Engineers blogging about Solaris etc. Internals, gotchas, upcoming things, heads-ups on problems. The patching guys' blog was particularly useful in the face of

Engineers blogging about Solaris etc. Internals, gotchas, upcoming things, heads-ups on problems. The patching guys' blog was particularly useful in the face of Solaris' atrocious packaging utils, for example. There was a _huge_ amount of official-unofficial documentation in the blogs that disappeared from the Sun site when Oracle ran its bulldozer through it.