RRDcached is a daemon that caches a bunch of RRD write requests and apply them at once. This enables to speed up RRD files update. When you install Munin on OpenBSD, RRDcached is also installed by default. But there are things to do to actually use it. Here’s how I did it.Continue reading...
It’s been a while since I used Munin monitoring system . I felt like I was going to have a look at the (not so) new 2.0.x branch ; running on my brand new OpenBSD 5.7. As usual, everything is quite well documented in the man pages and readmes. So here are simply my notes with particular directions regarding my installation.Continue reading...
I’ve just discovered than compression can be applied on Dovecot mail storage. Truth is I used to run the delivery via Postfix. Now that I use OpenSMTPD and Dovecot LMTP to deliver the mail, those can be compressed for write (LMTP) and read (IMAP) process. Here’s how.Continue reading...
Looking to replace my old Postfix/Dovecot configuration with more native OpenBSD stuff, I finally ended with a configuration than seems suitable to me. I’ll be hosting virtual users and mail aliases in ldapd(8), smtpd(8) will deal with email receiving/sending and dovecot(1) will be in charge of email delivery using LMTP and email reading using IMAP. Of course, spamd(8) will do a bit of work in front of OpenSMTPD. All of those will run on OpenBSD 5.7.Continue reading...
I started replacing Bind with nsd/unbound on previous OpenBSD release. Now it’s time to update to OpenBSD 5.7 and ensure it still works.Continue reading...