

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

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.

7 snips
Nov 10, 2022 • 29min
2.5 Admins 116: Worst Billionaire
Android’s controversial VPN settings, the deepfake audio arms race, the Metaverse is even worse than we thought, and why you shouldn’t use external cables for server storage. With guest host Alex Kretzschmar from Self-Hosted.
News
Android leaks connectivity check traffic
Meta’s New Headset Will Track Your Eyes for Targeted Ads
Deepfake audio has a tell – researchers use fluid dynamics to spot artificial imposter voices
Free Consulting
We were asked about usuing Thunderbolt storage with a server, and how PINs relate to encryption.
ODROID-H3
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 3, 2022 • 33min
2.5 Admins 115: Key Party
Password spray attacks, the value of certifications vs actual experience, and the best VPN strategy.
News/discussion
Use Authentication Policies to Fight Password Spray Attacks
Free Consulting
We were asked about certifications, and VPN strategy.
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.

Oct 27, 2022 • 30min
2.5 Admins 114: RAID WTF
An impressive AI pretends to be Linux, Jim gets angry about a RAIDZ calculator, and using a laptop as a server.
News/discussion
We interviewed Linux OS through an AI bot to discover its secrets
Free Consulting
We were asked about using a laptop as a server.
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.

Oct 20, 2022 • 33min
2.5 Admins 113: Eggs and Baskets
Traditional vs modern backup methods, hiding malware inside innocent-looking files, and power loss protection in SSDs.
News/discussion
Steganography alert: Backdoor spyware stashed in Microsoft logo
Free Consulting
We were asked about power loss protection in SSDs
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.


