

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

Jan 19, 2023 • 33min
2.5 Admins 126: Copy on Flight
A recent outage that grounded thousands of planes, correcting ZFS misreporting, the problem of fake SSDs on Amazon, and IP schemes vs internal DNS.
Plugs
Support us on patreon
FreeBSD vs Linux: Package Management
News
FAA outage that grounded flights blamed on old tech and damaged database file
The Future of ZFS on Ubuntu Desktop is Not Looking Good
ZFSBootMenu
Why the Heck Is Amazon Selling These Fake 16 Terabyte Portable SSD Drives?
Free Consulting
We were asked about IP schemes.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.

Jan 12, 2023 • 33min
2.5 Admins 125: Into Thin Eir
Two recent examples of backups not being properly tested, why the term “edge” is meaningless, we try not to laugh at the Bitcoin dev who lost all his magic beans, and directory services for mixed environments.
Plugs
Support us on patreon
Klara’s best articles from 2022
News/discussion
Eir says thousands of customer emails irretrievably deleted in error
Eir users offered free lifetime subscriptions after up to 20 years of emails deleted in error – The Irish Times
EA says it can’t recover 60% of players’ corrupted Madden franchise save files
It’s time to retire ‘edge’ from our IT vocabulary
Bitcoin Core developer loses all his BTC
Free Consulting
We were asked about directory services for mixed environments.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
Kolide
Kolide is a fleet visibility solution for Mac, Windows, and Linux that can help you securely scale your business. Learn more here: https://l.kolide.co/3HB8xUv
Tailscale
Tailscale is a VPN service that makes the devices and applications you own accessible anywhere in the world, securely and effortlessly. Go to tailscale.com and try it for free on up to 20 devices.
up to 20 devices.
See our contact page for ways to get in touch.

Jan 5, 2023 • 30min
2.5 Admins 124: LastMigration
LastPass vaults are leaked, ChatGPT is coming to Bing, live migrations, and SSD vs spinning disk power usage.
Plugs
Support us on patreon
Klara is looking for sysadmins with ZFS experience, join Allan’s team
News
LastPass – Notice of Recent Security Incident
The LastPass disclosure of leaked password vaults is being torn apart by security experts
Microsoft to challenge Google by integrating ChatGPT with Bing search
Free Consulting
We were asked about live migrations, and SSD vs spinning disk power usage.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.

Dec 29, 2022 • 31min
2.5 Admins 123: 4
It’s the last episode of the year so we look back at a couple of 2022 trends: the explosion of AI/ML, and big social media changes. Plus a quick-fire ZFS FAQ.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.

Dec 22, 2022 • 29min
2.5 Admins 122: PayAsYouPay
Buying and renting features in Intel hardware that you’ve already bought, killer robots, a huge nuclear fusion breakthrough, and the pros and cons of parallel rsync jobs.
Plugs
Support us on patreon
OpenZFS: Choosing between FreeBSD and Linux
News/discussion
Intel On Demand Driver Ready To Activate Your Licensed CPU Features With Linux 6.2
Intel On Demand
VICTORY! San Francisco Bans Killer Robots…For Now
Nuclear fusion power research passes milestone with ‘fusion ignition’
Free Consulting
We were asked about running parallel rsync jobs
Fpsync
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.

Dec 15, 2022 • 32min
2.5 Admins 121: 2PHA
Saving money by changing the CPU frequency governor on servers, Making unphishable 2FA phishable, phishing with Google Docs, monitoring at scale, and using ZFS with a single disk.
Plugs
Support us on patreon
FreeBSD vs Linux – Networking
Discussion
Can You Save Money By Changing the CPU Frequency Governor on Your Servers?
Making unphishable 2FA phishable
Phishing links with Google Docs
Free Consulting
We were asked about monitoring at scale, and using ZFS with a single disk.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
Kolide
Kolide is a fleet visibility solution for Mac, Windows, and Linux that can help you securely scale your business. Learn more here: https://l.kolide.co/3HB8xUv
See our contact page for ways to get in touch.

Dec 8, 2022 • 31min
2.5 Admins 120: Certified Malware
Security cameras that aren’t quite as secure as they claim, why it’s difficult to trust software “from Samsung”, getting started with offsite backups, and ZFS on root on Ubuntu.
Plugs
Support us on patreon
the Role of Operating Systems in IoT
News
Anker’s Eufy lied to us about the security of its security cameras
Samsung’s Android app-signing key has leaked, is being used to sign malware
Free Consulting
We were asked about getting started with offsite backups, and ZFS on root on Ubuntu.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
Kolide
Kolide is a fleet visibility solution for Mac, Windows, and Linux that can help you securely scale your business. Learn more here: https://l.kolide.co/3HB8xUv
See our contact page for ways to get in touch.

Dec 1, 2022 • 30min
2.5 Admins 119: Six Month Scrub
The risks of taking your laptop to a repair shop, why DNS has become concentrated to just a few providers, and powering down drives periodically.
Plugs
Support us on patreon
Virtualization Showdown: FreeBSD bhyve vs Linux KVM
Discussion
Thinking about taking your computer to the repair shop? Be very afraid
DNS concentration
Free Consulting
We were asked about periodically shutting down a server.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
Kolide
Kolide is a fleet visibility solution for Mac, Windows, and Linux that can help you securely scale your business. Learn more here: https://l.kolide.co/3HB8xUv
See our contact page for ways to get in touch.

Nov 24, 2022 • 30min
2.5 Admins 118: Chaos Emerald Wealth
Why the Twitter infrastructure is creaking, Jim’s experiences of the Ubuntu Summit, changing VM resources without rebooting, and more.
News/discussion
Why Twitter will fail shortly
Twitter mayhem, staff cuts have advertisers bailing on the platform
Jim tells us about his experiences at the Ubuntu Summit
Free Consulting
We were asked about WireGuard on OPNsense, and changing VM resources without rebooting.
Tailscale
Tailscale is a VPN service that makes the devices and applications you own accessible anywhere in the world, securely and effortlessly. Go to tailscale.com and try it for free on up to 20 devices.
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.

Nov 17, 2022 • 31min
2.5 Admins 117: Local Burner
Microsoft’s half-baked Arm machine, why it’s a bad idea to go to the World Cup in Qatar, using WireGuard to punch through double NAT, and the best filesystem for removable storage. With guest host Alex Kretzschmar from Self-Hosted.
News/discussion
Microsoft’s new $599 Mac Mini-like PC is designed to improve Windows on Arm
How many major upgrade cycles with your main work machine do you expect to go through before you transition to an Arm machine?
Everyone going to the World Cup must have this app – experts are now sounding the alarm
Qatar Spyware – Schneier on Security
Free Consulting
We were asked about WireGuard and double NAT, and the best filesystem for removable storage.
NetBird
nebula
headscale
Kolide
Kolide is a fleet visibility solution for Mac, Windows, and Linux that can help you securely scale your business. Learn more here: https://l.kolide.co/3HB8xUv
Linode
Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and more easily. Go to linode.com/25a and get started with $100 credit.
See our contact page for ways to get in touch.


