rsync备份用户主目录

backup.sh

#!/bin/bash

# A script to perform incremental backups using rsync

set -o errexit
set -o nounset
set -o pipefail

readonly SOURCE_DIR="${HOME}"
readonly BACKUP_DIR="/Volumes/Passport/Backup/Backup"
readonly DATETIME="$(date '+%Y-%m-%d_%H:%M:%S')"
readonly BACKUP_PATH="${BACKUP_DIR}/${DATETIME}"
readonly LATEST_LINK="${BACKUP_DIR}/latest"

mkdir -p "${BACKUP_DIR}"

rsync -av --delete --append \
      --link-dest "${LATEST_LINK}" \
      -e "ssh -p 20012" \
      root@10.254.1.150:"${SOURCE_DIR}/" \
      --exclude-from=exclude-file.txt \
      "${BACKUP_PATH}"

rm -rf "${LATEST_LINK}"
ln -s "${BACKUP_PATH}" "${LATEST_LINK}"