īdd the Spotify repository echo deb stable non-free | sudo tee /etc/apt//spotify.list I formatted my computer back to an earlier backup being unable to find an answer to this error and not knowing what I did wrong. So then I wanted to check if the software center had just the Mono cs compiler and that's when the software center started closing immediately after opening and ubuntu gave me this error E: Type 'sudo' is not known on line 2 in the source list /etc/apt//mono-xamarin.listĮ: The package lists or status file could not be parsed or opened. So I closed it and tried it again with no luck. The terminal stopped was not responding so I put the command back in and it just echoed it. I followed their instructions up to sudo tee /etc/apt//mono-xamarin.list. The first incident happened when I was trying to install Mono. This has happened twice where I followed instructions on installing software and then having the software center open then close immediately as a result of running the commands from the instructions.
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