These months have been quite busy for me, but I always try to find some time to seed on local communities the knowledge of some particular Open Source software, especially for OpenNebula (someone called me evangelist, but it is really too much for what am I doing).
More …Are you wondering how many alternative ways to get notifications from your nagios/icinga exists, other than plain email messages? And what if you actually are monitoring your email or DNS infrastructure and you don’t want to use a third-party email account dedicated to our precious notices?
More …During these first hot-days in Florence, I’ve attended the EVA Florence 2012 conference, presenting a talk with Cristiano Corsani about a project for the National Library of Florence (BNCF), covering the deployment of a small Private Cloud using exclusively open source software, for serving internal and public BNCF services.
More …During the migration of a RAID1 mdadm on Ubuntu server to a ZFS mirror, I got stuck at the initial zfs volume creation with the following error:
More …In recent Linux releases, it’s available a tiny module called zram, that permits us to create RAM based block devices (named /dev/zramX), which will be kept in memory as compressed data. These ram-based block devices allow very fast I/O, and compression provides a reasonable amounts of memory saving.
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