During a recent install of FreeBSD 9.1 onto a gmirror, it was pointed out that my disk partitions were not aligned. Today, I’ll look at how that affects performance, both before and after alignment. Last night, I installed FreeBSD 9.1 onto a separate HDD, which I’ll use as a floater. I can attach this HDD […]
Aligning disk partitions for better throughput Read More »
Late last week I installed FreeBSD 9.1 onto a gmirror, which I created during the install process. I documented it via photographs and comments. Hopefully, the next time I do this, it will be useful to refer to this resource. NOTE that when I did this, the partitions were not aligned properly. See the comments
Installing FreeBSD 9.1 into a gmirror Read More »
People often talk about security. There are many different types of security. Personal security. Security theater. Physical security. In this post, we’ll talk about securing communications channels so that others cannot listen in, and so that others cannot connect. In this article, I’ll talk about using a toolkit, ssl-admin, to create a certificate authority, create
I wrote this some time ago, but never published it. Here we go… Bacula is a fantastic backup solution. It’s open source. It uses a database to keep track of backups. I’ve been writing recently about using ssl-admin as a certificate authority tool. Today, I started using ssl-admin for generating certificates for my backup clients.
Bacula: TLS Allowed CN Read More »
I found this special idea about banning spammers: echo “select comment_author_IP from wp_comments where comment_approved = ‘spam'” | \ mysql –skip-column-names -u root wordpress_danlangilleorg | \ xargs -n 1 -J % sudo pfctl -t idiots -T add % Anyone care to explain how this works?
The PGCon 2013 Call for papers is out. It’s been out for over two weeks. Had you heard about it already? If you have not already submitted, please do so. The deadline for submissions (19 Jan) is just over a month away. That time will fly past. Please don’t leave it to the last minute.
PGCon 2013 call for papers Read More »
I use Bacula for my backups. Most of my backups are done to disk, then copied to tape. I have long liked the idea of having multiple backups on different media. On a regular basis, I move the FULL backup tapes to an offsite location. This is standard practice and highly recommended if you can
Adding Nagios checks for tape drives / libraries Read More »
From this morning: $ bconsole Connecting to Director bacula.example.org:9101 1000 OK: bacula-dir Version: 5.2.6 (21 February 2012) Enter a period to cancel a command. *mount storage=DigitalTapeLibrary slot=1 3001 OK mount requested. Specified slot ignored. Device=”DTL01″ (/dev/nsa0) And nothing mounts… But…. *mount storage=DigitalTapeLibrary slot=1 3001 OK mount requested. Specified slot ignored. Device=”DTL01″ (/dev/nsa0) Eh? OK, backups
Bacula? Why you no mount? Read More »
I use WordPress for three websites: http://dan.langille.org/ (this website) http://news.freshports.org/ http://wp.freebsddiary.org This also mean I have WordPress installed three times. Recently, I looked at moving to multi-site WordPress. I failed. Or rather, I abandoned the process. My goals: have one instance of WordPress for all three website have each blog available via both https Option
Multi-site WordPress installation Read More »
This article talks about FreeBSD 8.2 and how device names might change when you add new devices to an existing system. The other day, when I was telling you about the new tape library, one of the important bits was the device names. The existing tape drive was sa0. The new one was sa1. That’s
Hardcoding device names Read More »