incremental_diferencial.sh

#!/bin/bash


## Instrucciones
# 1. Definir variables

fecha=$(date +%s)
# Servidor de backup
server=192.168.0.71
# Usuario remoto
usuario=educacionit

# 2. Crear llave publica.
#
# ./incremental_diferencial.sh ssh-key
#
# 3. Crear par de claves gpg.
#
# ./incremental_diferencial.sh gpg-key
#



# Creacion de llave ssh si contraseña

if [ "$1" == "ssh-key" ]; then

	ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa

	ssh-copy-id -i $HOME/.ssh/id_rsa.pub ${usuario}@$server

	exit 0

elif [ "$1" == "gpg-key" ]; then

	gpg --batch --gen-key <<EOF
%no-protection
Key-Type: RSA
Key-Length: 2048
Subkey-Type: RSA
Subkey-Length: 2048
Name-Real: Your Name
Name-Email: ${USER}@$HOSTNAME
Expire-Date: 0
%commit
EOF


gpg --export -a "${USER}@$HOSTNAME" > ${USER}.${HOSTNAME}.asc


scp ${USER}.${HOSTNAME}.asc ${usuario}@$server:~/

ssh ${usuario}@$server gpg --import ${USER}.$HOSTNAME.asc

exit 0

fi




mysqldump --all-databases > /var/backups/${fecha}_all-db.sql

gpg --detach-sign /var/backups/${fecha}_all-db.sql



# Crear directorio en el remoto.

ssh $usuario@$server mkdir -p ${HOSNTNAME}-backup.00

rsync -a -v  -e "ssh -i ~/.ssh/id_rsa" /var/backups/  $usuario@${server}:~/${HOSTNAME}-backup.00