Installation problem Ubuntu

I am attempting to install jitsi with this command

wget -qO - | sudo apt-key add -
sudo sh -c “echo ‘deb stable/’ > /etc/apt/sources.list.d/jitsi.list”

But I get this errors:

Any ideas of what is causing this? How may I solve it?

follow exactly how it is and I hope u wont face any problem. may b ur problem is caused because of direct copy pasting instead of writing 2 different lines in cmd.

Hi segiopalma, the issue here is that everything was pasted together as a single line as seen in your image:

The green circle marks where a pipe, the symbol | is missing if you want to do it in a single line, although it would be best to use && or simply copy paste each line by itself and run them one by one.

So this would be line one (copy paste this one alone)

wget -qO - | sudo apt-key add -

An then copy paste the following line after you execute the first line:

sudo sh -c "echo 'deb []( stable/' > /etc/apt/sources.list.d/jitsi.list"

Done. First line adds and validates the jitsu key in order to be able to install something from their repository. Second line simply adds the jitsu repository (It actually does not matter the order in which you do it, just as long as you do one line, execute that one, then the other line.

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