Blog, Christmas Carols

O Holy Night, Spanish version

Recently, according my English listening abilities have improved, I’ve discovered the depth of some English and American Christmas Carols. In Spanish, most of the existing Christmas Carols can be summarized as: party, fiesta, fish which are drinking in the river, trotting donkeys, and other consequences related to happiness caused by God becoming a man. Only …

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I want to automate my home lights, but nobody sells me what I need

I’d like to automate my home. I’d like having all my electrical circuits centralized and remotely managed, and being able to turn on and off lights from outside home, or in a scheduled way. Pressing a button when exiting home so all the house lights turn off immediately would be very cool, and the perfect …

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Can you license under the GPL a software requiring payments to work?

Some days ago, in the local Spanish WordPress Slack, I kept an interesting conversation about if a WordPress plugin, licensed under the GPLv2, may include a piece of code that disables the plugin, totally or partially, if a valid activation code is not entered in the plugin configuration backend. That is: if GPL-licensed software can …

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Error when installing customized SELinux policy in CentOS 7 Core

If, in CentOS 7 Core, when you try to install a customized SELinux policy like the ones generated with # grep sshd /var/log/audit/audit.log | audit2allow -M test_new_policy “` you get this error: # semodule -i test_new_policy.pp libsemanage.semanage_exec_prog: Child process /sbin/load_policy did not exit cleanly. (No such file or directory). libsemanage.semanage_reload_policy: load_policy returned error code -1. …