IT 新聞
資源教學
It's always nice when people build debugging support into theirnetwork daemon. However, I have a modest suggestion:
When your daemon is designed to be run under
inetd/xinetd,writing debugging output to standard error is a bad plan.
(You win bonus points for also logging it to syslog, so that aninnocent person might be deluded into thinking that it's only going via syslog.)
Because, you see, all that nice debugging output is going to go flyingstraight off to the clients talking
In theory, WanderingThoughts has been syndicated on LiveJournal as the LJ usercks_techblog( here ) forsome time. In practice, LiveJournal has an undocumented, hard-codedlimit on how large syndication feeds can be; go over the limit and LJrefuses to process your feed. Because I dislike small limits, DWiki defaults to putting lots of entries in syndication feeds, more thanenough to exceed LiveJournal's size limit given how I write.
(LiveJournal compounds the problem by not allowing a syndication feedto be
人人扮乖女，只得我做惡女，叫我將一切不公擊退…
開發
《格林兄弟幻險記 The Brothers Grimm 》講的是格林兄弟 Will 和 Jacob 的冒險故事，其後他們將所見所聞寫成現在已經是家傳戶曉的《格林童話集》。與《 Finding Neverland 》的方向不同，這個故事不以真人真事角度改編，而是將他們的事寫成另一個童話故事，
This Friday I discovered a neglected web-based bulletin board on oneof our web servers that was open for posting. Unfortunately, commentspammers had discovered it months before I did and had been gleefullyexploiting it since then. The result gives me an unpleasant, fullthrottle view into the world of comment spammers.
The raw numbers are appalling: in the time they were active, thecomment spammers posted at least 233,799 spam comments (fortunately,the web board only stored the last 10
Overall connections are up from last week : 239,000 SMTP connections from39,000 different IP addresses. The SMTP frontend's highwater mark isup again, hitting 29 simultaneous connections.
Top 10 kernel level SMTP rejections:
Host/Mask Packets Bytes213.4.149.11 13913 638K192.35.251.3 13025 625K
Another day, another Fedora Core 4 Anaconda bug stumbled over. Thistime it is #160911 ,where if your system has any bind mounts, Anaconda can't upgrade itand aborts. (Some other systems call bind mounts 'loopback mounts'.)From the error message that I remember, it seems that Anaconda wastrying to treat the source directory as a disk device and not gettingvery far.
Naturally I was in too much of a hurry to actually get our centralfileserver upgraded