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Month: January 2016

SMTP Sender-Dependent SASL Authentication in Postfix

January 18, 2016 / 1 Comment

In a previous article I discussed how to use Mailgun as a relay in Postfix. This works great if you are only sending email from one website on your server, often times however you will have multiple websites sending email on a single server. In these cases, websites NOT belonging to the sender domain will … [Read more…]

Posted in: email, Linux, Mailgun, Postfix Tagged: email, Linux, mail, Mailgun, Postfix

My Adventures with Multiple Monitors on Linux

January 4, 2016 / Leave a Comment

Using multiple monitors on my Linux laptop has introduced a couple of unique issues. The largest of which is that the laptop seems to forget my monitor configuration every time I unplug it. This article is going to discuss how I addressed this problem and how I spanned my desktop wallpaper. But first, a bit … [Read more…]

Posted in: Linux Tagged: Fedora 21, Gnome 3, Linux, Multiple Monitors, span wallpaper

Parse Log Files with sed

January 3, 2016 / Leave a Comment

When parsing log files sed is not the go-to tool for most techs, but it offers a pretty neat feature: the ability to easily search a log file for a specific date/time range. Pattern Matching sed -n ‘/Dec 30 13:00/p’ /var/log/messages Date Range Matching sed -n ‘/Dec 30 13:00/,/Dec 30 14:00/p’ /var/log/messages Change Delimiters If … [Read more…]

Posted in: Bash, Linux, sed Tagged: Bash, Linux, logs, sed

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  • SMTP Sender-Dependent SASL Authentication in Postfix
  • My Adventures with Multiple Monitors on Linux
  • Parse Log Files with sed
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