How to Setup rsnapshot in Ubuntu 22

This post is abut setup rsnapshot in your ubuntu. Please adjust the configuration per your needs.

1. Install rsnapshot:

sudo apt-get update
sudo apt-get install rsnapshot

2. Create a configuration file for rsnapshot:

sudo cp /etc/rsnapshot.conf /etc/rsnapshot.conf.bak
sudo nano /etc/rsnapshot.conf

3. Set the following variables in the configuration file:

config_version  1.2
snapshot_root   /mnt/backup
no_create_root  1
cmd_cp      /bin/cp
cmd_rm      /bin/rm
cmd_rsync   /usr/bin/rsync
cmd_ssh     /usr/bin/ssh
cmd_logger  /usr/bin/logger
retain      daily 7
retain      weekly 4
retain      monthly 6

4. Set up a cron job to run rsnapshot at a specific time.

To edit the crontab file, run:

crontab -e

Add the following line at the bottom of the file to run rsnapshot every day at 3:00 AM:

0 3 * * * rsnapshot daily

5. Save and close the crontab file.
6. Test the configuration by manually running rsnapshot:

rsnapshot daily

This will create a snapshot of your system in the snapshot_root directory specified in the configuration file.

You can now set up rsnapshot to run automatically on a schedule, according to your backup needs.