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「『お元氣ですか?』『私は元気です.』」

tswtsw | March 19, 2007, 3:56 p.m. | Original

1.
新居受到所有人的肯定。雖然我仍然留戀沒有窗子的舊居，但為了建立新居的主體性，儘管遍體冰涼，仍然打開窗子讓風吹去，吹得頭腦發昏也無所謂。

有多久沒有對著窗子思考了？還能不能對著窗子思考？思考會與以前有

blogger 聚會 – 漫談傳媒

JackysBlog | March 19, 2007, 12:06 p.m. | Original

The three strata of virtualization

Wandering Thoughts | March 19, 2007, 1:18 a.m. | Original

It struck me recently that you can view the general virtualizationworld as having three strata:

at the first level, people are just interested in virtualizing andisolating user-level programs. This is the world of FreeBSD jailsand Solaris zones.
at the second level, people are interested in virtualizing theentire operating system. This is the world of server consolidation,hypervisors, paravirtualization and so on.
at the third level, people actively want to virtualize even thehardware itself. This is often the world of testers and so

20070319 推介網誌

JackysBlog | March 18, 2007, 9:52 p.m. | Original

這個網誌推介，以後將會逢星期一和大家見面，由 Jacky 、 pig 、 sidekick 、小奧、 Kursk 和 hang 六位Blogger，介紹一些風格、內容各有不同，來自不同國家、不同BSP 的網誌。希望大家會喜歡。

UEP lay 遊藝館

https://www.artofplay.net/blog/

「人其實天生奔放貪

Why Unix setuid is incompatible with real network filesystems

Wandering Thoughts | March 18, 2007, 1:18 a.m. | Original

One of the drawbacks of real network filesystems like AFS is that they don'tsupport setuid. This isn't a feature that they've neglected toimplement; it's a fundamental incompatibility.

The reason is ultimately simple: in a real network filesystem, theserver doesn't trust the end nodes, and in particular it doesn't trustthe end nodes not to lie to it. If an end node says 'the user X is doingthis', the server must say 'prove it