Tag Archives: Computers

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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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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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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How to Fix It: Error connecting to database: SQLSTATE[HY000] [2054] The server requested authentication method unknown to the client with PHP and MySQLd

So you updated MySQLd, or perhaps you just updated your distro, like to Ubuntu 20 LTS or whatever the latest and great flavor of the day is… And now you keep getting these pesky errors every time you try to … Continue reading

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courier mta Virtual Users Deliver to mbox Instead of Maildir – Failure of maildrop – .mailfilter Doesn’t Work

In a recent server upgrade (and in fact in a prior server upgrade a few years back) I ran into a problem where my Courier Mail Server (courier-mta) virtual users (virtual domains) for use with IMAP or POP3 (and with … Continue reading

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How to Fix Slow Samba smbd on OpenBSD

So I have been testing out a Samba file server on my OpenBSD 6.7 machine. Its read speed from the OpenBSD Samba server to a Windows 10 client was about 100MB/sec, right where I would expect it with Gigabit Ethernet. … Continue reading

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ping and traceroute Unable to Resolve Hostnames While Other Programs Work Fine

I was chatting with a fellow OpenBSD user on IRC. He was having some very strange problems with name resolution on his OpenBSD machine. Name resolution as his non-root user worked fine with host or nslookup. Most programs would work … Continue reading

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Build Alpine 2.23 on OpenBSD to Fix Hang When Sending Mail

Once again, I love the Alpine MUA. Simple and robust, it just works, and is much faster than a GUI mail client. During a recent OpenBSD install (6.7) I ran into a issue where Alpine 2.21 from Ports (alpine-2.21p4) hangs … Continue reading

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A Journey with the Alpine Mail User Agent (MUA) in OpenBSD or How To Safely Fix: [Folder vulnerable – directory /var/mail must have 1777 protection]

Let me start by saying how much I love the Alpine mail client. It’s fast and easy. I can hit the “d” key ten times and delete as many messages in the amount of time I can click on one … Continue reading

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