I cant install software (Brave browser) with Qubes in whonix template

I cant install software with Qubes templete. When you try to paste software code in the template terminal, the message warning potentially Unsafe Paste appears, and even if you paste the code, you cannot install it. In this case, you will receive options such as Do not disable dialog and Disable for 5 minutes, but the result will not change no matter which option you choose. Until now, the software was able to be installed, so I think the installation code itself is safe. Incidentally, the same notation is displayed on whonix and fedora. I don’t know why this sort of message suddenly started appearing. Furthermore, for some reason, when code is loaded, the terminal still displays the command that says connecting to the proxy, and the installation is not performed. Please give me some advice.

It is hard to understand what you are trying to do without the actual content of the commands you pasted in terminal. Could you provide them?

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What software are you trying to install, or what commands are you using to install it?

In any case, you can likely resolve the issue by setting a proxy using the following command:

export all_proxy=http://127.0.0.1:8082

Before running the installation again, make sure that all required tools (such as wget) used during the process are installed in your template.

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That warning is generated by the terminal emulator that you are using.

You could do worse than read the docs, and understand how
templates use a proxy to update without
having direct network access.
In most cases you can use that proxy for other purposes by setting
export http_proxy=127.0.0.1:8082 before running the software code you
are trying to use. (Or export https_proxy..., depending on your needs.)

I never presume to speak for the Qubes team.
When I comment in the Forum I speak for myself.

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Thank you everyone, I’ll give it a try and reply again. Incidentally, I tried to install the Whonix Workstation and Fedora templates on Brave.

I tried it as I was told, but there was no change in the command line and it still didn’t change, and when I tried to paste the code, I got a notation like If this warning message is transient, if can be safely ignored zsh: exit255. Incidentally, if you write each code by hand, it will be installed properly.
Maybe I’m doing it wrong. Where do I need to put this proxy text? Are they at each Qube terminal? Also, please tell me all the tools I should check, such as wget, and how to check each of them.
I would be happy if you could teach me as much detail as possible.

@unman already told you where to look (see the links in the quote) and I have no answer to my question, so…

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We are very sorry for the late reply. It took me a while to decipher the materials and I also had other work issues, so I was late to contact them. I tried a lot but it didn’t work. It may be a simple mistake or a problem that I cannot understand with my ability. Sorry I forgot about the code.

What software are you trying to install and in which template?

Sorry for the late reply, I didn’t notice it for a long time. The software you are trying to install is BraveBrowser. In Whonix, I paste code for Debian, and in Fedora, I paste code for Fedora, but both of them give me the message I wrote earlier. I tried shutting down the code export http_proxy=127.0.0.1:8082 specified in the reply above by typing it into dom0 and each template, but it didn’t improve. Maybe it’s fundamentally my way of doing it wrong. Anyway, I’m grateful for your all advice.