When comparing restic vs bup, the Slant community recommends restic for most people. In the question“What are the best de-duplicating backup cli programs for Linux?” restic is ranked 2nd while bup is ranked 4th. The most important reason people chose restic is:
restic runs comfortably as a CLI program, which allows for batch mode processing and integration in scripts or system services.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Command-line program
restic runs comfortably as a CLI program, which allows for batch mode processing and integration in scripts or system services.
Pro Deduplication
Uses deduplication of content based on slices of files; if you only change one line, you'll only have to back up the small slices in which they are contained.
Pro Encrypted backups
Easily encrypt your backups using AES256.
Pro Very fast
Pro Simple command calls
Pro Saves only the minimum amount of data needed
Data is shared between different incremental backups without having to know which backup is based on which. Even for backups that come from different computers that know nothing about each other. Bup simply saves the minimal amount of data needed.
Pro Huge files can be backed up incrementally
Bup splits up files into different chunks. This is especially useful for large files which can then be stored without using a lot of disk space for different versions of the same file.
Cons
Con No built-in automation
Many backup tools come with some form of built-in scheduling, which is absent from restic.
Con No GUI for configuring and maintaining backups
Con No GUI
Only available as a command line tool.