這是我的舊日記一則,從前不太明白寫日記的樂趣,那次 Moleskine 送了我一本,嘗試亂寫了兩三個禮拜,一寫就上癮了。
後來,我這「大作」更居然給 Moleskine 拿了去作巡迴展覽之用,讓中港台的朋友都見到我的「真跡」,真的獻醜了。
事隔
We recently went through the experience of upgrading all of our ZFSfileservers from Solaris 10 update 6to Solaris 10 update 8. This took somewhere around twenty minutes ofdowntime per fileserver, most of which was waiting for ZFS pools toslowly import.
You might wonder how we got an OS upgrade to go so fast. The answeris that we cheated, twice.
The first way we cheated is that we didn't upgrade the OS; instead, we(re)installed Solaris 10 update 8 from
Finding guidelines for acquiring a marriage license in St. Louis County is somewhat a pain in the rear. Because it's a convoluted mess of links to get to the information you need, I thought I'd put it a little more succinctly, for those who, like me, just want to get it over with...
A lot of programs and systems like producing warning messages in variouscircumstances, or just informative messages. Sometimes the authors ofthese systems are surprised when sysadmins have very grumpy reactions tothose messages. Fortunately, I have realized that there is a very simpleand general rule about when your messages will irritate sysadmins andwhen they won't, and it even ties into current jargon:
You should only produce actionable messages (by default).
An actionable message is a message where a sysadmin can and in factshould take some