Category Archives: Uncategorized

HOWTO: Make iPhone / iPad (IOS) Use Your Own DNS Server or DNSBL Like Pi-Hole, void-zones-tools, or pfBlockerNG by ByPassing iCloud Private Relay for DNS

So you want to use your own DNS server on your iPhone or iPad. Maybe your dns server is also a dnsbl (DNS Blocklist or DNS Blacklist) that you use to block unwanted ads, telemetry and malware. This might be … Continue reading

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HOWTO: Setup void-zones-tools dnsbl DNS Blocklist (like Pi-Hole) on OpenBSD

I like to use DNS blocklists to block ads, telemetry, and potential malware. Things like Pi-Hole have been popular for a while. If you search you can also find lists to block “offensive” website domains as well, such as adult … Continue reading

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HOWTO Fix Artificially High Load Average on FreeBSD Running on Oracle Cloud

I noticed that my amd64 VPSes on Oracle Cloud all had load averages over 1.0. These are the free tier VM.Standard.E2.1.Micro instances. # w 6:11PM up 5 days, 1 hr, 2 users, load averages: 1.39, 1.62, 1.41 This was with … Continue reading

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HOWTO Allow Ping and Traceroute and MTR (ICMP) to Oracle Cloud Vm Instances and Generally Configure the Firewall- A Visual Guide

So you set up your Free Oracle Cloud trial, including the always free tier which give you some free VPS virtual machines ostensibly forever. Or you are migrating your business resources to Oracle Cloud, as it is slightly less evil … Continue reading

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Clock Offset When Running DragonFlyBSD in a VM with Bhyve under FreeBSD

When running a DragonFlyBSD system as a guest OS virtual machine under the Bhyve hpervisor running under FreeBSD as the host I ran into an issue where the clock on the DragonFlyBSD vm was way off and had to do … Continue reading

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HOWTO Fix Slow Networking with a WireGuard server in a FreeBSD Jail on a VPS, and Slow Downloads in a Jail on a VPS

I was setting up WireGuard server on a FreeBSD machine (13.0) on a VPS. In this case the VPS was a Contabo VPS which uses KVM. (Edit: I just encountered the same issue with an Oracle Cloud VM Instance as … Continue reading

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HOWTO Fix obhttpd[1234]: parent: send server: Protocol not supported on FreeBSD

I was putting OpenBSD Httpd (obhttpd as it is known on FreeBSD) in a jail on FreeBSD 13.0. When I fired up the webserver I got the following error in the logs: obhttpd[1234]: parent: send server: Protocol not supported The … Continue reading

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Broken IPv6 on FreeBSD or mtr: Unexpected mtr-packet error with IPv6 on FreeBSD 13, or Other BSD Systems

This error could be caused by a number of things, but in my case it was a simple error in my ipfw rules. My FreeBSD 13 box would work perfectly for IPv4, but fail with this error for IPv6. IPv6 … Continue reading

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Custom Routing for FreeBSD Jails – or How To Set a Unique Default Route or Default Gateway for Each Jail

I was recently configuring a FreeBSD 13.0 box to run unbound (caching DNS Resolver) in two separate jails. The machine was connected to two WANs through two interfaces. The goal was to have one unbound jail route queries to WAN … Continue reading

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FreeBSD 13 on Raspberry Pi Hangs at First Reboot After Install

I have been putting FreeBSD on a couple of Raspberry Pis. One was an old Raspberry Pi Model B (256M of RAM– the first one released). The other was a newer RPI 3B. On the RPI3B I had a 64GB … Continue reading

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