Darn, I really am getting old and forgetful.... I was sure HUP was a valid thing to do to init, though can't remember the last time I've ever touched an /etc/inittab...probably back when I last did UUCP. Or remember what I had typed way back when I was a student. (or that most of my co-workers weren't even born yet when I was a student admin....)
I can't remember how I used to do things before the Internet.... We once interviewed a candidate...and he said for special skills that he was very good at using the "I'm feeling lucky" button on Google to find the answers, so any SA task he didn't know how to perform he could find it.... Too bad that didn't prevent us from hiring him.... Though it wasn't that long ago that I didn't realize that 'reboot' and 'init 6' are not interchangeable on Solaris..... Very annoying that Oracle RAC uses 'reboot' to kick a node out of the cluster....the x64 boxes almost never come back. On 5/14/2011 10:06 AM, Tom Limoncelli wrote: > Q: "What's the difference between kill -1 1 and kill 1 1" > A: Driving all the way to the office to type one keystroke. > > If you need to explain a joke it wasn't funny. Thus, here's what this > unfunny joke means: > > kill -1 1: > This command sends a signal to "init" telling it to re-read /etc/inittab. > This file used to be edited a lot more in the days of serial ports and > modems. > > kill 1 > Tells a Unix system to drop into single user mode. In the days before > remote power controls, console servers, etc. the only way out of single user > mode was to be at the physical console and type "reboot" or CTRL-D. > -- Who: Lawrence K. Chen, P.Eng. - W0LKC - Senior Unix Systems Administrator For: Enterprise Server Technologies (EST) -- & SafeZone Ally Snail: Computing and Telecommunications Services (CTS) Kansas State University, 109 East Stadium, Manhattan, KS 66506-3102 Phone: (785) 532-4916 - Fax: (785) 532-3515 - Email: [email protected] Web: http://www-personal.ksu.edu/~lkchen - Where: 11 Hale Library
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