Blog
Security, networks and the occasional questionable decision, mostly with the Philippines in view.
Guide to Setting Up an OOKLA Speedtest Server on RockyLinux 8/9
I'm gonna walk you through a simple guide to get your OOKLA Speedtest server(s) up and running on RockyLinux 8. We'll even make it start automatically when your server boots. Oh, and we'll sprinkle in some basic security tips to keep things safe.
VirtualBox + KVM: Linux Guest Additions: Kernel 6.12 Support – What You Need to Know
From Linux kernel 6.12, KVM initializes virtualization when its module loads, so VirtualBox VMs fail to start with VERR_SVM_IN_USE. There are two fixes: add kvm.enable_virt_at_load=0 to your kernel command line and reboot, or unload the KVM modules before you start your VM.
[businesswire] ZeroTier Reaches 5K Paid Accounts, Closes out 2024 With Strong Year-Over-Year Growth
ZeroTier announced that it has reached 5,000 paid accounts on its software-defined networking platform, closing out 2024 with year-over-year growth. The company credits wider adoption of its secure private virtual networks, from enterprise deployments down to individual users.
Why Netbox is the Best Tool for Managing Your Network Infrastructure and Data Center Assets
NetBox is a free, open-source tool for IP address management (IPAM) and data center infrastructure management (DCIM). I explain why I recommend it: an easy interface, a robust API, open-source customization, and an active community. I maintain several NetBox installations for enterprise customers.
[level zero] Chasing Performance in ZeroTier – VyOS on Minisforum
Level Zero Networking tests ZeroTier performance on VyOS running on Minisforum hardware. The author compares overlay options like Tailscale, NetBird, Nebula, and Twingate, and explains why ZeroTier is especially well suited to site-to-site networking, which is why the blog features it so often.
[Cloudflare] Making home Internet faster has little to do with “speed”
If the Internet is an information superhighway, bandwidth is the number of lanes on the road. The wider the road, the more traffic can fit on the highway at any time. Bandwidth is useful for downloading large files like operating system updates and big game updates.
[NetworkSecurity] BGP Flaw Can Be Exploited for Prolonged Internet Outages #CVE-2023-38802
SecurityWeek reports on CVE-2023-38802, a flaw affecting major BGP implementations that attackers can exploit to cause prolonged internet outages. Several vendors had not patched it at the time of writing.
[Mashable] Discord.io suffers massive data breach, announces closure
Discord.io, a service that let users create custom invite links for their Discord servers, is shutting down after a data breach in which hackers stole data belonging to 760,000 users. Mashable covers what happened.
[Ubuntu] USN-6250-1: Linux kernel vulnerabilities (severe!)
Ubuntu's USN-6250-1 fixes several serious Linux kernel vulnerabilities. They include an OverlayFS permission flaw that allows local privilege escalation (CVE-2023-2640), an IP-VLAN out-of-bounds write (CVE-2023-3090), and a netfilter use-after-free (CVE-2023-31248).
[tom's hardware] AMD 'Zenbleed' Bug Leaks Data From Zen 2 Ryzen, EPYC CPUs: Most Patches Coming Q4 (Updated)
Tavis Ormandy, a researcher with Google Information Security, posted today about a new vulnerability he independently found in AMD's Zen 2 processors. The 'Zenbleed' vulnerability spans the entire Zen 2 product stack, including AMD's EPYC data center processors and the Ryzen 3000/4000/5000 CPUs.
