Installing ScaLAPACK

Use PuTTY to log in to the server as the root user.
Run the following command to decompress the ScaLAPACK installation package:
```
tar -xvf scalapack-2.1.0.tgz
```
Run the following command to switch to the directory generated after the package is decompressed:
```
cd scalapack-2.1.0
```
Run the following command to copy and paste the file:
```
cp SLmake.inc.example SLmake.inc
```
Modify the SLmake.inc file.
1. Open SLmake.inc.
```
vi SLmake.inc
```
2. Press i to enter the insert mode and modify the file as follows:
```
BLASLIB    = -L/path/to/OPENBLAS/lib -lopenblas 
LAPACKLIB  = -L/path/to/OPENBLAS/lib -lopenblas 
```
3. Press Esc, type :wq!, and press Enter to save the file and exit.
Run the following commands to perform compilation:
```
make
```
Run the following command to copy the generated link library to the installation directory:
```
cp libscalapack.a /path/to/SCALAPACK
```
Run the following commands to add the environment variables:
```
export LD_LIBRARY_PATH=/path/to/SCALAPACK:$LD_LIBRARY_PATH
```

Parent topic: Configuring the Compilation Environment