

2.5 Admins
The Late Night Linux Family
2.5 Admins is a podcast featuring two sysadmins called Allan Jude and Jim Salter, and a producer/editor who can just about configure a Samba share called Joe Ressington. Every week we get together, talk about recent tech news, and answer some of your admin-related questions.
Episodes
Mentioned books

Aug 20, 2020 • 29min
2.5 Admins 10: Mini-PCs and HDDs
Low power x86 vs Arm boards, hard disk failure rates, and the intricacies of ZFS snapshots.
Plugs
OpenZFS Developer Summit
Support the podcast on Patreon
News
Seeed Studio’s Odyssey is a mini-PC for big projects and small wallets
Backblaze Hard Drive Stats Q2 2020
Free consulting
We were asked about ZFS on root, snapshots, and Jim’s project called Sanoid.
TrueNAS from iXsystems
This episode is sponsored by TrueNAS from iXsystems, the number one Open Storage OS. See how TrueNAS can support your next storage project, whether it’s just a few terabytes, all the way up to multiple petabytes.
See our contact page for ways to get in touch.

Aug 6, 2020 • 30min
2.5 Admins 09: Horrible hosts
Intel’s 7nm woes, hosts files, Mozilla’s VPN service, and automating ssh between remote hosts.
News
Heads roll at Intel after 7nm delay
Intel’s 7nm is busted, chips delayed, may have to use rival foundries to get GPUs out for US govt exascale super
AMD is now following Moore’s Law: More chips, more money, more pressure on Intel, more competition in the x86 space
AMD Says Zen 3 Consumer CPUs Will Launch This Year
Windows 10: HOSTS file blocking telemetry is now flagged as a risk
We test Mozilla’s new Wireguard-based $5/mo VPN service
Free consulting
We were asked about automating ssh between remote hosts. Allan mentioned SSH Mastery.
See our contact page for ways to get in touch.

Jul 23, 2020 • 31min
2.5 Admins 08: Energy assisted drive recovery
New types of hard disks, recovering data from dying drives, AMD makes Jim reach for the calculator, and what to do with obscure software that you need.
Plugs
FreeBSD Fridays: A Series of 101 Classes
Joe’s podcast consulting
News
Western Digital releases new 18TB, 20TB EAMR drives
Tales From The Sysadmin: Impending Hard Drive Doom
AMD Ryzen 4000 desktop CPUs will be here in Q3 2020
Free consulting
We were asked how to deal with updates for software that isn’t in repos and needs to be compiled.
See our contact page for ways to get in touch.

Jul 9, 2020 • 31min
2.5 Admins 07: Fail dumpster fire
Initial Arm Mac benchmarks are out and they aren’t terrible, getting the best transfer speeds over USB, and rolling our own home routers.
Plugs
FreeBSD Bug Squash
Support the podcast on Patreon
News
First benchmarks surface for Apple’s ARM-based Developer Transition Kit
UASP makes Raspberry Pi 4 disk IO 50% faster
Free Consulting
We were asked about our home network setups.
See our contact page for ways to get in touch.

Jun 25, 2020 • 29min
2.5 Admins 06: BFYTW
Jim bought the worst laptop in the world, a quick update on SMR drives, learning the basics of ZFS, and updating air-gapped servers.
Plug
Support the podcast on Patreon
News
We bought Walmart’s $140 laptop so you wouldn’t have to
Lawsuit vs. Western Digital wants to end any use of SMR in NAS drives
Western Digital adds “Red Plus” branding for non-SMR hard drives
Free Consulting
We were asked about the best ways to start with ZFS, and Shlomi asked about updating air-gapped Ubuntu machines with various VMs.
See our contact page for ways to get in touch.

Jun 11, 2020 • 29min
2.5 Admins 05: IPv6 when?
When the world will move to IPv6, WD SMR drives put to the test, raw vs qcow2 on ZFS, and erasing SSDs.
Plug
Support the podcast on Patreon
News
It could be ‘five to ten years’ before the world finally drags itself away from IPv4
We put Western Digital’s dreaded SMR Red drive to the test
Free consulting
Michael asked for advice about whether to use raw or qcow2 on ZFS, and Joe had a question about giving SSDs away.
See our contact page for ways to get in touch.

May 28, 2020 • 30min
2.5 Admins 04: Zooming from pets to cattle
Zoom’s new encryption, podcasts in walled gardens, and servers as pets vs cattle.
Plug
Support the podcast on Patreon
News
Zoom to require users to upgrade to 5.0 after May 30th
Zoom bought Keybase in early May
Joe Rogan will move his podcast to Spotify
Free consulting
Eduardo asked us to dive a little deeper into how to move from being an admin who treats their servers like pets to being an admin who treats their servers like cattle.
See our contact page for ways to get in touch.

May 14, 2020 • 31min
2.5 Admins 03: Apache’s Btr than you think
Why Apache is still relevant in 2020, and the differences between ZFS and Btrfs.
Plugs
Allan’s BSDCan Homelab panel
Allan on setns.live
Support the podcast on Patreon
Apache vs Nginx
Apache 101
Free Consulting
Several people including Emil have asked us to discuss the differences between ZFS and Btrfs. Jim recently wrote a ZFS 101 article.
See our contact page for ways to get in touch.

May 1, 2020 • 32min
2.5 Admins 02: Updating to Arm
Our thoughts on DNS-over-HTTPS, whether Arm is about to take over, HDD advice, and automatic updates and reboots.
Plugs
Help us keep the lights on by supporting us on Patreon.
Watch Allan’s Homelab panel recording for BSDCan 2020 on May 5th, 2pm EDT (18:00 UTC)
Check out Joe’s light-hearted podcast The New Show
Jim will be speaking at Open Source 101 At Home
News
Surreptitiously Swapping SMR into Hard Drive Lines Must Stop
Canada’s .ca overlord rolls out free privacy-protecting DNS-over-HTTPS service for folks in Great White North
Paul Vixie on DoH @ vBSDCon 2019
Paul Vixie: DNS Wars: Episode IV: A New Bypass @ EuroBSDCon 2019
The rumor that just won’t die: Apple to keep Intel at Arm’s length in 2021 with launch of ‘A14-powered laptops’
Making macOS run well on ARM processors isn’t the hard part
What is ARM Morello
ARM backs the CHERI project
Free Consulting
Frank wrote in to ask advice on which HDDs to buy, and Jake was curious about automatic updates and reboots.

Apr 24, 2020 • 31min
2.5 Admins 01: ZFS love-fest
In our first episode, Allan Jude, Jim Salter, and Joe Ressington discuss Amazon cutting affiliate rates, SMR hard drives, and setting up off-site backups on the cheap.
News
Amazon reportedly planning drastic cuts to affiliate commission rates
Buyer beware—that 2TB-6TB “NAS” drive you’ve been eyeing might be SMR
Seagate says Network Attached Storage and SMR don’t mix
Western Digital admits 2TB-6TB WD Red NAS drives use shingled magnetic recording
Seagate ‘submarines’ SMR into 3 Barracuda drives and a Desktop HDD
Toshiba desktop disk drives have shingles too
Western Digital implies WD Red NAS SMR drive users are responsible for overuse problems
Free Consulting
Joe has ~2TB of data that should be backed up off-site. Jim and Allan discuss the best ways to do that on a low budget.
Send your questions for Jim and Allan to show@ the show website domain: 2.5admins.com


