Monitor mail queue with filter

check_mailq_filter – an Icinga / Nagios postfix mail queue monitor with a filter (include or exclude mails matching a pattern). So to exclude facebook mails from your monitor you may run: check_mailq_filter.py -x ‘.*facebookmail.*’ While you’re here, have a look at pfqueue – a console tool for interactively viewing your postfix queue that’s a step …

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Add tracking IDs to your web application

With a complex multi-tier stack with HTTP requests getting proxied it can be difficult to track a request as it goes around the system. One thing you can do is enable mod_unique_id in apache – this creates a distinct environment variable UNIQUE_ID in the web server context for each incoming request. Simply loading the module …

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Gnome 3.30 on Arch Linux not ready for use

It seems that the version of Gnome 3.30 on Arch is so unstable with such poor plugin support (despite what the Gnome developers think, tray icons are still required, Gnome is not the only DE available) that I strongly recommend against using it for now. I’ve gone back to the comforting embrace of XFCE. Maybe …

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