Add biblioteka + podman posts

source/blog/biblioteka.rst

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+.. post:: 2020.02.03
+   :tags: project
+   :category: web
+   :author: vladan
+   :location: Linköping
+
+==========
+Biblioteka
+==========
+
+Biblioteka (Library in the many languages of Yugoslavia) is a library
+management software written in multiple backend and frontend languages and
+technologies.
+
+The most basic features that are implemented are listed below.
+
+application features / structure
+================================
+
+- List of all books (paginated).
+  - Provide filters by author, language, publisher ...
+
+- A search module that will filter by author, language, publisher. One query
+  that will search through all possible parameters.
+
+- A classical user management module, with login, profile, list of landed
+  books, wishlist, etc.
+
+Endpoints
+---------
+
+.. table::
+    :align: left
+
+    +---------------------------+--------+-------------------------------------------------+
+    | URL                       | METHOD | Functionality                                   |
+    +===========================+========+=================================================+
+    | /                         | GET    | List all books w/ profile and other cool stuff. |
+    +---------------------------+--------+-------------------------------------------------+
+    | /loan/<user_id>/<isbn>    | POST   | Loan a book.                                    |
+    +---------------------------+--------+-------------------------------------------------+
+    | /reserve/<user_id>/<isbn> | POST   | Reserve a book for loaning.                     |
+    +---------------------------+--------+-------------------------------------------------+
+    | /filter?author=&isbn=&    | GET    | Filter the book list.                           |
+    +---------------------------+--------+-------------------------------------------------+
+    | /login                    | POST   | Log the user in.                                |
+    +---------------------------+--------+-------------------------------------------------+
+    | /logout                   | POST   | Log the user out.                               |
+    +---------------------------+--------+-------------------------------------------------+
+    | /profile                  | GET    | Display the users profile.                      |
+    +---------------------------+--------+-------------------------------------------------+
+    | /register                 | GET    | Register a new user in the application.         |
+    +---------------------------+--------+-------------------------------------------------+
+
+Forms
+-----
+
+- Reserve book(s) and add the reservation to a queue.
+  - A reservation is a structure containing:
+    - User
+    - Book
+    - [implicit] DateTime (reservation made at)
+
+- Lend a book.
+  - A book lending structure is / should be the same as the reservations
+    structure.
+
+- Search field with a fixed location on the page.
+
+- Registration / login form.
+
+Data types
+==========
+
+.. uml::
+
+   skinparam componentStyle uml2
+
+   class Book {
+       1. ISBN : String
+       2. author : Author
+       3. publisher : Publisher
+       4. year_published : Int
+       5. description : String
+       6. image_url : String
+       7. quantity : Integer
+       8. slug : String
+       9. title : String
+   }
+
+   class Author {
+       name : String
+   }
+
+   class Language {
+       iso_name : String
+       name : String
+   }
+
+   class Publisher {
+       name : String
+   }
+
+   Book - Publisher
+   Book - Language
+   Book - Author

source/blog/podman.rst

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+.. post:: 2019.11.16
+   :tags: howto,podman
+   :category: gnu/linux
+   :author: vladan
+   :location: Linköping
+
+============================================
+Setting up unprivileged podman on Arch Linux
+============================================
+
+Install podman::
+
+    sudo pacman -S podman
+    sudo sysctl kernel.unprivileged_userns_clone=1
+    echo "$(whoami):10000:65536" | sudo tee /etc/subuid | sudo tee /etc/subgid
+
+Test with::
+
+    podman run -it --rm alpine /bin/sh