Скачать или смотреть Backup And Restore Data on Linux Server With Rsync And Tar

In this video, you’ll learn how to backup and restore data on a Linux server using Rsync and Tar. These are two of the most powerful and widely used tools by System Administrators and DevOps engineers to ensure data safety and efficient recovery.

We’ll cover:
Rsync basics: Perform incremental backups, sync files and directories, and save bandwidth with Rsync.
Tar archives: Compress and package your files for easy transfer or long-term storage.
Step-by-step examples: Practical commands to back up your Linux server and restore data in real scenarios.

Best practices: How to automate backup tasks and keep your system secure.

Whether you are a beginner learning Linux or an IT professional managing servers, this tutorial will help you master data backup and recovery with Rsync and Tar.
📂 My blog: https://luuhophuong.com

Commands:

sudo tar -cvpzf /backup/systembackup/full-backup.tar.gz \
--exclude=/backup --exclude=/dev --exclude=/proc \
--exclude=/sys --exclude=/tmp --exclude=/run \
--exclude=/mnt --exclude=/media --exclude=/lost+found /

sudo tar -xvpzf full-backup.tar.gz -C /

sudo rsync -a -t -v --delete /var/lib/TechDts/ /backup/full/

du -sh /path/path/to/folder

sudo rsync -a -v /backup/full/ /var/lib/TechDts/

📌 Script 1: Daily backup with rsync (keep history for 7 days)

File: /usr/local/bin/backup_rsync.sh

#!/bin/bash
Source and destination directories
SRC="/var/lib/TechDts/"
DEST="/backup"

Full backup directory
FULL="$DEST/full"
mkdir -p "$FULL"

Incremental backup directory (named by date)
DATE=$(date +%F) # format YYYY-MM-DD
INCREMENTAL="$DEST/incremental/$DATE"
mkdir -p "$INCREMENTAL"

Perform incremental backup with --link-dest pointing to the full backup
rsync -a -v --delete --link-dest="$FULL" "$SRC" "$INCREMENTAL"

Update the full backup to match the latest source
rsync -a -v --delete "$SRC" "$FULL"

Delete snapshots older than 7 days
find "$DEST/incremental" -maxdepth 1 -type d -mtime +7 -exec rm -rf {} \;

Explanation:

Each run creates a new dated folder in /backup/incremental/.

Uses rsync --link-dest to create snapshots with hard links, saving disk space.

Updates /backup/full/ as the latest reference copy for the next run.

Old snapshots older than 7 days are removed to prevent disk usage from growing too much.

📌 Script 2: Weekly full system backup with tar

File: /usr/local/bin/backup_tar_full.sh

#!/bin/bash
BACKUP_DIR="/backup/systembackup"
DATE=$(date +%F) # YYYY-MM-DD
mkdir -p "$BACKUP_DIR"

Backup file name with date
ARCHIVE="$BACKUP_DIR/full-$DATE.tar.gz"

Run tar to back up the entire system
tar -cvpzf "$ARCHIVE" --exclude=/backup --exclude=/dev \
--exclude=/proc --exclude=/sys --exclude=/tmp --exclude=/run \
--exclude=/mnt --exclude=/media --exclude=/lost+found /

Delete old backups older than 4 weeks
find "$BACKUP_DIR" -type f -name "full-*.tar.gz" -mtime +28 -delete


Explanation:

Creates a compressed full system backup named by date (e.g. full-2025-06-23.tar.gz).
Excludes special system directories that don’t need to be backed up.
Automatically deletes backups older than 28 days (4 weeks) to save disk space.
You can adjust the retention period or move old backups elsewhere instead of deleting them.
To automate weekly backups, add a cron job, for example:

0 3 * * 0 /usr/local/bin/backup_tar_full.sh
→ runs every Sunday at 3:00 AM.

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