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 47: ZFS Rules, LTO Drools
The current and future states of system performance across the whole stack, and backing up to tapes. Plus your feedback about clustered filesystems, a ZFS success story, and IPv6 devices. News/Discussion Computing Performance: On the Horizon Free Consulting We were asked about backing up to magnetic tape. Linode Simplify your […]
2.5 Admins 46: Not Actively Supported
Windows 11 has been announced but some key details are still unknown, why you shouldn’t connect consumer-grade network storage devices to the Internet, optimizing Windows guests on KVM hosts, and how to get started with Sanoid. Plugs History of FreeBSD: Net/1 and Net/2: Path to Freedom Support us on patreon News WD My […]
2.5 Admins 45: Weapons grade insecurity
Potentially serious vulnerabilities in military systems, a new ZFS feature that’s mostly for home users, and IPv6 on your LAN. Plugs FreeBSD Performance Observability Support us on patreon News/Discussion Vulnerabilities in Weapons Systems ZFS fans, rejoice—RAIDz expansion will be a thing very soon Free Consulting We were asked about identifying devices with […]
2.5 Admins 44: ZF yes!
Supply chain problems causing a rise in counterfeit chips, busting the myth about ZFS and RAM, gold VM images, and x86 routers. Plugs Introduction to ZFS replication Support us on patreon News Chip shortages lead to more counterfeit chips and devices Free Consulting We were asked about how much RAM ZFS needs, […]
2.5 Admins 43: Find my bandwidth
A potential order of magnitude increase in HDD sizes, Amazon Sidewalk, dying SSDs, planning new systems, ssh vs VPN logins, and more. Plugs History of ZFS: Part 2: Exploding in Popularity Support us on patreon News/Discussion Ultra-high-density hard drives made with graphene store ten times more data Amazon devices will soon automatically share […]
2.5 Admins 42: Guru Medication
Fastly’s recent outage, how attackers probably breached the Colonial Pipeline’s network, crypto mining in anti-virus software, and setting up a box at your friend’s house to watch Netflix while abroad. News Fastly broke the Internet for an hour The 503’s heard around the world Fastly Summary of June 8 outage Colonial Pipeline Chief Says […]
2.5 Admins 41: Swiss cheese security
Synology and Btrfs, backing up low-end Linux laptops, vulnerability management, FreeBSD hypervisors, and more. Plugs Building Customized FreeBSD Images Support us on patreon Feedback Things we mentioned: Barracuda I couldn’t break Synology SHR+btrfs (yet) Our subreddit Free Consulting We were asked about AAA (Authentication, Authorization, and Accounting), backing up low-end Linux laptops, […]
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 […]
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 […]
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 […]
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 […]
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” […]
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 […]
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 […]
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 […]