

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

Sep 22, 2022 • 32min
2.5 Admins 109: Selling Technical Debt
Why solving network congestion issues is so difficult, our thoughts on DNS privacy, an unwise use case for 32-bit Linux, and PoE injectors vs switches.
Discussion
The Math Proves It—Network Congestion Is Inevitable
Free Consulting
We were asked about Power over Ethernet injectors vs PoE switches.
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.

Sep 15, 2022 • 33min
2.5 Admins 108: dQw4w9WgXcQ
Why modern interfaces suck, the reasons we don’t recommend Cloudflare, and backups for beginners.
With guest host Gary from Linux Downtime (and Pidgin).
News/discussion
Blocking Kiwifarms
The modern OS desktop is a crime against humanity
Rick Astley has done more to prevent folks clicking on unknown links than all cyber security training combined
Free Consulting
We were asked for advice about backups for beginners.
IDrive
rsnapshot
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.

Sep 8, 2022 • 30min
2.5 Admins 107: s/smart//g
Why the W3C is struggling to move to HTTPS by default and follow-up on Certbot, monitoring, and Silverlight. Plus buying enterprise switches.
News/discussion
W3C’s planned transition to HTTPS stymied by legacy laggards
Free Consulting
We were asked what switches we recommend for enterprise.
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.

Sep 1, 2022 • 32min
2.5 Admins 106: Wrap Your Deenis
A big change is coming to Windows licensing for VMs, Google changes the rules around VPNs on Android, and solving a DoH problem.
Plugs
Support us on patreon
EuroBSDCon Sept 15-18 Vienna, Austria – Allan will be speaking about making ZFS scale for NVMe
News
Microsoft adds virtual core licensing to Windows Server
Microsoft EU cloud revisions just so happen to exclude Google, Amazon
Google Play rule change disallows ad-blocking VPN apps
Free Consulting
We were asked about solving a DNS over HTTPS problem.
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.

Aug 25, 2022 • 30min
2.5 Admins 105: Old Men Yell at Cloud
The pros and cons of using email aliases, an Internet hero scratches his own itch, Jim and Allan yell at the cloud, and choosing a firewall distro.
News/discussion
The Security Pros and Cons of Using Email Aliases
Man who built ISP instead of paying Comcast $50K expands to hundreds of homes
Feedback
A few people wanted Allan and Jim to answer the same question that was discussed on Linux After Dark 23:
In a world of cloud and serverless, is there any point in most people learning the command line?
Free Consulting
We were asked about firewall distros.
Configure CARP
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.

Aug 18, 2022 • 30min
2.5 Admins 104: Bathtub Map
Amazon is acquiring lots of home floor plans, Google will let politicians spam its Gmail users, burning in new drives, and ZFS scrub best practises.
Plugs
Support us on patreon
EuroBSDCon Sept 15-18 Vienna, Austria – Allan will be speaking about making ZFS scale for NVMe
News
Amazon to acquire Roomba robot vacuum maker iRobot for $1.7 billion
Gmail is now officially allowed to spam-proof politicians’ emails
Free Consulting
We were asked about commissioning new drives, and ZFS scrubs.
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.

Aug 11, 2022 • 31min
2.5 Admins 103: AAD the SQL
Good and bad from Meta/Facebook, data centres in London are hogging all the power, separating databases from applications, picking a DB, and more.
With guest host Gary from Linux After Dark.
Plugs
Support us on patreon
News
It’s time to leave the leap second in the past
Meta thinks Facebook may need more “harmful health misinformation”
Electronics are built with death dates. Let’s not keep them a secret
Too Many Servers Could Mean No New Homes in Parts of the UK
Free Consulting
We were asked about separating databases from applications, and how to pick a DB in the first place.
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.

Aug 4, 2022 • 29min
2.5 Admins 102: Admins After Dark
The consequences of accrued technical debt and how to avoid it, a serious security issue in Confluence, Proxmox’s poor ZFS config, and more.
With guest host Gary from Linux After Dark.
Plugs
Support us on patreon
News
Linux x86 32-bit Is Vulnerable To Retbleed But Don’t Expect It To Get Fixed
Debian skip-skip-cross-up-grade
Hardcoded password in Confluence app has been leaked on Twitter
Atlassian reveals critical flaws across its product line
Free Consulting
We were asked about ZFS snapshots, and Proxmox performance.
Jim’s Twitter thread about ZFS config in Proxmox
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.

Jul 28, 2022 • 29min
2.5 Admins 101: Atomic Database
Jim and Allan’s thoughts on GitHub Copilot, why you can’t take the bar exam on modern Intel hardware, and database VM snapshot consistency.
Plugs
Contributing to Open Source: Beyond Software Development
Support us on patreon
News/discussion
GitHub Copilot
Linux Downtime – Episode 51
Why can’t Intel’s 12th-gen CPUs pass the bar exam? Blame the E-cores
Free Consulting
We were asked about database VM snapshot consistency.
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.

Jul 21, 2022 • 30min
2.5 Admins 100: 💯
More on abandoned hardware, central auth, Internet Explorer, Antivirus, monitoring, speed testing, and more.
Plugs
Watch Jim and Allan’s webinar: Getting started with bhyve
Support us on patreon
Things mentioned:
End-of-Sale and End-of-Life Announcement for the Cisco Small Business RV Series Routers (selected models)
Cisco Small Business RV Series Routers
FreeIPA
Sophos
Icinga
InfluxDB
Graphite
Grafana
VictoriaMetrics
Bufferbloat Test by Waveform
A review of Monitor-IO
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.


