Every day for weeks I’ve been seeing these entries in my logs: I could ignore them, but that’s not in my nature. I want to know why this is occurring and fix it. Attempting to find the source, I started a tcpdump on the host: That wasn’t much help. I think I should have logged it to a file. After seeing the log messages again today, and while a little bit of unexpected […]
named: error sending response: host unreachable Read More »
I’m using FreeBSD 9.2 and Nagios 3.5.1. A few weeks ago I wrote about freebsd-update reminding you to upgrade your affected systems. Since then, freebsd-update has continued to send me false positives about upgrading. Suggestions have been made that I track down Colin Percival at BSDCan 2014, which starts in few days. However, I know at least four people have already arrived, two days before any official event, the first of which is
Nagios plugin for pkg audit (replacing portaudit) on FreeBSD Read More »
It seems that when I decided to send a filesystem from one server to another, I neglected to establish sufficient space existed. This morning, before I headed to BSDCan, I found that my server was very sluggish and slow to respond. Nagios was flagging all kinds of errors, some of which I’d never seen before. Looking at the system in question, I found the system 95% full: $ zpool list NAME SIZE ALLOC
zfs receive stalled, filesystem 95% full Read More »
I have two ZFS servers which have several TB of space. One of the great ZFS features is the ability to send one filesystem to another filesystem, on the current or another server. I will do this over ssh. One of my servers has a lot of spare space, so I figure I will duplicate my backups there. The source This server contains a Bacula Storage Daemon with access to about 27TB, with
zfs send on FreeBSD over ssh using mbuffer Read More »
Here is a list of the jails on the two main hosts I use at home: knew I used to have a host called kraken. I created a server server, kraken-new, or knew. knew performs many tasks: runs Bacula regressions tests against various database versions hosts the backups for my Bacula server runs my home mail server on a daily basis, performs a restore of each database backup into a database to make
When I acknowledge a service problem on Nagios, I do not want to send a notification that it has been acknowledge. This patch, against Nagios 3.5.1 changes the default from CHECKED to not checked. With credit to Marc Powell for his suggestion. After that initial success, I went one step further and supplied a default comment of ‘OK’. Acknowledging a service problem is now three clicks. The full patch is here.
nagios – acknowledge a service problem – Send Notification default unchecked Read More »
I remember a time when I’d never been to a conference related to my passions. Once I went, things changed. I realized that making strong working relationships with others who share my passion is important. Not only does this solidify the community of which you are a member, it also helps you personally. Every conference I have attended gave me a great idea for a current or upcoming project. Here are a few
Have you never been to BSDCan? Read More »
I remember a time when I’d never been to a conference related to my passions. Once I went, things changed. I realized that making strong working relationships with others who share my passion is important. Not only does this solidify the community of which you are a member, it also helps you personally. Every conference I have attended gave me a great idea for a current or upcoming project. Here are a few
Have you never been to PGCon? Read More »
I started seeing this recently. It appears in the logs on my firewall: It does not seem to be disturbing anything, other than my nerves. The classical situation is: two PCs are arguing over the same IP address. Each NIC has a unique MAC address, used at the physical network segment. We often refer to IP addresses in a computer network that uses the Internet Protocol (IP) for communication. Let’s look closely at
kernel: arp: 10.55.0.62 moved from 78:ca:39:fe:d6:b3 to 14:99:e2:27:0f:48 on em0 Read More »
I’m starting to play with RabbitMQ as part of a new project. The first goal: get it installed and running. I’m going to do this in a jail running FreeBSD 9.2, but this should be the same if you running a non-jail. I installed via: pkg install rabbitmq In /usr/local/etc/rabbitmq/rabbitmq-env.conf I have the following: NODENAME=bunny@sally NOTE: change sally to the hostname you are installing on. I an doing this in a jail. In
Getting RabbitMQ running: FreeBSD 9.2 Read More »