getting error

[hmhtb]

apt install curl socat -y
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)
E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

also

sudo bash <(curl -Ls https://raw.githubusercontent.com/vaxilu/x-ui/master/install.sh)
bash: /dev/fd/63: No such file or directory

What is the problem?

running it in ubuntu 18

[hmhtb]

@arashmhashemi

[filmaj]

You need to be root user to install this system. Can you run sudo su after logging in to your machine and before running the commands to install this project?