Software Installation – RepeatMasker v4.0.7 on Emu/Roadrunner Continued

After yesterday’s difficulties getting RMblast to compile, I deleted the folder and went through the build process again.

This time it worked, but it did not put rmblastn in the specified location (/home/shared/rmblast).

This fact took me a fair amount of time to figure out. Finally, after a couple of different re-builds, I ran find to see if rmblastn existed somewhere I wasn’t looking:

Additionally, I couldn’t find the location of the various BLAST executables. Some internet sleuthing led me to the NCBI page on installing BLAST+ from source, which indicates that the executables are stored in:


How intuitive! /s

In order to improve readability and usability of the /home/shared/ directory, I renamed the /home/shared/rmblast directory to reflect the BLAST version and created a symbolic link in that directory to the rmlbastn executable:

Symbolic link to RMBLAST

Initiate RepeatMasker configuration

Confirm perl install location:

Confirm RepeatMasker install location:

Specify TRF install location:

Hmmm, TRF error. Looking for file called trf:

Renamed TRF file to trf and now it’s automatically found:

Set RMBlast as search engine:

Set RMBlast install location:

Set RMBlast as default search engine:

Confirmation of RMBlast as default search engine and successful installation of RepeatMasker:

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