Installing blast+

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Download the installation package.

   cd /path/to/blast+
   wget https://ftp.ncbi.nlm.nih.gov/blast/executables/blast+/LATEST/ncbi-blast-2.13.0+-src.tar.gz

3. Decompress the installation package.

   tar xvf ncbi-blast-2.13.0+-src.tar.gz

4. Go to the directory generated after the decompression.

   cd ncbi-blast-2.13.0+-src
   export BLAST_TOP=`pwd`

5. Download the LMDB package and decompress it.

   wget https://github.com/LMDB/lmdb/archive/refs/tags/LMDB_0.9.24.tar.gz
   tar xvf LMDB_0.9.24.tar.gz
   export LMDB_PATH=$BLAST_TOP/lmdb-LMDB_0.9.24

6. Switch to the c++ subdirectory under blast+.

   cd $BLAST_TOP/c++

7. Create a configuration file.

   ./configure

8. Perform the compilation.

   cd ReleaseMT/build
   make all_r -j40

9. Set the environment variable.

   export PATH=/path/to/blast+/ncbi-blast-2.13.0+-src/c++/ReleaseMT/bin:$PATH