Online backups for the truly paranoid

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Install Tarsnap On a DigitalOcean VPS or Any Ubuntu 14.04 or Newer System

Securely and remotely backup your server using Tarsnap

Tarsnap is a great service. It’s extremely affordable and secure. I mentioned it briefly in my previous post about MySQL backups.

Tarsnap is only $0.25 / GB-month for storage and $0.25 / GB for bandwidth, which is extremely affordable. You can add funds to your account whenever you like, which is also very nice. Your initial fund deposit must be at least $5. You can signup for a Tarsnap account here.

Installing it on a stock Ubuntu 14.04 LTS installation requires some additional steps to get everything working nicely.

1. Install dependencies

2. Install Tarsnap

Download Tarsnap, I do it like this with wget:

Now we need to extract, configure, and compile Tarsnap.

3. Configure Tarsnap

First, copy the example config to the live config:

If you receive an error with that command, like mkdir: cannot create directory , ignore it and continue on.

Next, we need to generate a tarsnap key for your machine. I like to keep my tarsnap key in my home directory, so I run something like this:

You’ll be prompted for your Tarsnap password when running tarsnap-keygen.

Now, edit the tarsnap.conf file:

Point the keyfile directive to the key file we created a couple steps ago. The top of your tarsnap.conf file should look similar to this now:

4. Use Tarsnap to Make a Backup

You’ll want get familiar with the Tarsnap manpages. To create your first archive, with a name of servername-20140805, do this:

That will backup the /home/youruser folder to Tarsnap! Depending on the size of the backup and speed of your connection, it could take quite some time to finish the backup.

Below is the output of tarsnap –help, if you’re interested.

You can read more about Tarsnap at their homepage, They also have a page describing their infrastructure setup, which is kinda neat. Tarsnap also runs a bug bounty program.

I’ve only tested this on DigitalOcean VPS’s running Ubuntu 14.04 x64, but it should work on most Ubuntu variants.

Did I miss something or get something totally wrong? If so, please let me know, the comments are open!

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