Category Archive: Linux

May 20 2015

Amavisd isn’t running with Postfix – connection refused to 127.0.0.1

Late last night, I decided to apply some needed updates to my personal mail server, which is running Gentoo Linux (OpenRC) with a mail stack of Postfix & Dovecot with AMaViS (filtering based on SpamAssassin, ClamAV, and Vipul’s Razor). After applying the updates, and restarting the necessary components of the mail stack, I ran my …

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Jan 06 2015

Slock 1.2 background colour

In a previous post, I discussed the method for changing the background colour for slock 1.1. Now that slock 1.2 is out, and is in the Portage tree in Gentoo, the ‘savedconfig’ USE flag is a little different than it used to be. In 1.1, the ‘savedconfig’ USE flag would essentially copy the config.mk file …

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Mar 21 2014

Linux – RHEL 6 / CentOS 6 two NICs in the same subnet, but secondary doesn’t ping

Recently I ran into a problem with RHEL 6 (and any derivatives, like CentOS 6 or Scientific Linux 6) where having two NICs (network interfaces) in the same subnet resulted in strange behaviour. In RHEL ≤5 (or CentOS ≤5), one could have two interfaces with IPs in the same subnet and there weren’t any problems …

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