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docker backups

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> Updating README
> Adding bash script
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Eugene Amos
2023-12-05 12:56:53 -08:00
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docker_backups/README.md
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<h1 align="center">Docker Backups</h1>
<p align="center">
A bash script that will stop all running containers. Create a <strong>.tar.gz</strong> files of those stopped containers then upload them to a specified save location. After the containers are successfully saved, it will proceed to restart them.
</br>
The script will log each step of the process including the time it takes for the script to execute.
</br>
</p>
## Prerequisites
You will need to change `[USERNAME]` to the one you use on your server. You will find this in **(3)** parts of the script.
## Folder Structure
If you have not done so already, create a new folder called `scripts` in your **~home** folder. This is where all your scripts will go.
Inside your `scripts` folder create a new folder called `backups`
When done your folders structure should look like this: `/home/[username]/scripts/backups`
## Script
Get the source code from this repo and save it as `docker_backups.sh` in the **backups** folder created in the previous step.
Next we need to change the permissions of this file so that the server can read it.
1. Right click on `docker_backups.sh` then Properties.
2. Click on `Permissions` tab at top.
3. Make sure Owner & Group reflect your `username` with `Read and Write` access to all.
4. Check the `Execute` box to allow executing the file as a program.
5. Close out the window.
## Run
Now we need to test and run the script.
* Make sure your terminal is open to the location of the `docker_backups.sh` file. Should be `~/scripts/backups`
* Run the script:
```bash
bash docker_backups.sh
```
The script should be running and should be printing to the terminal what step its on. This process will take a few minutes or so depending on how many running containers you have.
## Automation
Now the script will need to be automated so that you will have current backups incase you need them. This can be automated using *Linux Mint's* built in <div><a href="https://www.fosslinux.com/106902/the-guide-to-mastering-cron-jobs-in-linux-mint.htm" target="blank"><strong>crontab</strong></a></div> system to create a `cron` job. **Crontab** is managed with the terminal and ***does not*** have a GUI.
I have not found a good GUI option for crontab as of yet however, I have found and use an application called <div><a href="https://wiki.euronvault.com/podfetch" target="blank"><strong>Cronicle</strong></a>.</div> Cronicle is task scheduler that functions like **crontab** but only with a GUI.