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 two weeks we get together, talk about recent tech news, and answer some of your admin-related questions.
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2.5 Admins 85: Textbook Scam
CAPTCHAs in phishing attacks, Jim gets angry about Bitcoin propaganda in schools, and packet loss with UDP. Plugs Tuning OpenZFS Record size Support us on patreon Discussion How CAPTCHA puzzles cloak phishing page URLs in emails Jim gets mad about crypto propaganda in schools Free Consulting We were asked about packet loss […]
2.5 Admins 84: Open Source Sabotage
An open source dev goes rogue, a big single sign-on provider is compromised, self-hosting DNS, and more. Plugs Should I upgrade to OpenZFS 2.1? Support us on patreon News BIG sabotage: Famous npm package deletes files to protest Ukraine war The Fragile Open Source Ecosystem Isn’t Ready for ‘Protestware’ Okta Hack Exposes A […]
2.5 Admins 83: Solid State Bathtubs
SSD reliability, a huge potential amplification DDoS attack, and learning how a mail server works. Plugs Webinar: Improving Recovery Objectives with OpenZFS Support us on patreon News Backblaze report finds SSDs as reliable as HDDs New method that amplifies DDoSes by 4 billion-fold. What could go wrong? Free Consulting We were asked […]
2.5 Admins 82: Oil, Gold, and Firstborn
Our concerns about Google’s latest acquisition, the technical implications of the sanctions on Russia, more on VPNs and filesystem replacements, and using Nagios with Sanoid. Plugs Controlling Resource Limits with RCTL in FreeBSD Support us on patreon News Google makes second-largest acquisition ever: $5.4 billion for Mandiant Internet backbone Cogent cuts Russia connectivity […]
2.5 Admins 81: Don’t Pay
How not to solve some of the problems with filesystems, why backups are only part of defending your data, and Allan finally tells us the difference between FreeBSD and OpenBSD. Plugs NFS Sharing with ZFS Support us on patreon Discussion Backups ‘no longer effective’ for stopping ransomware attacks Where Did I Put That […]
2.5 Admins 80: 100 Emoji
Browser version numbers might break websites, Samsung’s bad crypto implementation, more on Mazda and Caddy, the FreeBSD init system, and keeping VMs in sync between the two physical hosts. Plugs UNIX Philosophy: The ideas that made UNIX Improving Recovery Objectives with OpenZFS Support us on patreon News Three major browsers are about to […]
2.5 Admins 79: Flex your disks
Maintaining data long-term, Chrome OS comes to generic PCs, and how to detect intrusions and malware on servers and networks. Plugs The FreeBSD Boot Process Support us on patreon News/discussion Most hard drives have a lifespan of three to five years. Have you checked yours lately? Google is bringing Chrome OS to PCs […]
2.5 Admins 78: MAZDA~1.BMP
Why Arm was never likely to be acquired by Nvidia, an expensive bug in Mazda cars, and how there isn’t always a technical solution to a policy problem. Plugs Unix: On the path to BSD Support us on patreon News Arm’s $66bn sale to Nvidia collapses Intel’s strategy for outflanking Arm takes shape […]
2.5 Admins 77: The Joe Ressington Experience
What the recent Spotify controversy means for open podcasting standards, why young people increasingly don’t understand the concept of a hierarchical filesystem, and our update practices. Plugs Modern inetd on FreeBSD Support us on patreon Discussion Joe Rogan Podcast is staying on Spotify says boss Students who grew up with search engines might […]
2.5 Admins 76: Horses for Courses
The pain of updating Windows, FreeBSD vs Linux, and getting started with ZFS. Plugs FreeBSD Periodic Scripts Support us on patreon News/discussion Microsoft: Windows needs at least 8 hours online to update reliably Why we’re migrating (many of) our servers from Linux to FreeBSD Counterpoint to “FreeBSD’s network stack is better” Free […]
2.5 Admins 75: Burning Fiber
Allan has a recent war story for us, Microsoft blocked email from Linode, maximizing performance in a large capacity storage server, and more. Plugs Cluster Provisioning with Nomad and Pot Support us on patreon Feedback Register article about Microsoft blocking email from Linode Allan’s recent war story Photos Free Consulting We […]
2.5 Admins 74: Virtual Pointless Network
A potential new European recursive DNS, why VPNs aren’t the silver bullet some people think they are, and how we set up new systems from scratch. Plugs Support us on patreon The Birth of Unix News/discussion EU wants to build its own DNS infrastructure with built-in filtering capabilities Free Consulting We were […]
2.5 Admins 73: QR Choad
A novel approach to an old scam, your feedback about web servers and ransomware, and maintaining old databases. Plugs Packet Scheduling with Dummynet and FreeBSD Support us on patreon News/Discussion Pay to park scam Feedback Jim’s review of the Caddy web server Free Consulting We were asked about optimising and maintaining […]
2.5 Admins 72: Email Cartel
Microsoft suffers an embarrassment with Exchange, why it’s so hard to host your own email, and the easiest and safest way to manage your backups. Plugs BSDCan 2022: June 1-4th. CFP Closes Jan 19th Support us on patreon News/discussion Microsoft releases emergency fix for Exchange year 2022 bug Gloomy sysadmin take on running […]
2.5 Admins 71: Recover Calmly
Why ransomware isn’t really an infosec problem, how some open source work Allan helped with saved a company millions of dollars, your feedback, and more. Plugs OpenZFS: Native Encryption Support us on patreon News/Discussion Kronos hack will likely affect how employers issue paychecks and track hours How We Saved Millions in SSD Costs […]