July 2021

Trouble with vnet and pf

In the past, I have tried vnet jails with pf, and hit trouble. I was never able to get pf to allow the vnet traffic when having a default ‘block log all’ rule. More recently, I encountered the same problem when using byhve. This time, I moved byhve to another host, which is not using pf and I am writing this post to document the issue. This post is based on two gists […]

Trouble with vnet and pf Read More »

Tips for running an online conference

NOTE: This post was composed in June 2020. I think I got started running conferences in 2002 when I helped with Open Source Weekend 2003. The next year, I started BSDCan. Three years later, PGCon start. All up, I think I’ve run at least 32 conferences, two of which have been online: BSDCan 2020 and PGCon 2020. This article was planned before the conferences were held. There have been requests to share what

Tips for running an online conference Read More »

Accessing a Dell iDRAC 7 via Nginx reverse proxy

HEADS UP: this is still under review. Until this notice is removed, I recommend not using this. I have a Dell R720 at an ISP. The iDRAC connection is filtered, by the ISP, and is accessible only from a small number of IP addresses. Sure, this talks about a web proxy. It works. So does the ssh forwarding shown at the bottom of this post. NOTE: I should start monitoring that IP addr

Accessing a Dell iDRAC 7 via Nginx reverse proxy Read More »

Ignore files in a subversion working copy

To ignore files in your subversion working directory, try this. [dan@dev-ingress01:~/scripts]: $ svn st M . ? helper_scripts ? show-config.sh ? test-categories.pl ? test-new-xml-code-single.sh ? test-new-xml-code-starting-from.sh I want to ignore all those files, so: $ svn st > .IgnoreThese Then I edit the file, so only the file names are shown. Something like this: Then tell subversion to ignore that list of files. $ svn propset svn:ignore -F .ignoreThese . property ‘svn:ignore’ set

Ignore files in a subversion working copy Read More »

Fixing vulns in poudriere jails

This post was originally a few tweets. It’s not really about upgrading vulnerabilities in poudriere jails either. Read this as if each paragraph was a tweet. When a FreeBSD security alert comes out, or a package is marked as vulnerable, I try to get that fixed as soon as I can. Even if not using the feature. Sometimes a vuln can be leverages against something you are using. Patch it. When it comes

Fixing vulns in poudriere jails Read More »

cron is running all jobs twice – solved

This started earlier today and I solved it only just now. It took me a while to find out it was duplicate cron jobs, and even longer to find out why. Edit: 2025-09-20 – if this is a jail, check your exec.start directives for duplicate entries. This problem arose today. Mine was two “/bin/sh /etc/rc” declarations. See https://bsd.network/web/@dvl/115237669230498431 It started with lockf notifications (if you’ve never heard of lockf before, please read this

cron is running all jobs twice – solved Read More »

Scroll to Top