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• Overview of how Restic stores and manages blobs, including encryption and hashing |
• Restic's ability to efficiently store snapshots of changed data |
• Fuse Mount feature for browsing snapshots and restoring data on demand |
• Importance of backups and detecting silent hard drive failures |
• Password protection and key derivation functions in Restic |
• Responsibility and guilt associated with open-source software development |
• Ease of use and simplicity of backup programs as a factor in users' willingness to back up their data |
• Borg vs Restic workflow and usability |
• Restic's use of Viper and Cobra for CLI and configuration |
• Concerns about config files and key management |
• Restic's design philosophy: simplicity and robustness over flexibility |
• Upcoming features: compression, new repository format, and caching |
• Repository versioning and backwards-compatibility |
• Go version compatibility and backup capabilities |
• Kelsey Hightower's DevOps Days speech and his keynote presentation on deploying a Kubernetes cluster with voice control |
• Releases of Go 1.8.2 and 1.8.3, including security fixes and other minor updates |
• Delve release candidate for version one |
• Visual Studio Code update with Delve integration and code lenses |
• Upcoming guest Ramya on the show next week |
• Discussion about missed episodes and catching up on news |
• #FreeSoftwareFriday pick: rofi-pass, an interactive input tool for shell scripts |
• Discussion of rofi-pass for password management |
• Introduction to barista, an i3 status bar written in Go |
• Shoutouts and recommendations: |
+ Kelsey Hightower's talk |
+ Visual Studio Code (by Matt) |
+ Brendan Gregg's website and tools for profiling and performance tuning |
• Upcoming workshop by Brian Ketelsen on FlameGraphs at GopherCon |
• Ashley McNamara leaves the conversation to attend a meeting |
• Conversation ends with goodbyes from Erik and Alexander |
**Erik St. Martin:** Alright everybody, welcome back for another episode of GoTime. Today's episode is number 48. Today's show is sponsored by Toptal, and on the show today we have myself, Erik St. Martin; unfortunately, Carlisia could not make it, but Ashley McNamara was so gracious to join us... |
**Ashley McNamara:** Hello. I am not replacing for Carlisia... She's great. Hi, I know you're listening, wherever you are! |
**Erik St. Martin:** Yes, she will start listening here soon. |
**Ashley McNamara:** I'll only say sh*t once... There it is. |
**Erik St. Martin:** \[laughs\] Do you have your cheat sheet? And then we have Brian Ketelsen here, although he does not sound like Brian Ketelsen... |
**Brian Ketelsen:** I don't... I sound like the nasal Brian Ketelsen. Sorry about that. |
**Erik St. Martin:** He's auditioning for the next Mucinex commercial. \[laughter\] |
**Brian Ketelsen:** I bought my second round of antibiotics for this monster thing, so... One of these day's it'll go away. |
**Ashley McNamara:** I may or may not have given it to him. We don't know that yet. |
**Brian Ketelsen:** Shhh! We're not supposed to tell anybody about that, Ashley. We were gonna keep that our secret. |
**Ashley McNamara:** I think I'm patient zero, I think I gave it to everyone; I don't know... |
**Erik St. Martin:** And then our special guest for today's show is Alexander Neumann. Now, I'll let you kind of lead in a little bit of kind of who you are and what you're working on. He came today to talk with us about a very cool backup program that he's written... Over like three years I think you said, right? |
**Alexander Neumann:** Yeah, I got started in 2014, something like that. I have a formal background in computer science and math, but I'm also a recreational programmer because I work in infosec IT security as a penetration tester, so... While it's fun to break things and get paid for it, sometimes it's also nice to cr... |
So I started a new program and I tried to find a project for writing something in Go, and I felt that "You know, maybe a backup program", and using Go for systems programming once in a while is a nice project... It turns out that a lot of people liked it, and also my colleagues liked it, so we went on to discuss the co... |
**Erik St. Martin:** Now, Brian, you wouldn't know anything about not being able to find a backup program you like, would you? \[laughter\] |
**Brian Ketelsen:** Well, I have to say I've been using [Restic](https://github.com/restic/restic) for about three months now... |
**Alexander Neumann:** Oh, that's awesome! |
**Brian Ketelsen:** And I have a Bash script that runs in cron that backs up locally on my laptop, and then one -- so it alternates it: it does a backup to my laptop, and then it does a backup to my network-attached storage, both using Restic. It is faster than hell! I can't even get over how fast it is... It's awesome... |
**Alexander Neumann:** Yeah, and this is even with all the deduplication at work, and every byte that needs to be deduplicated and needs to be read is accessed at least three or four times. I think one of the main differences between Restic and all the other backup programs is that for Restic the focus is really on the... |
I think it's very important to make it very easy for users to just run a backup now and then, and not needing to think about it, and how do you call this backup and so on. The program should figure it out, and I can restore my data later - that's the most important thing. And I'm glad you liked it. |
**Brian Ketelsen:** Well, my GOPATH is 25.1 gigabytes, and the backup locally takes less than a minute and a half, with all the compression... |
**Ashley McNamara:** That's crazy. |
**Brian Ketelsen:** It's just insane. It makes me so happy. |
**Erik St. Martin:** I really like that analogy, too - nobody likes backup, everybody likes restore. |
**Ashley McNamara:** That's true. |
**Brian Ketelsen:** True. |
**Erik St. Martin:** It's so true! |
**Alexander Neumann:** Yeah, it's not from me, it's from the [AdminZen](https://adminzen.org/). It's a website that's collecting all the wisdom that administrators need to keep in mind, and this is one of them: _Nobody wants Backups, everybody wants Restore_. |
**Brian Ketelsen:** I like it. |
**Erik St. Martin:** Yeah. |
**Ashley McNamara:** So why did you choose Go? |
**Alexander Neumann:** To be honest, I was in need of a project to learn Go and have a look at the language. I've used several languages before, starting with Pascal and Delphi when I was in school. |
**Erik St. Martin:** Oh, Delphi... |
**Alexander Neumann:** Yeah, Delphi on Windows 95, or something like that... I did a lot of things with Delphi. |
**Erik St. Martin:** There was a Trojan horse that I used to hack on back in the '90s that was written in Delphi. \[laughter\] |
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