Hello, I have assemblies build on server, Cyverse to visualize newly sequenced genome of chromosome 1. However to visualize the genome in UCSC genome browser, I need to configure BLAT server, (a dedicated gf server) in Cyverse. To accomplish this, they have mentioned some guidelines i.e
 Run two instances of gfServer from http://yourServer.yourInstitution.edu at the location of yourAssembly.2bit file, specifying a port that the gfServer will be accessible from for amino acid (-trans option) and DNA searches. Please note the -mask option will ignore all lower-case assembly sequence, which is the convention the UCSC Browser uses for masked sequence, so you may not want to include it from the example below.
- When picking a port number, stick with numbers between 1024 and 49151. Anything less than 1024 is considered a system port and you'll need to be root in order to open it. Anything above 49151 is considered dynamic and randomly assigned. - For example, these two lines will specify port 17777 for DNA searches - and 17779 for amino acid searches and are run from the publicly accessibly directory location of yourAssembly.2bit file: - cd /genomes/yourAssembly gfServer start blatMachine 17777 -stepSize=5 -log=yourAssembly.untrans.log yourAssembly.2bit & gfServer start blatMachine 17779 -trans -mask -log=yourAssembly.untrans.log yourAssembly.2bit & 
What does it mean? can anyone elaborate? About what kind of port they have mentioned here? where could i find it? how should i proceed?
This is fairly advanced web configuration what would be hard to teach/debug via a forum like this. Please ask CyVerse support to see if they can help you.