damien.h

如何从Ubuntu Gutsy顺利升级到Hardy

前两天终于决定把机器上的Gutsy升级到Hardy了。没有第一时间升级就是因为从Gutsy发布开始已经把全部工作环境搬到了Gutsy上,用了半年的环境要折腾一下是需要一定决心的。况且,从Dapper开始,每次升级都没有成功过,只是因为Ubuntu下没什么重要数据,后来都是重新安装的。好在之前咨询的一些尝鲜的朋友都没什么问题的升级成功,所以决定在备份了/home以后开始升级。
果然,Hardy的升级过程非常顺利。除了若干小问题,升级完成以后重启一下马上就回到了熟悉的工作环境,终于松了一口气。看来Ubuntu经过这么多版本的改进,确实已经相当成熟了。那这次升级值得写一下的就只有碰到的个别问题了。

Firefox 2和Firefox 3共存

Hardy默认安装了Firefox 3,但是很多插件还没法装,所以很多人都希望用回Firefox 2。装Firefox 2本身其实很简单,源里就有firefox-2的包。但是升级前如果用的是firefox 2,就一定要先备份好数据,推荐用FEBE完整备份profile。因为升级后Firefox 3会直接使用升级前Firefox 2默认的profile,这样再装回Firefox 2的话,原来的profile在ff2下也不能用了。所以推荐的做法是升级完成后为ff2和ff3各自新建一个profile,然后把ff2备份数据导入,就恢复原样了。

Sun JVM 1.6在64位Hardy下造成Eclipse经常崩溃

对这个问题已经开出了bug报告,而且据说用了OpenJDK 7同样有问题。目前我用的解决办法是在eclipse.ini里添加以下一行内容:

-XX:CompileCommand=exclude,org/eclipse/core/internal/dtree/DataTreeNode,forwardDeltaWith

这样改完以后都没再崩溃过了。另外还可以改用IBM JDK,据说是没有问题的。

无法注销/重启/关机的问题

这个现象可能只有少数人才能碰到,注销/重启/关机到一半就没反应了,需要重启一下x,然后才会继续下去。问题是出在KeyTouch上。把KeyTouch拆了就好了。这个Bug也已经在修复中了,暂时不用KeyTouch也没什么问题。

其他

其实值得提的基本就这些了^^ 升级以后,本来坏了总无法启动的OOo恢复正常了,有时候莫名死机的问题也没有了。总之,这是一次非常成功的升级。Ubuntu向着完美桌面的目标又进了结实的一步。

I’m Zone’d

前两天在折腾wordpress dzone插件的时候惊喜的发觉我上周在新开的feedlr.blog发的Grails IDE文章被顶到DZone上去了,而且貌似大家反映还不错:) Blogosphere果然很好,很强大。

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It’s not a bug. It’s a …

Hey, I have to blog about this one. It’s so funny it’s classic!

Second Life – hype or crap?

Second life is a crap. Because

1. Second life is using a crappy 3D engine.
Even the Quake3 engine from 8 years ago is far superior than this crap.
Some people get excited that they can “fly” in SL. Are they kidding? If flying is a feature, then I’ll call the ability to bury my body into the earth while walking another fantastic feature.
Some people claim that SL has magical scriptability. Wait. Is 3D engines supporting scripting and custom modeling a new at all?

2. Second life is a crappy software which crashes every time I try to exit the program.
Yes, that’s true. And don’t argue with me about that.

3. Second life is pointless.
So the SL huggers say SL is NOT a game. Alright. So what? People shouldn’t judge SL with criteria for games?
I don’t care if it’s a game or not, as long as it has a point. People just get curious about this brand new 3D metaverse which others keep talking about. They want to see for themselves what it’s like. So they create an account and choose an ugly avatar. They start from the training island. They learn how to walk and how to fly. They complete the tutorial and, now what? Exactly. No point from then on. I don’t have a reason to convince myself to explore the wacky islands there and waste my 1st life.

Second life is a hype. Because

1. Grandpa/Outsider/Pretender corporations hug SL to show off their geeky side.
SL huggers claim that SL is so wonderful that the corporate world loves it.
Yes, corporates are loving SL. See who’s on the top 8 SL corporate site list Reuters, Cisco, Sun, …Wait, where’s Google, or Yahoo!, or Microsoft? Now that SL is so wonderful, why don’t I see any serious software and internet company dwelling there?

2. The huge media hype is due to the domino effect
The mass media is amateurish and has always been a pretender about technologies. Some day one press begins with SL. Its competitors have absolutely no idea about the “metaverse”. Yet they mindlessly join the hype just because they are so worried about being left behind about the new hot “techie” stuff. That starts the domino effect and after a while people forget how this began in the first place.

3. More people are not visiting Second Life after the first few times
Latest report shows that SL is losing regular visitors at a considerable rate. Sorry I can’t find the link to that article now. I’ll add it once I recover it.
SL is getting more and more one time new visitors, and fewer and fewer regular visitors. This is typical of a hype phenomenon. When the hype is fading, the long tail shows up.

To sum up, Second Life is both a hype and a crap. But don’t get me wrong. I believe the metaverse is the future for the internet. But metaverse!=SL. The mode of metaverse that I believe will dominate the future will be the one which replicates the real world instead of a pointless chaotic one. In a replica metaverse, one can take virtual tours to every other corner of the world. They do things they actually can do in the real world. At that time, surfing the internet will simply be an extended experience of real life. And there’s no reason why it shouldn’t be like that.

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