Getting source RPMs with yumdownloader
In theory, the yumdownloader program that is part of the yum-utils package will download the source RPMs if you want it to. In practice Ispent a long time having it not work on my Fedora Core 6 machines, untilI read yet another bland bit of advice telling me to use it and decidedto figure out just what was going on.
(The problem was quite frustrating, because yumdownloader nevercomplained; it just silently did nothing.)
It turns out that the trick is that you need to specifically
不要站在常識的對立面
How NFS is unreliable for file-based locking
You hear a lot about how NFS is unreliable for file-based locking,but you rarely hear how and why, and understanding the details helpsin understanding what can go wrong. The fundamental source of NFS'sunreliability issue here is what I'll call the replay issue.
The communication between NFS clients and NFS servers is unreliable;both requests and replies can be dropped. Only the client worries aboutthis, and it uses a simple approach: if it didn't get an answer to itsrequest,
異端
我這個行李篋
這個行李篋,其實,帶給我的歡樂不多。
因為,玩樂時忘了形,鬱悶時才待在家中,寫下的自是眼淚。
朋友不喜歡看。因為覺得與我的真人脫節。女孩子認為我是大笑姑婆,男孩子認為我是粗口最最流利動輒起飛腳踢人的女生,
請廣傳。終於出手了!
蘋果日報﹕揭明光社底牌系列
作者﹕台灣國立中央大
Weekly spam summary on June 9th, 2007
This week, we:
- got 13,047 messages from 274 different IP addresses.
- handled 19,786 sessions from 1,500 different IP addresses.
- received 255,420 connections from at least 71,636 different IPaddresses.
- hit a highwater of 12 connections being checked at once.
The volume is down compared to last week andprobably down overall, although not by much. The count of different IPaddresses is up a
清心以待
去脈絡(de-contextualize)、拼貼一直都是一種帶有暴力的行為,我已經想不起我何時第一次為這種暴力感到不適,以致在寫論文的時候,一旦涉及引用或大量資料都非常忌憚而笨