“physical block size is 2048 bytes, but Linux says it is 512”
Solved with: dd if=/dev/zero of=/dev/sdd bs=2048 count=32

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@manumora
“physical block size is 2048 bytes, but Linux says it is 512”
Solved with: dd if=/dev/zero of=/dev/sdd bs=2048 count=32

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Eliminar líneas duplicadas
awk -i inplace '!seen[$0]++' my_file
Ordenar un fichero
sort -o file file
Reemplazar texto en múltiples ficheros
find . -name '*.php' -exec sed -i 's/fufu/fifi/g' {} \;
Ejecutar comando como usuario Apache
su -s /bin/sh www-data -c "ls /etc"

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Get video rtmp protocol
rtmpdump -r rtmp://lcstreamer.doit.wisc.edu:1935/lectures/mp4:Anthropology_105_2012-01-30_162620.m4v -o Anthropology_105_2012-01-30_162620.m4v
Carpeta compartida (con contraseña)
apt-get install samba smbfs
En /etc/samba/smb.conf: security = user username map = /etc/samba/smbusers
Añadimos un usuario al sistema: useradd fulanito -m -s /bin/false -p contraseña
Creamos un password samba: smbpasswd -a fulanito
En /etc/samba/smbusers añadimos: <username> = “fulanito” Configuramos la carpeta compartida. En /etc/samba/smb.conf [fulanito] path = /home/fulanito read only = no writeable = yes browseable = yes valid users = fulanito create mask = 0640 directory mask = 0750
Reiniciamos el servicio: service samba restart
Specifications (Linux)
CPU: lshw -C processor
Memory: lshw -C memory
Operative System: cat /etc/*-release lsb_release -a
Kernel: uname -a uname -mrs cat /proc/version
Exportar/Importar - Postgresql
Base de datos: pg_dump -U username database > dbexport.pgsql psql -U username database < dbexport.pgsql
Tabla: pg_dump -U username --data-only --table=table1 database > file.sql psql -U username database < file.sql
Ejecutar comando en segundo plano
Lo instalamos: apt-get install screen
Lo ejecutamos: screen ./script.sh
Para abandonar la sesión: Ctrl+A y después Ctrl+D
Listar procesos en ejecución: screen -ls [detached from 666.ttys000.maquina]
Recuperamos la pantalla: screen -r 666.ttys000.maquina
Matar el proceso: screen -S 666.ttys000.maquina -X quit
Separar un proceso de screen: screen -dS 666.ttys000.maquina

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Tiempo de ejecución de un proceso
ps -p num_proceso -o etime
Anular mensajes por consola
dmesg -n 1
Hacerlo permanente, añadir a: /etc/rc.local
Mezclar dos pdf
pdftk A=even.pdf B=odd.pdf shuffle A B output collated.pdf
Si queremos invertir las hojas del segundo pdf: pdftk A=even.pdf B=odd.pdf shuffle A Bend-1 output collated.pdf
Convertir epub a mobi masivamente
find . -name "*.epub" -exec ebook-convert {} {}.mobi \;
Y para renombrar los .epub.mobi a .mobi
find . -name "*.epub.mobi" -exec rename 's/\.epub\.mobi$/.mobi/' {} +
Compartir carpeta NFS
Instalar los paquetes: nfs-common y nfs-kernel-server
En /etc/exports añadir la línea: /var/backup/multimedia *(rw,sync)

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
remove with: ssh-keygen -f "/root/.ssh/known_hosts" -R 172.23.36.3
Ordenar ficheros por fecha de modificación
find . -type f -printf "%TY-%Tm-%Td %TH:%TM:%TS %Tz %p\n" | sort > Listado.txt