Faster dd

dd if=/dev/sdc1 conv=noerror,sync bs=64k | dd of=/dev/sdi1 bs=64k
9856+0 registros de entrada
9855+0 registros de salida
645857280 bytes (646 MB) copiados, 17,871 s, 36,1 MB/s

frente a

dd if=/dev/sdc1 of=/dev/sdi1
3801513+0 registros de entrada
3801513+0 registros de salida
1946374656 bytes (1,9 GB) copiados, 1055,21 s, 1,8 MB/s

Quitar archivos sobrantes de SIESTA

rm $(find . -name "CHLOCAL.*" -or -name "KB.L*" -or -name "ORB.S*" -or -name "*.ion*" -or -name "*.POT.CONF" -or -name "VNA.*" -or -name "RED_VLOCAL.*" -or -name "INPUT_TMP.*" | head -2000)

No Kylie, No

PWSCF

$PW_COMMAND < si.scf.in > si.scf.out

$PW_COMMAND < si.band.in > si.band.out

$PLOTBAND_COMMAND < si.plotband.in > si.plotband.out
(plotband.x)

momentos magneticos

grep -A170 "mulliken: Atomic and Orbital Populations:" parallel.output | grep -v '^$' | grep -v Atom | grep -v 4pz> spins.dat
awk 'NR % 3 == 1' spins.dat

scp alias

in .bashrc:

function mn1 { scp $1 user@machine.dom: ;}

($1, $2... argumentos en linea de comando)
o

function mn1 { scp $* user@machine.dom: ;}

(pa que meta todo)
# mn1 cosa1
Password:

GFORTRAN buffer issues

export GFORTRAN_UNBUFFERED_ALL=1
(it kills the buffer)