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2.5 Admins

2.5 Admins

318 episodes — Page 5 of 7

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 24, 202230 min

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.  

Nov 17, 202231 min

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 10, 202229 min

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.    

Nov 3, 202233 min

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 27, 202229 min

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.  

Oct 20, 202232 min

2.5 Admins 112: Reuse > Recycle

A drone-delivered exploit system, why companies destroy perfectly good hardware, and pulling backups from a Windows machine.   Plugs Support us on patreon iX and Klara – The Open Source Era is Upon Us Your Comprehensive Guide to FreeBSD’s rc   News Drone attack Twitter thread Why Big Tech shreds millions of storage devices it could reuse   Free Consulting We were asked about pulling backups from a Windows machine. cwRsync Acrosync       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 13, 202229 min

2.5 Admins 111: The Freezer Trick

SSDs are probably more reliable than spinning hard drives, how much RAM you actually need, Cloudflare alternatives, sudo password security, and more.   Plugs Support us on patreon the History of Package Management on FreeBSD   News/discussion The SSD Edition: 2022 Drive Stats Mid-year Review How Much RAM Do You Need in 2022? Exploring Swap on FreeBSD   Feedback Fastly Gcore Jetpack A Practical Guide to (Correctly) Troubleshooting with Traceroute (pdf) Paris Traceroute How to properly interpret a traceroute or mtr TRex   Free Consulting We were asked about sudo password security.       BorgBase Manage all your Borg backup repositories in one place via web interface or API. Use promo code 25A to get 30% off your first year at BorgBase.com   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 6, 202232 min

2.5 Admins 110: Border Gateway Currency

How a BGP hijack facilitated the theft of $235k worth of crypto, why we aren’t too excited about Cloudflare’s new CAPTCHA, and how to configure ZFS on Proxmox.   Plugs Support us on patreon Deploying FreeBSD on Oracle Cloud Allan and Wendell chat about ZFS data recovery   News How 3 hours of inaction from Amazon cost cryptocurrency holders $235,000 Announcing Turnstile, a user-friendly, privacy-preserving alternative to CAPTCHA   Free Consulting We were asked about ZFS on Proxmox. Klara Article: Jim on tuning ZFS recordsize Jim’s Proxmox bug       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 29, 202231 min

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 22, 202232 min

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 15, 202232 min

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 8, 202230 min

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.  

Sep 1, 202231 min

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 25, 202230 min

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 18, 202229 min

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 11, 202231 min

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.      

Aug 4, 202229 min

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 28, 202229 min

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.  

Jul 21, 202230 min

2.5 Admins 99: 00000000

A PSA about cheap hard drives, a major Internet outage in Canada, Apple’s new Lockdown Mode, and hostnames and DNS.   Plugs From 0 to Bhyve on FreeBSD 13.1 Support us on patreon   News PSA: buyer beware on “WaterPanther” drives Canadian ISP Rogers falls over for hours, takes out broadband, cable, cellphones Rogers restores service for ‘vast majority’ of customers after massive outage Rogers outage points to need for greater oversight of critical industry After massive Rogers outage, Government of Canada to force telecoms to help each other in emergencies Apple expands commitment to protect users from mercenary spyware Why Lockdown mode from Apple is one of the coolest security ideas ever   Free Consulting We were asked about hostnames and 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/25a and get started with $100 credit.       See our contact page for ways to get in touch.  

Jul 14, 202230 min

2.5 Admins 98: Lemonade

Picking the right switch, clustering Raspberry Pis, dynamic DNS, replacing a desktop PC, work-life balance, and more.       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 7, 202229 min

2.5 Admins 97: Gotta Go Fast

The best ways to test your Internet speed, more on filesystem caching, monitoring servers at scale, and more.   Plugs ZFS Developer job description Webinar: Open-source Virtualization: Getting Started with Bhyve Support us on patreon   Discussion Public iPerf3 servers DSLReports MTR fast.com   Feedback OpenZFS on Windows   Free Consulting We were asked about monitoring servers at scale. Nagios Zabbix LibreNMS     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.  

Jun 30, 202228 min

2.5 Admins 96: Skunky Routers

Internet Explorer is dead, Cisco small business routers that need to be junked, antivirus on Linux servers, and you’ll never guess what Jim and Allan recommend for easily rolling back updates.   Plugs ZFS Developer job description Webinar: Open-source Virtualization: Getting Started with Bhyve Support us on patreon   News Internet Explorer 11 has retired and is officially out of support—what you need to know If you’re using older, vulnerable Cisco small biz routers, throw them out   Free Consulting We were asked about antivirus on Linux servers, and easily rolling back updates. Sophos Anti-Virus for Linux Bitdefender Endpoint Security Tools for Linux best practices VMware Carbon Black Endpoint         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.  

Jun 23, 202230 min

2.5 Admins 95: Opened in 45 Seconds

The finer points of allocating VM resources, Jim is annoyed with the browser situation on Ubuntu desktop, and when you should have passwords on your SSH keys.   Plugs ZFS Developer job description Support us on patreon   News/discussion How are we improving Firefox snap performance? Part 1   Free Consulting We were asked about passwords on SSH keys.       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.  

Jun 16, 202230 min

2.5 Admins 94: Free IPv4s, Click Here!

Freeing up millions of IPv4 addresses, WSL 2 comes to Windows Server, why cert renewal should be automated, what to do with SMR drives, and more.   Plugs ZFS Developer job description Support us on patreon   News Freeing up of hundreds of millions of IPv4 addresses proposed Windows Subsystem for Linux 2 splashes down on Win Server 2022 Massive podcast outage caused by Spotify’s failure to renew security certificate   Free Consulting We were asked about making use of SMR drives, and tuning ZFS         Kolide Endpoint Security for Teams That Slack – Try for Free Today! https://l.kolide.co/3LpQbqk   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.    

Jun 9, 202229 min

2.5 Admins 93: Bhyve Mind

A Linux user tries out FreeBSD’s Bhyve hypervisor, choosing storage for a VMware ESXi server, and perfect use case for WireGuard.   Discussion Jim has been testing Bhyve   Free Consulting We were asked about connecting home and small business networks, and choosing storage for a VMware ESXi 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.     See our contact page for ways to get in touch.  

Jun 2, 202231 min

2.5 Admins 92: End to End to End

End-to-end encryption is under threat again, Broadcom is buying VMware, prison time for an angry DBA, and backing up your photos with encryption.   Plugs Evaluating FreeBSD-CURRENT for Production Use BSDCan 2022 – Online June 1-4th Support us on patreon   News “War upon end-to-end encryption”: EU wants Big Tech to scan private messages Broadcom to buy VMware on Thursday for ‘$60 billion’ Angry IT admin wipes employer’s databases, gets 7 years in prison   Free Consulting We were asked about backing up photos with encryption. Stingle is a privacy-focused open source photo backup application Google Photos is so 2020—welcome to the world of self-hosted photo management     Kolide Endpoint Security for Teams That Slack – Try for Free Today! https://l.kolide.co/3LpQbqk   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.  

May 26, 202229 min

2.5 Admins 91: The Deenis

More on Ubuntu mirrors and DNS, detecting advanced persistent threats, resilient backups, and open source Active Directory alternatives.   Plugs bhyve: the BSD hypervisor Support us on patreon   Feedback ubuntu/pool/main/b/bash Damaged ZFS filesystems can be more or less unrepairable   Free Consulting We were asked about open source Active Directory alternatives.     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.  

May 19, 202230 min

2.5 Admins 90: 2 Admins

Another attempt to replace passwords, trying to solve the problem of write-once storage, and the unusual ways we manage our invoices.   Plugs EuroBSDCon CfP: September 15-18, 2022 in Vienna, Austria. Submit by May 25th Support us on patreon   News Apple, Google, and Microsoft want to kill the password with “Passkey” standard How Apple, Google, and Microsoft will kill passwords and phishing in one stroke Verbatim Launches Write-Once External SSD With 10-Year Warranty   Free Consulting We were asked about open source invoice software.       Kolide Endpoint Security for Teams That Slack – Try for Free Today! https://l.kolide.co/3LpQbqk   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.  

May 12, 202231 min

2.5 Admins 89: Warm Storage

How long optical disks last and why cold storage isn’t usually worth it, VM security, more thoughts on crypto nonsense, and more.   Plugs Learning the Fundamentals of the FreeBSD Shell Support us on patreon   Feedback Twitter thread about optical media longevity Qubes OS   Free Consulting We were asked about exporting VMs.         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.  

May 5, 202232 min

2.5 Admins 88: Great Scott

Musk buys Twitter, Ubuntu’s ZFS on root snapshot tool is put on the back burner, and setting up your own apt mirror.   Plugs Build your own NAS, Part 2: Tuning Support us on patreon   News Elon Musk strikes deal to buy Twitter for $44bn Tweet from Rik Mills (Ubuntu & Kubuntu developer) Launchpad bug to remove ZFS-on-root from Ubiquity installer zsys removed from the 22.04 installer   Free Consulting We were asked about running setting up your own apt mirror.       Kolide Endpoint Security for Teams That Slack – Try for Free Today! https://l.kolide.co/3LpQbqk   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.  

Apr 28, 202230 min

2.5 Admins 87: Unplanned Obsolescence

Yet another IoT company abandons its customers, ridiculous “hard drives”, Postrges with containers, and cloud storage that isn’t quite as good as it sounds. With guest host Alex Kretzschmar from the Self-Hosted podcast.   Plugs Building Your Own FreeBSD-based NAS with ZFS Support us on patreon   News Insteon looks dead—just like its users’ smart homes   Feedback Harder Drive: Hard drives we didn’t want or need Jottacloud   Free Consulting We were asked about ZFS and multipath, and running Postgres with containers.         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.  

Apr 21, 202230 min

2.5 Admins 86: Reluctant Sysadmin

The new features in OpenSSH, an embarrassing outage, the ugly side of Apple’s AirTags, and securing SSH keys when using Git. With guest host Dalton Durst from Linux After Dark.   Plugs Improving Replication Security With OpenZFS Delegation Support us on patreon   News OpenSSH 9.0 released At last, Atlassian sees an end to its outage – in two weeks Police Records Show Women Are Being Stalked With Apple AirTags Across the Country Apple: What to do if you get an alert that an AirTag is with you AirGuard – AirTag protection Tom Scott video   Free Consulting We were asked about securing SSH keys when using Git.       Kolide Endpoint Security for Teams That Slack – Try for Free Today! https://l.kolide.co/3LpQbqk   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.    

Apr 14, 202230 min

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 with UDP.     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.  

Apr 7, 202229 min

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 Huge Hole In Tech Giant Security: Their Call Centers Microsoft: Lapsus$ Used Employee Account to Steal Source Code Lapsus$ found a spreadsheet of passwords as they breached Okta, documents show     Free Consulting We were asked about switches, and self-hosting DNS. Allan’s DNS Made easy affiliate link     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.  

Mar 31, 202232 min

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 how to learn the inner workings of a mail server. Postfix, Virtual Domain Setup     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.  

Mar 24, 202231 min

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 Internet backbone provider Lumen quits Russia Another Step Towards The Russian Splinternet Russia faces IT crisis with just two months of data storage left Cloudflare, Akamai defend decision to stay in Russia     Free Consulting We were asked about using Nagios with Sanoid. Reddit thread       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.  

Mar 17, 202229 min

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 File?   Free Consulting We were asked about the difference between FreeBSD and OpenBSD.       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.  

Mar 10, 202229 min

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 hit version 100. Will websites cope? Samsung shipped ‘100m’ Android phones with flawed encryption   Free Consulting We were asked about the FreeBSD init system, and VMs in sync between the two physical hosts.   The FreeBSD Boot Process reboot -r on untrusted system         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.  

Mar 3, 202228 min

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 and Macs   Free Consulting We were asked about detecting intrusions or malware on servers and networks.       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.  

Feb 24, 202229 min

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 with bet on RISC-V Radio station snafu in Seattle bricks some Mazda infotainment systems   Free Consulting We were asked about solving a policy problem with a technical solution.       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.  

Feb 18, 202228 min

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 change STEM education forever   Free Consulting We were asked about our update practices.       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.  

Feb 10, 202231 min

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 Consulting We were asked about getting started with ZFS. What Makes a Good Time to Use OpenZFS Slog and When Should You Avoid It Choosing the right ZFS pool layout OpenZFS: All about the cache vdev or L2ARC ZFS 101—Understanding ZFS storage and performance How I Learned to Stop Worrying and Love RAIDZ       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.  

Feb 3, 202231 min

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 were asked about maximizing performance in a large capacity storage server. ZFS RAIDZ stripe width, or: How I Learned to Stop Worrying and Love RAIDZ     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 27, 202229 min

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 asked about how we set up machines from scratch.       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 20, 202229 min

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 an old database.       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 13, 202230 min

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 your own email infrastructure   Free Consulting We were asked about using Syncoid for backups.       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 6, 202231 min

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 by Upgrading Our Filesystem   Feedback SpinRite   Free Consulting We were asked about moving a QNAP NAS out of an office.       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.   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.  

Dec 30, 202129 min

2.5 Admins 70: Xmas AMA

It’s our holiday AMA episode. We answered your questions about hobbies, TV resolutions, living in the moment, and the biggest screw-ups we’ve witnessed.   Plugs Panel: FreeBSD Arm64 Flexibility with Ampere Support us on patreon       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.   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.  

Dec 23, 202130 min

2.5 Admins 69: Nice

A huge vulnerability in a Java logging library, ZFS on AWS disappoints, the fastest web servers for static sites, the importance of certs, and more.   Plugs Using FreeBSD’s pkg audit to investigate known security issues Support us on patreon   News/Discussion Log4Shell: RCE 0-day exploit found in log4j 2, a popular Java logging package The Internet’s biggest players are all affected by critical Log4Shell 0-day Canada Revenue Agency and other government departments take some services offline due to security vulnerability Amazon FSx for OpenZFS   Free Consulting We were asked about web servers for static sites, VLANS and interfaces, and certifications.       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.   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.  

Dec 16, 202130 min