matt ahrens – Jupiter Broadcasting

Our Fragmented Favorite | LINUX Unplugged 358

Wes Payne — Tue, 16 Jun 2020 21:00:00 +0000

Show Notes: linuxunplugged.com/358

The post Our Fragmented Favorite | LINUX Unplugged 358 first appeared on Jupiter Broadcasting.

Devious Methods | BSD Now 42

chris — Thu, 19 Jun 2014 11:56:15 +0000

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Coming up this week, we’ll be showing you how to chain SSH connections, as well as some cool tricks you can do with it. Going along with that theme, we also have an interview with Bryce Chidester about running a BSD-based shell provider. News, emails and cowsay turkeys, on BSD Now – the place to B.. SD.

Thanks to:

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– Show Notes: –

Headlines

PIE and ASLR in FreeBSD update

A status update for Shawn Webb’s ASLR and PIE work for FreeBSD
One major part of the code, position-independent executable support, has finally been merged into the -CURRENT tree
“FreeBSD has supported loading PIEs for a while now, but the applications in base weren’t compiled as PIEs. Given that ASLR is useless without PIE, getting base compiled with PIE support is a mandatory first step in proper ASLR support”
If you’re running -CURRENT, just add “WITH_PIE=1” to your /etc/src.conf and /etc/make.conf
The next step is working on the ASLR coding style and getting more developers to look through it
Shawn will also be at EuroBSDCon (in September) giving an updated version of his BSDCan talk about ASLR

Misc. pfSense news

Couple of pfSense news items this week, including some hardware news
Someone’s gotta test the pfSense hardware devices before they’re sold, which involves powering them all on at least once
To make that process faster, they’re building a controllable power board (and include some cool pics)
There will be more info on that device a bit later on
On Friday, June 27th, there will be another video session (for paying customers only…) about virtualized firewalls
pfSense University, a new paid training course, was also announced
A single two-day class costs $2000, ouch

ZFS stripe width

A new blog post from Matt Ahrens about ZFS stripe width
“The popularity of OpenZFS has spawned a great community of users, sysadmins, architects and developers, contributing a wealth of advice, tips and tricks, and rules of thumb on how to configure ZFS. In general, this is a great aspect of the ZFS community, but I’d like to take the opportunity to address one piece of misinformed advice”
Matt goes through different situations where you would set up your zpool differently, each with their own advantages and disadvantages
He covers best performance on random IOPS, best reliability, and best space efficiency use cases
It includes a lot of detail on each one, including graphs, and addresses some misconceptions about different RAID-Z levels’ overhead factor

FreeBSD 9.3-BETA3 released

The third BETA in the 9.3 release cycle is out, we’re slowly getting closer to the release
This is expected to be the final BETA, next will come the RCs
There have mostly just been small bug fixes since BETA2, but OpenSSL was also updated and the arc4random code was updated to match what’s in -CURRENT (but still isn’t using ChaCha20)
The FreeBSD foundation has a blog post about it too
There’s a list of changes between 9.2 and 9.3 as well, but we’ll be sure to cover it when the -RELEASE hits

Interview – Bryce Chidester – brycec@devio.us / @brycied00d

Running a BSD shell provider

Tutorial

Chaining SSH connections

News Roundup

My FreeBSD adventure

A Slackware user from the “linux questions” forum decides to try out BSD, and documents his initial impressions and findings
After ruling out PCBSD due to the demanding hardware requirements and NetBSD due to “politics” (whatever that means, his words) he decides to start off with FreeBSD 10, but also mentions trying OpenBSD later on
In his forum post, he covers the documentation (and how easy it makes it for a switcher), dual booting, packages vs ports, network configuration and some other little things
So far, he seems to really enjoy BSD and thinks that it makes a lot of sense compared to Linux
Might be an interesting, ongoing series we can follow up on later

Even more BSDCan trip reports

BSDCan may be over until next year, but trip reports are still pouring in
This time we have a summary from Li-Wen Hsu, who was paid for by the FreeBSD foundation
He’s part of the “Jenkins CI for FreeBSD” group and went to BSDCan mostly for that
Nice long post about all of his experiences at the event, definitely worth a read
He even talks about… the food

FreeBSD disk partitioning

For his latest book series on FreeBSD’s GEOM system, MWL asked the hackers mailing list for some clarification
This erupted into a very long discussion about fdisk vs gnop vs gpart
So you don’t have to read the tons of mailing list posts, he’s summarized the findings in a blog post
It covers MBR vs GPT, disk sector sizes and how to handle all of them with which tools

BSD Router Project version 1.51

A new version of the BSD Router Project has been released, 1.51
It’s now based on FreeBSD 10-STABLE instead of 10.0-RELEASE
Includes lots of bugfixes and small updates, as well as some patches from pfSense and elsewhere
Check the sourceforge page for the complete list of changes
The minimum disk size requirement has increased to 512MB

Feedback/Questions

All the tutorials are posted in their entirety at bsdnow.tv
A special thanks to our viewer Lars for writing most of today’s tutorial and sending it in
Send questions, comments, show ideas/topics, or stories you want mentioned on the show to feedback@bsdnow.tv
If you want to come on for an interview or have a tutorial you’d like to see, let us know
Watch live Wednesdays at 2:00PM Eastern (18:00 UTC)

The post Devious Methods | BSD Now 42 first appeared on Jupiter Broadcasting.

Journaled News-Updates | BSD Now 22

chris — Thu, 30 Jan 2014 23:05:18 +0000

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We talk with George Neville-Neil about the brand new FreeBSD Journal and what it\’s all about. After that, we\’ve got a tutorial on how to track the -stable and -current branches of OpenBSD. Answers to all your BSD questions and the latest headlines, only on BSD Now – the place to B.. SD.

Thanks to:

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– Show Notes: –

Headlines

FreeBSD quarterly status report

Gabor Pali sent out the October-December 2013 status report to get everyone up to date on what\’s going on
The report contains 37 entries and is very very long… various reports from all the different teams under the FreeBSD umbrella, probably too many to even list in the show notes
Lots of work going on in the ARM world, EC2/Xen and Google Compute Engine are also improving
Secure boot support hopefully coming by mid-year
There\’s quite a bit going on in the FreeBSD world, many projects happening at the same time
Jordan (jkh), one of the co-founders of the FreeBSD project, is once again a FreeBSD committer

n2k14 OpenBSD Hackathon Report

Recently, OpenBSD held one of their hackathons in New Zealand
15 developers gathered there to sit in a room and write code for a few days
Philip Guenther brings back a nice report of the event
If you\’ve been watching the -current CVS logs, you\’ve seen the flood of commits just from this event alone
Fixes with threading, Linux compat, ACPI, and various other things – some will make it into 5.5 and others need more testing
Another report from Theo details his work
Updates to the random subsystem, some work-in-progress pf fixes, suspend/resume fixes and more signing stuff

Four new NetBSD releases

NetBSD released versions 6.1.3, 6.0.4, 5.2.2 and 5.1.4
These updates include lots of bug fixes and some security updates, not focused on new features
You can upgrade depending on what branch you\’re currently on
Confused about the different branches? See this graph.

The future of open source ZFS development

On February 11, 2014, Matt Ahrens will be giving a presentation about ZFS
The talk will be about the future of ZFS and the open source development since Oracle closed the code
It\’s in San Jose, California – go if you can!

This episode was brought to you by

Interview – George Neville-Neil – gnn@freebsd.org / @gvnn3

The FreeBSD Journal

Tutorial

Tracking -STABLE and -CURRENT (OpenBSD)

News Roundup

pfSense news and 2.1.1 snapshots

pfSense has some snapshots available for the upcoming 2.1.1 release
They include FreeBSD security fixes as well as some other updates
There are recordings posted of some of the previous hangouts
Unfortunately they\’re only for subscribers, so you\’ll have to wait until next month when we have Chris on the show to talk about pfSense!

FreeBSD on Google Compute Engine

Recently we mentioned some posts about getting OpenBSD to run on GCE, here\’s the FreeBSD version
Nice big fat warning: \”The team has put together a best-effort posting that will get most, if not all, of you up and running. That being said, we need to remind you that FreeBSD is being supported on Google Compute Engine by the community. The instructions are being provided as-is and without warranty.\”
Their instructions are a little too Linuxy (assuming wget, etc.) for our taste, someone should probably get it updated!
Other than that it\’s a pretty good set of instructions on how to get up and running

Dragonfly ACPI update

Sascha Wildner committed some new ACPI code
There\’s also a \”heads up\” to update your BIOS if you experience problems
Check the mailing list post for all the details

PCBSD weekly digest

10.0-RC4 users need to upgrade all their packages for 10.0-RC5
Help test GNOME 3 so we can get it in the official ports tree
By the way, PCBSD 10.0 is out!
Special thanks to developers, testers, translators and docs team!
Upcoming: Working on a 11-CURRENT PC-BSD and 10-STABLE

Feedback/Questions

Tony writes in: https://slexy.org/view/s21ZlfOdTt
Jeff writes in: https://slexy.org/view/s2BFZ68Na5
Remy writes in: https://slexy.org/view/s20epArsQI
Nils writes in: https://slexy.org/view/s213CoNvLt
Solomon writes in: https://slexy.org/view/s21XWnThNS

All the tutorials are posted in their entirety at bsdnow.tv
Send questions, comments, show ideas/topics, or stories you want mentioned on the show to feedback@bsdnow.tv
Watch live Wednesdays at 2:00PM Eastern (19:00 UTC)
A BSD Now t-shirt design is in the works, we\’ll update you on the progress (but we have to get permission to use the mascots and get a rough sketch first)
NYCBSDCon will be on February 8th in NYC
We\’ll announce the winner of our tutorial contest on next week\’s episode! Get your last minute tutorial submissions in for our contest

The post Journaled News-Updates | BSD Now 22 first appeared on Jupiter Broadcasting.