On 09:57 23 Jul 2003, Kent Borg <[EMAIL PROTECTED]> wrote: | On Tue, Jul 22, 2003 at 06:41:54PM -0400, System Administrator wrote: | > I am assumong that you use something on the order of | > dumpcommandline > /var/log/backup | > If so - change to dumpcommandline >> /var/log/backup | > | > the >> appends rather than writing to the file. [...] | No, don't use cat. It will work part of the time, but if two | processes try to log something at the same time things will get | garbled or lost or I'm-not-sure.
Garbled, maybe. Lost, no. >> guarentees all writes append, and thus don't overlap. But probably his backup runs don't overlap, and that logfile looks specific to his backups, so there should be no multiple-writer issues. | Use logger (for shell access) or | syslog(3) (for C access). | | For example, I just did this: | # logger this was written with logger and my term is $TERM Logger is great so single line syslog messages. He's copying a whole command multiline output to a special log. Logger is not the tool. | -kb, the Kent who didn't know about logger until now, but he knew | simple redirection was a bad idea and started looking through a couple | man pages. - cs, who also hadn't looked at logger, but now sees many users for it. Thanks:-) Cheers, -- Cameron Simpson <[EMAIL PROTECTED]> DoD#743 http://www.cskk.ezoshosting.com/cs/ An unbreakable toy is useful for breaking other toys. - Van Roy -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://www.redhat.com/mailman/listinfo/redhat-list
