2.5 Admins 194: Thundering Mastodon

Mastodon’s link previews are causing downtime for web servers without properly configured caching, locking down DNS inside Windows networks, why using write-once backup media is a bad idea, and increasing the performance of a Microsoft SQL Server with SSDs and ZFS.   Plugs Support us on patreon and get an ad-free RSS feed with early episodes sometimes Jim was on Late Night Linux   News Mastodon delays firm fix to solve link preview DDoS Mastodon Is DDoSing Me  Microsoft plans to lock down Windows DNS like never before     Free Consulting We were asked about write-once backup media, and increasing the performance of a Microsoft SQL Server with SSDs and ZFS.           Tailscale Tailscale is an easy to deploy, zero-config, no-fuss VPN that allows you to build simple networks across complex infrastructure. Go to tailscale.com/25a and try Tailscale out for free for up to 100 devices and 3 users, with no credit card required.             See our contact page for ways to get in touch.