facing a problem while installing latex from terminal

@nikhilweee is right. Don't use sudo.

TeXLive installation scripts cannot cater to the myriad of folder structures and permissions.

When you have access to sudo

The best installation method is the official method. Stay with the official folder location /usr/local by doing a cd /usr/local then a sudo mkdir texlive && sudo chown `whoami` texlive.

The install-tl script will then run without a hitch.

Staying with the default folder location lets you write documentation and instructions (for your team) easier. The official guides for TeXLive uses that folder location, so your team can get some self-help browsing those guides themselves. Also, 3rd-party packages (like Atom editor) can be easily configured given standard TeX Live folder locations.

When you have no access to sudo

See answer from @PHPirate at here.

Using administration rights via sudo

sudo ./install-tl

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You could also install texlive-full or texlive via the package manager by:

sudo apt-get install texlive-full

or:

sudo apt-get install texlive