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1. 2 laptops and quite a few servers, some remote, some local 2. While I prefer FreeBSD, I use Linux too. I think it's important to know more than one OS. Also my employer standardized on RHEL, not much choice there 3. It seems to be the one where most of the (non-strictly-security-related) innovation takes place, and many of the OpenBSD security related innovation trickle down reasonably soon. 4. Docker (hate it, love it, but so much software is distributed in this way now), recent WiFi adapters/standards 5. ZFS (I know it's possible on Linux too now, but good luck convincing my employer, anything not covered by support is a tough cookie there), ZFS, ZFS, dtrace, its very nice update/upgrade process, a sane and quite rich base system, the Ports collection, its very nice handbook and documentation. |