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.tgz
```
Run the following command to switch to the directory generated after decompression:
```
cd scalapack-2.0.2
```
Run the following command to generate the SLmake.inc file:
```
cp SLmake.inc.example SLmake.inc
```
Run the following command to edit the SLmake.inc file:
1. Open SLmake.inc.
```
vi SLmake.inc
```
2. Press i to enter the insert mode and modify lines 58 and 59 of the file.
```
BLASLIB       = -L/path/to/OPENBLAS/lib -lopenblas
LAPACKLIB     = -L/path/to/OPENBLAS/lib -lopenblas
```
3. Press Esc, enter :wq!, and press Enter to save the file and exit.
Run the following command to perform compilation and installation:
```
make
```
Run the following command to copy the generated link library to the installation directory:
```
cp libscalapack.a /path/to/SCALAPACK
```

Run the following command to load environment variables:

export LD_LIBRARY_PATH=/path/to/SCALAPACK:$LD_LIBRARY_PATH

Parent topic: Configuring the Compilation Environment