Open Source

Adding two new drives (SSD) to an existing ZFS system

I haven’t tested this yet, but I’ve installed the hardware. The real test will come after a reboot and actual use of the new drives. NOTE: Although this claims to be creating a new ZIL (SLOG) do not believe it. In fact, stop reading right here. There is nothing of use below. What will they […]

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Monitoring backups via Nagios and a shell script

Backups are useless without restores. I’ve written a few posts about Nagios, my current monitoring tool of choice. Included with Nagios are a number of plugins and you can even write your own plugins. In this post, I’ll show you a shell script I wrote to make sure my backup files turn up where they

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InnoDB: Error: log file ./ib_logfile0 is of different size 0 50331648 bytes

This blog is powered by WordPress. When I first start blogging, few had heard the term blog. I hadn’t. I recall being asked, why don’t you use blogging software for The FreeBSD Diary. The answer was simple: it didn’t exist when I started. I am making headway on converting the diary to WordPress, and that

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Getting snmpwalk to talk to snmpd on FreeBSD

NOTE: If you are looking to configure net-mgmt/net-snmp for the first time, the latest article is Configuration of net-mgmt/net-snmp on FreeBSD. Contrary to all the examples I found, it’s not easy to get snmpwalk to communicate with snmpd. I am using the net-mgmt/net-snmp port with the default configuration options. It was installed with: pkg install

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Bacula restore using a regex

Short version: I used this regex when restoring to a jail on the slocum server: !/\.zfs/snapshot/snapshot-for-backup/!/! Background Today I did this when setting up an ssh-key on a new host: ssh-add -L > ~/.ssh/authorized_keys Oh. That should have been >>. Restoring During the Bacula restore, I need to change this path: /usr/jails/mydev/.zfs/snapshot/snapshot-for-backup/usr/home/dan/.ssh/ to /usr/jails/mydev/usr/home/dan/.ssh/ That

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rndc: neither /usr/local/etc/rndc.conf nor /usr/local/etc/rndc.key was found

In this post, I’m using bind98-9.8.8 from ports on FreeBSD 9.3, in case that helps you. Today, I was adjusting the pgcon.org domain as part of the move from the old server to the new server. This move would also see the website updated to PGCon 2015 and the use of Ansible for configuring that

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gelt

For future reference. This server formed the backbone of just about everything I did. It hosted about 13 domains. Sadly, it was i386 and would not do for ZFS. Copyright (c) 1992-2014 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All

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When ssh and ansible play poorly together

Last night, this worked fine. This morning, it fails: # ansible-playbook jail-mailjail.yml PLAY [mailjails] ************************************************************** GATHERING FACTS *************************************************************** failed: [mailjail.example.org] => {“failed”: true, “parsed”: false} invalid output was: Sorry, try again. Sorry, try again. Sorry, try again. sudo: 3 incorrect password attempts TASK: [pkg | install pkg] ***************************************************** FATAL: no hosts matched or all hosts

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