Introduction to Bash and SQL, Git and Docker
Хорошие книги от Bobby Iliev https://bobbyiliev.com/
https://a.gavrilov.info/data/posts/introduction-to-bash-scripting-dark.pdf
https://a.gavrilov.info/data/posts/introduction-to-bash-scripting-light.pdf
https://a.gavrilov.info/data/posts/introduction-to-sql-dark.pdf
https://a.gavrilov.info/data/posts/introduction-to-sql-light.pdf
https://github.com/bobbyiliev/introduction-to-bash-scripting
https://github.com/bobbyiliev/introduction-to-sql
и есть еще про гит
https://a.gavrilov.info/data/posts/introduction-to-git-and-github-dark.pdf
https://a.gavrilov.info/data/posts/introduction-to-git-and-github-light.pdf
https://a.gavrilov.info/data/posts/introduction-to-docker-dark.pdf
https://a.gavrilov.info/data/posts/introduction-to-docker-light.pdf