I just got a Raspberry Pi 4 B and I'm using Linux on it for the first time ever so excuse me if I say something stupid here. I tried downloading Pi-Apps using the wget -qO- https://raw.githubusercontent.com/Botspot/pi-apps/master/install | bash command and I got the error code The command 'sudo apt update' failed. Before Pi-Apps will work, you must fix your apt package-management system. I tried rebooting the system and trying the command again. I tried this fix, but for some reason I was denied permission to the sources.list file and I couldn't save it, even after making myself the root user.
Edit: I'm using Raspbian, "11 (bullseye)".
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        Darciukas
        
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sudo apt update;sudo apt dist-upgrade -y? – Dougie Sep 14 '23 at 20:26The following package was automatically installed and is no longer required: libfuse2 Use 'sudo apt autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. I tried runningwget -qO- https://raw.githubusercontent.com/Botspot/pi-apps/master/install | bashagain and got the same error, – Darciukas Sep 15 '23 at 12:52cat /etc/os-releasein theVERSIONfield (interestingly, this file still refers to the OS by its original name, Debian GNU/Linux, which is essentially what it is). – goldilocks Sep 15 '23 at 13:48sudo apt updatefollowed bysudo apt full-upgrade -y. NOTE the package you are trying to install requires Raspberry Pi OS with Desktop. – Milliways Sep 16 '23 at 05:42