I've downloaded the precompiled binary for sagemath 9.1(sage-9.1-Ubuntu_18.04-x86_64.tar.bz2), I'm on ubuntu 20.04. After extracting the file when I run ./sage in the terminal it says bash: ./sage: Permission denied. I made the file executable by changing the permission but then it says ./sage: no Sage installation found in $SAGE_ROOT = /home/my_pc/Downloads/SageMath. Can anyone help me with this?
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The Sage installation guide says:
If your operating system does not provide SageMath, you can also use a pre-built binary...
Installation from a pre-built binary tarball is an easy and fast way to install Sage.
Note that on GNU/Linux a preferred way is to use your package manager (e.g. apt, pacman, yum).
Sagemath has packages for the following operating systems:
On GNU/Linux Debian version >= 9, Ubuntu version >= 18.04, Arch Linux
there are three packages to install
• sagemath (for the binaries)
• sagemath-jupyter (for the browser interface)
• and the documentation
which is called sagemath-doc-en on Debian/Ubuntu and sagemath-doc on
Arch Linux.
Using Apt-Get
First, try installing sagemath using the following command in your terminal because your OS is higher than Ubuntu 18.04.
sudo apt-get install sagemath sagemath-jupyter sagemath-doc-en
Then you should be able to run sage from the command line.
Using a Pre-Built Binary
It says you can extract the tarball to a folder in your home directory and run ./sage, which it seems you have done. If it didn't work from there, you can try installing from the package manager.
Source Links: Sage installation guide
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