Ben Chuanlong Du's Blog

It is never too late to learn.

No BLAS or LAPACK Found When Installing Scipy

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

To build Scipy from sources, BLAS & LAPACK libraries need to be installed. See site.cfg.example in the Scipy source directory and

sudo apt-get install gfortran libopenblas-dev liblapack-dev

The dependency requires …

Tips on Two Factor Authentication

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Avoid using SMS text message as your 2F authentication for a few reasons.
    • You might lose your phone.
    • Your phone might not work if you travel internationally.
  2. It is suggested that …

Get OS and Architecture Information in Shell

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Command Description
uname -a The full info of the machine.
uname The type of OS, e.g., Linux, Darwin, etc.
uname -m The architecture of the machine, e.g., x86_64, etc …