Installing variety wallpaper changer on Fedora 25

The rpm-sphere rpm doesn’t work for me. First install some packages, you may need more, these worked for me:

Then create a python virtualenv & activate it.

Download the variety & python-distutils-extra tarballs & untar. Install both packages into your virtualenv (python-distutils-extra first).

Go to virtualenv bin directory & rename (this …

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nrpe systemd socket activation

If you’re using nrpe socket activation and don’t have a template file, try this in /etc/systemd/system/nrpe@.service :


emacs tip of the week #7: local chord shortcuts

I like chord-mode to avoid emacs pinkie. If you want to bind say a quick double I to indent in python mode (and double U to unindent), do this:


Getting a lot of spam from .tk domains – kill it with spamassassin

Seems they are cheap to set up, spammers set up domainkeys / SPF too! Here’s a spamassassin rule (don’t use it if you get valid mail from .tk):

UPDATE: Looks like the spammers get a free .tk domain, rent a temporary DigitalOcean box, set up spam relay on it and blast out mail until …

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