Could BFU be more stable and convenient for a common OpenSoalris user as
me? I eventually gave up using OpenSolaris and back to Linux after this tool
had broken some of my blastwave packages for quite a few times.

I doubt it. BFU is meant for an ad-hoc update on a single system for a Solaris developer. Not end user, not sysadmin, but a developer. Which implies that said developer has an indepth understanding of Solaris, and also knows how BFU functions and what the caveats are.

Solaris Express is not meant to be used as a day-to-day desktop system because it is in development and it is changing. Some of those changes might introduce and have introduced problems as the future Solaris 11 (that's currently Solaris Express) is being fleshed out and shaped into the next Solaris.

That's just the nature of the beast, contrary to whatever Sun might say. But Sun does in fact say something along those lines.

If you want a stable, productivity-oriented desktop system for day to day use, and you want that desktop to be Solaris based, then Solaris Express is not for you; rather, use the latest Solaris 10.

If you want to develop on Solaris for Solaris (and other UNIX and UNIX-like systems), or just keep up and play with the latest, cutting edge technology in Solaris, then Solaris Express is for you. Otherwise you have to wait about six months till the backports make it into the next Solaris 10 update.

Finally, if you just want a "clicky-bunty" "don't want to mess with the computer" thing, then you might as well stick with your Linux, or even better, go back to Windows or even OS X. The latter two are complete braindead "I just want to click around" environments.

Unlike OpenSolaris/Solaris, with Ubuntu, I never worry/care about the
installed packages/kernels: System automatically keeps them up to date.

Neither do we with Solaris 10. Like I wrote above, Solaris Express is a development release and has different objectives.


Whenever the system notifies my some updates are available, I'm excited: ha,
there are some important stuffs coming, let me update them! After done, I
would be satisfied: yeah, my system is up to date! it is more stable than
before! it has some cool features! -- In fact, perhaps it might be more
vulnerable than before.

Again: in a development environment, things are unstable. What you describe above would hold true for Solaris 10.

That is saying, I've been feeling happy with it just because it's very
convenience and improving continuously. People like change they can see.

That's an effect of GNU brainwashing. For example, when you update Apple OS X, most of the time, underlying changes are invisible. Same holds true for Windows XP. And it holds particularly true for traditional UNIX systems, because the emphasis is on everything NOT CHANGING and staying and functioning the same way as much as possible.

The "constant update", is simply a Linux/GNU effected mindset. Updates do not have to be visible to be good or effective. It's just the "reboot always helps" and "reinstall/upgrade" mentality. And traidtional UNIX simply doesn't operate in those terms. New cool features are underneath the hood, and not always visible, nor is replacing entire software subsystems the preferred way like on Linux.

It's just a completely different approach to computing. And why is that so hard to comprehend and accept? It's actually a good thing!

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