

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

May 27, 2021 • 32min
2.5 Admins 40: Crown Prince of Freenode
The complex tale of the recent IRC drama, Microsoft kills Windows 10X, and why we think a WordPress site was pwned.
News
Microsoft puts Windows 10X variant on the back burner
Freenode IRC staff resign en masse after takeover by Korea’s “crown prince”
Free Consulting
We were asked why a WordPress site had been compromised.
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/twoandahalf and get started with $100 credit.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
See our contact page for ways to get in touch.

May 20, 2021 • 30min
2.5 Admins 39: Cacophony of starts
Testing failing disks and why they don’t work over a certain altitude, and your feedback about ZFS snapshots, authentication, community discussion platforms, Docker and ZFS, and more.
Plugs
Basics of ZFS Snapshot Management
Klara articles RSS feed
Support us on patreon
Feedback
Things we mentioned:
zrepl
authelia
r/25admins
Using bind mounts
docker-vackup
Discussion
Poor Disk Performance
Dell HDD Warranty void above 10,000 ft
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

May 13, 2021 • 31min
2.5 Admins 38: Wires FTW
The importance of VPNs when using Wi-Fi, the complexities of chip node size, and whether appliance NAS devices make any sense.
Plugs
Getting the most out of ARM64
Support us on patreon
News
FragAttacks: Security flaws in all Wi-Fi devices
IBM creates the world’s first 2 nm chip
Free Consulting
We were asked about off-the-shelf network storage 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/twoandahalf and get started with $100 credit.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
See our contact page for ways to get in touch.

May 6, 2021 • 31min
2.5 Admins 37: Exchanging shells
Authorities trying to remove malware from people’s servers, turning your sysadmin hobby into a career, cloud backups, config management, and more.
Plugs
Why you should consider the BSD license
Support us on patreon
Feedback
Cloud backups with Rclone and alternatives, MikroTik network gear, server security, and config management.
News
Brit authorities could legally do an FBI and scrub malware from compromised boxen without your knowledge
Free Consulting
We were asked about the best way to turn your sysadmin hobby into a career.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Apr 29, 2021 • 31min
2.5 Admins 36: Minnesota shower
GUI Linux apps on Windows, Linux kernel development is pen-tested, ZFS and Docker, and converting a Windows installation to a VM.
Plugs
FreeBSD IOStat
EuroBSDCon 2021 CfP
Support us on patreon
News
Graphical Linux apps are coming to Windows Subsystem for Linux
Linux kernel team rejects University of Minnesota researchers’ apology
“Full disclosure” from the University of Minnesota
Free Consulting
We were asked about using ZFS with Docker, and visualizing a physical Windows installation.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Apr 22, 2021 • 29min
2.5 Admins 35: More free consulting
We answer a bunch of your questions about server hardening, managing ZFS snapshots, Docusign, SSL certs in air-gapped networks, and automating updates.
Plugs
EuroBSDCon 2021 Call for Papers
Support us on patreon
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Apr 15, 2021 • 30min
2.5 Admins 34: Free consulting
We answer a bunch of your questions about firewalls, best practices for backups, learning ZFS, QoS, SSH key management, backing up Google Drive, and more.
Links to things mentioned
Unix Haters Handbook
Allan’s FreeBSD Journal Article
Dummynet: The Better Way to Build FreeBSD Networks
Jim’s ZFS 101
Allan’s book
Plugs
Customizing FreeBSD Ports and Packages
All Things Open
Support us on patreon
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Apr 8, 2021 • 29min
2.5 Admins 33: Delete C:
Thousands of students learn about backups the hard way, why securing all of DNS isn’t practical, and how to protect Internet-facing services running at home.
News
Victoria University of Wellington accidentally nukes files on all desktop PCs
Root Server Operators’ Statement on DNS Encryption [pdf]
Free Consulting
We were asked about the best way to secure Internet-facing services running at home.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Apr 1, 2021 • 29min
2.5 Admins 32: Unifail
Our first look at the next generation of Arm, alarming claims about a recent Ubiquiti breach, and setting up a FreeBSD file server.
Plugs
Customizing the FreeBSD Kernel
Check out Joe’s albums
Support us on patreon
News
Containerize all the things! Arm v9 takes security seriously
ARM Morello
Whistleblower: Ubiquiti Breach “Catastrophic”
Free consulting
We were asked about setting up a first FreeBSD file server.
CBT Nuggets
This episode is sponsored by CBT Nuggets – training for IT professionals or anyone looking to build IT skills. Go to cbtnuggets.com/25admins and sign up for a 7-day free trial.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.

Mar 25, 2021 • 28min
2.5 Admins 31: HD bit flips
How we’ll get to 100TB hard disks by the end of the decade, the potential dangers of flipped bits in network traffic, how to organize multiple copies of your backups, and managing dynamic DNS.
Plugs
Understanding Network Performance
Support us on patreon
News
Seagate: 100TB HDDs Due in 2030, Multi-Actuator Drives to Become Common
Toshiba’s disk drive: WTF is the flux control effect?
Bitflips when PCs try to reach windows.com: What could possibly go wrong?
Free consulting
We were asked about how to ensure data integrity on multiple backups, and managing dynamic DNS.
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/twoandahalf and get started with $100 credit.
See our contact page for ways to get in touch.


