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kraken-software [2022/07/07 11:27] aorthkraken-software [2023/08/11 10:13] (current) aorth
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 $ sudo chown root /export/apps/kraken/2.1.2/*</code> $ sudo chown root /export/apps/kraken/2.1.2/*</code>
  
-Download some [[ftp://ftp.ccb.jhu.edu/pub/data/kraken2_dbs/|pre-formatted databases]] and extract them somewhere:+Download some [[https://benlangmead.github.io/aws-indexes/k2|pre-formatted databases]] and extract them somewhere:
  
-<code>sudo mkdir -p /export/data/bio/kraken2/db +<code>cd /var/scratch 
-$ wget ftp://ftp.ccb.jhu.edu/pub/data/kraken2_dbs/16S_Greengenes_20190418.tgz +$ wget https://genome-idx.s3.amazonaws.com/kraken/16S_Greengenes13.5_20200326.tgz 
-$ wget ftp://ftp.ccb.jhu.edu/pub/data/kraken2_dbs/minikraken2_v1_8GB_201904_UPDATE.tgz +$ wget https://genome-idx.s3.amazonaws.com/kraken/16S_Silva132_20200326.tgz 
-$ wget ftp://ftp.ccb.jhu.edu/pub/data/kraken2_dbs/minikraken2_v2_8GB_201904_UPDATE.tgz+$ wget https://genome-idx.s3.amazonaws.com/kraken/16S_Silva138_20200326.tgz
 $ for name in *.tgz; do sudo tar xfv "$name" -C /export/data/bio/kraken2/db; done</code> $ for name in *.tgz; do sudo tar xfv "$name" -C /export/data/bio/kraken2/db; done</code>
  
-Download the larger standard pre-formatted database:+Download several larger databases (careful about space!):
  
-<code>$ wget https://genome-idx.s3.amazonaws.com/kraken/k2_standard_20210517.tar.gz +<code>$ wget https://genome-idx.s3.amazonaws.com/kraken/k2_standard_20230605.tar.gz 
-tar xf k2_standard_20210517.tar.gz +wget https://genome-idx.s3.amazonaws.com/kraken/k2_nt_20230502.tar.gz</code>
-$ sudo mkdir -p /export/data/bio/kraken2/db/standard +
-$ sudo cp database* hash.k2d inspect.txt opts.k2d seqid2taxid.map taxo.k2d /export/data/bio/kraken2/db/standard</code>+
  
 The ''kraken2'' application finds these with the ''KRAKEN2_DB_PATH'' environment variable. The ''kraken2'' application finds these with the ''KRAKEN2_DB_PATH'' environment variable.
kraken-software.txt · Last modified: 2023/08/11 10:13 by aorth