BorgBackup (short: Borg) is a deduplicating backup program. Optionally, it supports compression and authenticated encryption.
The main goal of Borg is to provide an efficient and secure way to backup data. The data deduplication technique used makes Borg suitable for daily backups since only changes are stored. The authenticated encryption technique makes it suitable for backups to not fully trusted targets.
Tech blog about Unix, GNU/Linux, software development, systems administration, cloud, open source, privacy, and ethics.
Apart from https://www.crystallabs.io/unix-books-papers-videos/, it has interesting articles about version control, how to set up Open AFS
LionsOS is an operating system based on the seL4 microkernel with the goal of making the achievements of seL4 accessible. That is, to provide performance, security, and reliability.
LionsOS is being developed by the Trustworthy Systems research group at UNSW Sydney in Australia.
This tool uses python's calendar library (which provides modular ncal functionality) to generate a TeX based, A4-sized wall calendar with one month per page.
See also https://github.com/DavidGriffith/panda-display for a version of Spare Time Gizmos' Panda display for pdp-10 simulators with USB interface, which I first saw on Lars Brinkoff's video https://m.youtube.com/watch?v=q11mOtTs2Zo