usefulcommands

IRIS DMC

   Qstat 

   myFTP  

   SeismicQuery   

   IRIS wilber3 event query

random sort 

ls |sort -R

start MATLAB without GUI window 

    matlab -nojvm -nodesktop -nosplash #if using parfor loop, remove the "-nojvm" flag. 

convert UTF-8 encoding to ascii 

    iconv -f UTF-8 -t ASCII//TRANSLIT ev1.txt > ev2.txt 

transfer large data between computers 

    rsync -avP ./* user@machine.xx.edu:/directory1 

PBS

    service pbs_server restart

    service pbs_sched restart

video 

the following command will speed up the video by 16x 

ffmpeg -i gwp1.mp4 -filter:v "setpts=PTS/16" -an out4.mp4