Tarsnap's profile picture. Online backups for the truly paranoid... with an easily scriptable 'drop in replacement for tar' UI.  Bootstrapped startup since 2006, run by @cperciva.

Tarsnap Backup Inc.

@Tarsnap

Online backups for the truly paranoid... with an easily scriptable 'drop in replacement for tar' UI. Bootstrapped startup since 2006, run by @cperciva.

Tarsnap Backup Inc. reposted

I just released Tarsnap version 1.0.41. This contains mitigations for a chosen-plaintext attack against Tarsnap's chunking algorithm which can leak its secret parameters.


Tarsnap Backup Inc. reposted

Release announcement: mail.tarsnap.com/tarsnap-announ… Blog post: daemonology.net/blog/2025-03-2… Paper: Should be on the Cryptology ePrint archive soon; I'll post when it's up.


Tarsnap Backup Inc. reposted

Because we want to protect the most vulnerable members of our community, @BSDCan is requiring face masks this year. Because I know people will forget, @Tarsnap is exercising its Silver sponsorship to include "vendor swag" in the tote bags: Two KN95 masks per person.


Tarsnap Backup Inc. reposted

Just updated the @tarsnap .deb packages to use the 2024 signing keys instead of the 2023 signing keys (which expire on 2024-02-01). If your apt-get is now breaking, you forgot to install (or update) the tarsnap-archive-keyring package.


Tarsnap Backup Inc. reposted

Tarsnap's Black Friday sale is live! For an unlimited time, you can get three tools which I wrote for Tarsnap's internal use -- kivaloo, scrypt, and spiped -- for the low price of $0.00! tarsnap.com/open-source.ht…


Tarsnap Backup Inc. reposted

Blog post: @tarsnap has given 2^18 dollars to open source: daemonology.net/blog/2023-10-2…


Tarsnap Backup Inc. reposted

Just released scrypt-1.3.2: mail.tarsnap.com/scrypt/msg0027…


Tarsnap Backup Inc. reposted

Added some details about outages to the @tarsnap website: tarsnap.com/infrastructure… To save you a click: 99.93% uptime since 2008; slightly higher over the past 5 years.


Tarsnap Backup Inc. reposted

Tarsnap outage post-mortem: mail.tarsnap.com/tarsnap-announ…


Tarsnap Backup Inc. reposted

Tarsnap is back online. mail.tarsnap.com/tarsnap-announ…


Tarsnap Backup Inc. reposted

Tarsnap is offline due to a hardware failure. I'm working on bringing it back. All your data is safe, just temporarily inaccessible. mail.tarsnap.com/tarsnap-announ…


Donated $1000 to support Glen Barber's work on FreeBSD. He's an excellent release engineer and works incredibly hard to keep the project running smoothly. I hope other companies using FreeBSD will also contribute. gofundme.com/f/gjbbsd


Tarsnap Backup Inc. reposted

Our annual Ottawa developer summit would not be possible without the generous support of sponsors; the #FreeBSD Foundation would like to thank @Tarsnap for their gold-level sponsorship. wiki.freebsd.org/DevSummit/2023…

freebsdfndation's tweet image. Our annual Ottawa developer summit would not be possible without the generous support of sponsors; the #FreeBSD Foundation would like to thank @Tarsnap for their gold-level sponsorship. wiki.freebsd.org/DevSummit/2023…

Tarsnap Backup Inc. reposted

If any Tarsnap users are affected by the SVB meltdown, just send me an email and I'll be happy to make sure your data is safe despite liquidity issues. I just need to know that there's a problem and you still want to keep your data.


Tarsnap Backup Inc. reposted

Since I've been asked: @Tarsnap has no direct exposure to Silicon Valley Bank, and as far as I'm aware has no indirect exposure either. It's business as usual here.


Tarsnap Backup Inc. reposted

@Tarsnap has joined as a silver sponsor. Thanks a lot, @cperciva!


Tarsnap Backup Inc. reposted

Sign up for Michael Lucas' mailing lists and get a free (digital) copy of his Tarsnap Mastery book. Seriously, do it. It's a great book.

This post is unavailable.

Tarsnap Backup Inc. reposted

For the record, @tarsnap is not presently hiring. If you recently received an email from "me" saying that I want to hire you: Sorry, it wasn't from me.


Tarsnap Backup Inc. reposted

Tarsnap now has experimental amd64 binary packages for Ubuntu 22.04 "jammy". Ubuntu made some compatibility-breaking changes in 22.04 so it took a while for us to get these ready (usually supporting a new Linux is very quick). mail.tarsnap.com/tarsnap-users/…


Tarsnap Backup Inc. reposted

Does any product in the world have a better collection of testimonials than Tarsnap? Imagine getting a testimonial from Robert Morris. It's hard to get even a yes/no answer out of him. tarsnap.com/testimonials.h…


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