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README.md
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# Automatic backup files script # Automatic Backup Files Script
## Prerquisites ## Prerequisites
* Rsync (included in Debian, Ubuntu, Linux Mint, etc) * Rsync (included in Debian, Ubuntu, Linux Mint, etc.)
* Sudo or Root access * SUDO or root access
* Terminal learn * Familiarity with terminal commands
## Quick start </br>
## Quick Start
1- If disk on save backup is diferent a instalation disk: ### If the backup disk is different from the installation disk:
Copy UUID your disk Copy the UUID of your external disk:
sudo blkid sudo blkid
Editing disks mount points file Edit the mount points file:
sudo nano /etc/fstab sudo nano /etc/fstab
Replace backup external disk UUID and mount point for you configuration
Replace the disk `UUID` and `mount point` (default is "/backup-disk") with your configuration:
``` ```
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# systemd generates mount units based on this file, see systemd.mount(5).
# Please run 'systemctl daemon-reload' after making changes here.
#
# <file system> <mount point> <type> <options> <dump> <pass> # <file system> <mount point> <type> <options> <dump> <pass>
# Others discks # Others discks
UUID= /boot/efi vfat umask=0077 0 1 UUID=645648-kadfvadfb86teyn1sd3 /boot/efi vfat umask=0077 0 1
# backup external disk # backup external disk
UUID=645648-kadfvadfb86teyn1sd3 /backup-disk ext4 defaults 0 0 UUID=<replace for your disk UUID> /<replace for moun point> ext4 defaults 0 0
``` ```
1- Modify custom service:
* Default backup run on 1 hour (RestartSec=3600) ### Modify custom service:
* Default bash script path is "/home/backup-files.sh" (ExecStart=/to/bash/file)
* Default backup runs every hour (RestartSec=3600)
* Default bash script path is "/home/backup-files.sh" (ExecStart=/to/script/file)
``` ```
[Unit] [Unit]
@ -60,36 +54,90 @@ RestartSec=3600
WantedBy=multi-user.target WantedBy=multi-user.target
``` ```
2- Copy service into path /etc/systemd/system/
### Copy the service to the path "/etc/systemd/system/":
Copy script:
sudo cp backup-files.service /etc/systemd/system/ sudo cp backup-files.service /etc/systemd/system/
Reload system dameon:
sudo systemctl dameon-reload sudo systemctl dameon-reload
Enable backup service:
sudo systemctl enable backup-files.service sudo systemctl enable backup-files.service
3- Modify script
### Modify script:
``` ```
# Paths # Paths
external_disk=true // Default backup saved on external disk # Default backup saved on external disk
backup_path="/backup-disk" //Disk backup mount point external_disk=true
origins=("/home/user1/files" "/home/user2/files/documents") // Origins files array
destinations=("$backup_path/backup-user1" "$backup_path/backup-user2") // Destination backups # Disk backup mount point
backup_path="/backup-disk"
# Origins files array
origins=("/home/user1/files" "/home/user2/files/documents")
# Destination backups
destinations=("$backup_path/backup-user1" "$backup_path/backup-user2")
``` ```
4- Copy script into ExecStart= path defined in .service
### Copy the script to the path defined in the service file:
The default path is ExecStart=/home/backup-files.sh
sudo cp backup-files.sh /home/ sudo cp backup-files.sh /home/
5- Test script commands
### Test script commands:
Manually execute the script for testing:
sudo bash /home/backup-files.sh sudo bash /home/backup-files.sh
6- If before Test not return never error, then start sevice
### If no errors occurred during the test, start the service:
Start service:
sudo systemctl start backup-files.service sudo systemctl start backup-files.service
### Check the status of the service:
sudo systemctl status backup-files.service sudo systemctl status backup-files.service
</br>
## View backup files
### If the backup disk is different from the installation disk:
Show disks:
sudo lsblk
Mount external disk. Command example contain disñ /dev/sdb1 and a mount point is "/backup-files":
sudo mount /dev/sdb1 /backup-files
</br>
### Or if the backup disk is the installation disk:
Enter in folder cofigured of script backup-files.sh:
cd /backup-files

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backup-files.sh
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#!/bin/bash #!/bin/bash
# Paths # Paths
# Default backup saved on external disk
external_disk=true external_disk=true
# Disk backup mount point
backup_path="/backup-disk" backup_path="/backup-disk"
# Origins files array
origins=("/home/user1/files" "/home/user2/files/documents") origins=("/home/user1/files" "/home/user2/files/documents")
# Destination backups
destinations=("$backup_path/backup-user1" "$backup_path/backup-user2") destinations=("$backup_path/backup-user1" "$backup_path/backup-user2")
# Function to perform backup for each origin-destination pair # Function to perform backup for each origin-destination pair