2.5 Admins

Why RISC-V looks promising for the future, how the web switched to HTTPS by default, an interesting DoS method, and how mitigating ssh attacks has changed over the years.   Plugs RISC-V: The New Architecture on the Block Support us on patreon   News/Discussion Weaponizing Middleboxes for TCP Reflected Amplification Electronic Frontier Foundation will deprecate HTTPS Everywhere plugin   Free Consulting We were asked about SSH tarpits.     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.      

A pretty serious flaw with Autodiscover that leaks email credentials, why Btrfs sucks for more than one disk, and the best hardware for a low-powered NAS.   Plugs EuroBSDCon 2021 videos are available When to use a SLOG, and when not to Support us on patreon   News Microsoft Exchange Autodiscover bug leaks hundreds of thousands of domain credentials Microsoft knew of Exchange Autodiscover flaw five years ago Examining btrfs, Linux’s perpetually half-finished filesystem   Free Consulting We were asked about the best hardware for a low-powered NAS.       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.  

What exactly constitutes WhatsApp’s end-to-end encryption, your feedback about time-based YouTube blocking, Optane in servers, and what sysadmins actually do.   Plugs Using the FreeBSD RACK TCP stack Support us on patreon   News/Discussion WhatsApp “end-to-end encrypted” messages aren’t that private after all   Free Consulting We were asked about Optane in servers, and what sysadmins actually do.       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.  

Yet another Azure vulnerability, Anonymous dumps a huge Epik leak, running a desktop in a VM, SSH keys on a Yubikey, and ZFS send to TrueNAS.   Plugs Understanding ZFS Channel Programs Support us on patreon   News Security researchers at Wiz discover another major Azure vulnerability Timeline Anonymous leaks gigabytes of data from alt-right web host Epik   Free Consulting We were asked about ZFS sends to TrueNAS, running a dektop in a VM, and SSH keys with a Yubikey.     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.  

A surprisingly cheap and easy way to connect 2 buildings wirelessly, your feedback about Samba, and the realities of parental Internet controls.   Plugs Choosing the right ZFS pool layout Support us on patreon   News/Discussion Point-to-point Wi-Fi bridging between buildings—the cheap and easy way   Free Consulting We were asked about restricting access to YouTube at certain times of day.     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.  

SSD manufacturers quietly switching out components, 20TB non-SMR HDDs, the surprising side effects of killing the landline, ZFS snapshots when space is limited, and how Jim and Allan set up their systems and monitoring.   Plugs History of ZFS: Part 3 Support us on patreon   News After quietly switching to slower NAND in an NVMe SSD, Western Digital promises to be a bit louder next time Samsung seemingly caught swapping components in its 970 Evo Plus SSDs Western Digital introduces new non-SMR 20TB HDDs with onboard NAND Internet revamp for the humble landline     Free Consulting We were asked about how Jim and Allan set up their systems and monitoring, and how to deal with ZFS snapshots when space is limited.       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.  

How getting root might be easier for attackers than you think, what a new OS can teach us about open source development, and why you probably shouldn’t buy enterprise drives for your NAS.   Plugs EuroBSDCon 2021 is Online, September 17-19, 2021 Support us on patreon   News/Discussion Asking nicely for root command execution (and getting it) SerenityOS is a Unix-y love letter to the ’90s   Free Consulting We were asked about enterprise and NAS drives.       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.  

Netflix blocking residential IPs, Intel’s upcoming discrete graphics cards, and the finer points of connecting disks to a RAID controller.   Plugs Achieving RPO/RTO Objectives with ZFS – Part 2 Jim was a guest on Linux Unplugged 418 discussing WireGuardNT Support us on patreon   News Netflix is adding residential IP addresses to its VPN blocklists Intel Introduces New High-Performance Graphics Brand: Intel Arc   Free Consulting We were asked about RAID controllers.     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.  

Why a large sysadmin conference shut down and what it means, roaming between multiple wireless access points, sending ZFS snapshots to the cloud, best practice for tunnelling between home and the cloud, and a novel use for old hard disks.   Plugs Achieving RPO/RTO Objectives with ZFS – Part 1 Support us on patreon   News/Discussion LISA Community Message   Feedback We mentioned Spinning Rust Records who are on Twitter and Bandcamp.         Checkmk Checkmk is the best way to monitor your complex and hybrid IT infrastructure, bridging the gap between IT Ops and DevOps Teams. Go to checkmk.com/25admins and try out the open source or enterprise edition.   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/25a and get started with $100 credit.       See our contact page for ways to get in touch.  

Huge improvements for WireGuard on Windows, and a brief update on the Framework Laptop. Plus why RAID is not a backup, when to use bare metal vs VMs, choosing database types, and more.   Plugs Let’s Talk OpenZFS Snapshots Support us on patreon   News New WireGuardNT shatters throughput ceilings on Windows Framework’s lightweight modular laptop is a winner   Free Consulting We were asked about RAID and whether similar disks die at the same time, Samba speed differences, VMs vs bare metal, and databases.       Checkmk Checkmk is the best way to monitor your complex and hybrid IT infrastructure, bridging the gap between IT Ops and DevOps Teams. Go to checkmk.com/25admins and try out the open source or enterprise edition.   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/25a and get started with $100 credit.             See our contact page for ways to get in touch.