Open Source

sshd: error: key_read: uudecode failed

1 Comment / Open Source, ssh / By /

I started seeing this error: Jun 10 19:12:38 nyi sshd[92208]: error: key_read: uudecode AAAAB3NzaC1yc2EAAAABJQAAAIBdX/USEtxnO91Vpujney8gwkq2sRrcU9R6nKAoGv1eNMWrMD9a93kZMjR4fFMAH87g+zyHBftxCsyE0wJX2A0UFgIQsiuOOINkTJMyk\n failed I couldn’t figure it out. Then I searched ~/.ssh/authorized_keys for that string. I found it in there. But the line was incomplete. It looked like I’d deleted the last part of the line. It should end with something like this: […]

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Bacula – AfterJob: Host key verification failed

Leave a Comment / Backups, Bacula, Open Source / By /

I’ve been moving services from one server to another. Manually. My Bacula server is now running in a FreeBSD jail. I just got ready to copy backups from disk to tape. But one aspect was failing: updating my statistics. After each tape job, I collect statistics on that tape, with respect to tape errors. That

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nagios – check_ping CRITICAL – You need more args!!! Could not open pipe:

2 Comments / Jails, Nagios / By /

I’ve been moving some services around lately. A server is dying and I need to move stuff off it. Today I managed to move Bacula and Nagios onto a new server. After a short bit of struggle, I had just one service check that was failing: check_ping. Here’s the example: $ /usr/local/libexec/nagios/check_ping -H bast.example.org -w

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Restricting IP addresses to specific databases

1 Comment / Open Source, PostgreSQL / By / /

Sometimes, you don’t want just anyone talking to your database. In fact, sometimes, you don’t want anyone accessing your database except very specific applications. In this case, I am setting up about 20 databases, each one dedicated to a specific use, and to be accessed only from one IP address each. In this post, I’ll

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The Bacula Tutorial jail server

Leave a Comment / Backups, Bacula, BSDCan, Conventions, DHCP, Disks, File Systems, FreeBSD, Jails, NAT, Operating Systems, pf, PostgreSQL, ssh, ZFS / By /

One of the challenges of providing hands-on demonstrations is giving everyone their own sandbox to play in. I don’t want people to spend time on installing software. I want people to learn about the software in question, specifically Bacula. With this in mind, I’ve been building up a solution based on FreeBSD 9.1, ZFS, and

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