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Calculadora Astron�mica
Cartas estelares
Almanaque Lunar Anual
Almanaque Lunar Mensual
Blog de Astronomia
Astronomia Moderna
La página de Vampiro
Cómo instalar un termostato NEST
Astronomia Blog prueba de colores

chistes muy buenos prueba de colores

adivinanzas prueba de colores

Prueba de página para la cursada Prueba de página para la cursada test de páginas secundarias-> humor test de páginas secundarias-> humor test de páginas secundarias-> cosas

otras cosas

Blog de desafios y acertijos
Luz Oscura


Mala Astrologia Bah, la única real



Astronomia Moderna prueba de colores

Logs de la p�gina web
Logs de Roberto 3 4 5
What I deserved

Unix Commands

Head and tail

head - Shows you the first 10 lines of a file (if you pipe other command to head, this will stop after printing the first 10 lines (it gets sent SIGPIPE).
head -c num file -> shows the first/last "num" bytes of the file.
head -c 1k file -> shows the first 1024 bytes of the file.

tail file -> Shows you the 10 last lines.
tail -f file -> will follow printing the new lines addest to end of the file.
tail -n 100 -> will show the last 100 lines.
tail +n 100 -> will show the first 100 lines.

ssh (Secure SHell)

ssh $USER@$HOST command -> Run command on $HOST as $USER (default command=shell)
ssh -f -Y $USER@$HOSTNAME xeyes -> Run GUI command on $HOSTNAME as $USER
scp -p -r $USER@$HOST: file dir/ -> Copy with permissions to $USER's home directory on $HOST
scp -c arcfour $USER@$LANHOST: bigfile -> Use faster crypto for local LAN. This might saturate GigE
ssh -g -L 8080:localhost:80 root@$HOST -> Forward connections to $HOSTNAME:8080 out to $HOST:80
ssh -R 1434:imap:143 root@$HOST -> Forward connections from $HOST:1434 in to imap:143
ssh-copy-id $USER@$HOST -> Install public key for $USER@$HOST for password-less log in wget (multi purpose download tool)