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-#+title: Getting Started with Backblaze B2 Cloud Storage
-#+date: 2023-06-28
-#+description: An introduction to the free ttier of Backblaze B2 Cloud Storage.
-#+filetags: :sysadmin:
-
-* Overview
-Backblaze [[https://www.backblaze.com/b2/cloud-storage.html][B2 Cloud
-Storage]] is an inexpensive and reliable on-demand cloud storage and
-backup solution.
-
-The service starts at $5/TB/month ($0.005/GB/month) with a download rate
-of $0.01/GB/month.
-
-However, there are free tiers:
-
-- The first 10 GB of storage is free.
-- The first 1 GB of data downloaded each day is free.
-- Class A transactions are free.
-- The first 2500 Class B transactions each day are free.
-- The first 2500 Class C transactions each day are free.
-
-You can see which API calls fall into categories A, B, or C here:
-[[https://www.backblaze.com/b2/b2-transactions-price.html][Pricing
-Organized by API Calls]].
-
-For someone like me, who wants an offsite backup of their server's
-=/home/= directory and various other server configs that fall under 10
-GB total, Backblaze is a great solution from a financial perspective.
-
-* Create An Account
-To start with Backblaze, you'll need to
-[[https://www.backblaze.com/b2/sign-up.html][create a free account]] -
-no payment method is required to sign up.
-
-Once you have an account, you can test out the service with their web
-GUI, their mobile app, or their CLI tool. I'm going to use the CLI tool
-below to test a file upload and then sync an entire directory to my
-Backblaze bucket.
-
-* Create a Bucket
-Before you can start uploading, you need to create a bucket. If you're
-familiar with other object storage services, this will feel familiar. If
-not, it's pretty simple to create one.
-
-As their webpage says:
-
-#+begin_quote
-A bucket is a container that holds files that are uploaded into B2 Cloud
-Storage. The bucket name must be globally unique and must have a minimum
-of 6 characters. A limit of 100 buckets may be created per account. An
-unlimited number of files may be uploaded into a bucket.
-
-#+end_quote
-
-Once you click the =Create a Bucket= button on their webpage or mobile
-app, you need to provide the following:
-
-- Bucket Unique Name
-- Files in Bucket are: =Private= or =Public=
-- Default Encryption: =Disable= or =Enable=
-- Object Lock: =Disable= or =Enable=
-
-For my bucket, I created a private bucket with encryption enabled and
-object lock disabled.
-
-Once your bucket is created, you can test the upload/download feature on
-their web GUI or mobile app! At this point, you have a fully functional
-bucket and account.
-
-* Linux CLI Tool
-** Installation
-To install the =b2= CLI tool, you'll need to download it from the
-[[https://www.backblaze.com/docs/cloud-storage-command-line-tools][CLI
-Tools]] page. I recommend copying the URL from the link that says
-=Linux= and using wget to download it, as shown below.
-
-Once downloaded, make the file executable and move it to a location on
-your =$PATH=, so that you can execute that command from anywhere on the
-machine.
-
-#+begin_src sh
-wget <b2_cli_url>
-chmod +x b2_linux
-mv b2_linux /usr/bin/b2
-#+end_src
-
-** Log In
-The first step after installation is to log in. To do this, execute the
-following command and provide your =<applicationKeyId>= and
-=<applicationKey>=.
-
-If you don't want to provide these values in the command itself, you can
-simply execute the base command and it will request them in an
-interactive prompt.
-
-#+begin_src sh
-# if you want to provide the keys directly:
-b2 authorize-account [<applicationKeyId>] [<applicationKey>]
-
-# or, if you don't want your keys in your shell history:
-b2 authorize-account
-#+end_src
-
-** Upload a Test File
-In order to test the functionality of the CLI tool, I'll start by
-uploading a single test file to the bucket I created above. We can do
-this with the =upload_file= function.
-
-The command is issued as follows:
-
-#+begin_src sh
-b2 upload_file <bucket_name> <local_file> <remote_file>
-#+end_src
-
-In my situation, I executed the following command with my username.
-
-#+begin_src sh
-b2 upload_file my_unique_bucket /home/<user>/test.md test.md
-#+end_src
-
-To confirm that the file was uploaded successfully, list the files in
-your bucket:
-
-#+begin_src sh
-b2 ls <bucket_name>
-#+end_src
-
-#+begin_src txt
-test.md
-#+end_src
-
-** Sync a Directory
-If you have numerous files, you can use the =sync= function to perform
-functionality similar to =rsync=, where you can check what's in your
-bucket and sync anything that is new or modified.
-
-The command is issued as follows:
-
-#+begin_src sh
-b2 sync <source file location> <B2 bucket destination>
-#+end_src
-
-In my case, I can sync my user's entire home directory to my bucket
-without specifying any of the files directly:
-
-#+begin_src sh
-b2 sync /home/<user>/ "b2://<bucketName>/home/<user>"
-#+end_src
-
-* Caveats
-** Timing of Updates to the Web GUI
-When performing actions over a bucket, there is a slight delay in the
-web GUI when inspecting a bucket or its file. Note that simple actions
-such as uploading or deleting files may have a delay of a few minutes up
-to 24 hours. In my experience (<10 GB and ~20,000 files), any actions
-took only a few minutes to update across clients.
-
-** Symlinks
-Note that symlinks are resolved by b2, so if you have a link from
-=/home/<user>/nas-storage= that symlinks out to a =/mnt/nas-storage=
-folder that has 10TB of data, =b2= will resolve that link and start
-uploading all 10TB of data linked within the folder.
-
-If you're not sure if you have any symlinks, a symlink will look like
-this (note the =->= symbol):
-
-#+begin_src sh
-> ls -lha
-lrwxrwxrwx  1 root root   20 Jun 28 13:32 nas -> /mnt/nas-storage/
-#+end_src
-
-You can recursively find symlink in a path with the following command:
-
-#+begin_src sh
-ls -lR /path/to/search | grep '^l'
-#+end_src