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Top Forums UNIX for Dummies Questions & Answers Syslog Messages from Remote Server are not writing to Log File Anymore Post 302919044 by bakunin on Saturday 27th of September 2014 05:08:47 AM
Old 09-27-2014
Quote:
Originally Posted by mrm5102
But that's good to know. I assume you could use that for most daemons that are running?
Absolutely. Whenever you want to delete a file which might be written to by a running process instead of "rm file" use

Code:
cat /dev/null > /path/to/file

which will shorten it to 0 bytes length but retain the inode. The result is the same file with its contents removed instead of a new file with the same name as the old one.

If a program honors a signal depends on how it was written. "Well-behaving" programs (that is: ones which are written like Unix programs are meant to be written) do so, but not every programmer adheres to some informal standard. You will have to find out for every specific program yourself if it is the case or not.

I hope this helps.

bakunin
 

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Razor2::Syslog(3pm)					User Contributed Perl Documentation				       Razor2::Syslog(3pm)

NAME
Razor2::Syslog -- Syslog support for Razor2 SYNOPSIS
use Razor2::Syslog; my $s=new Razor2::Syslog(Facility=>'local4',Priority=>'debug'); $s->send('see this in syslog',Priority=>'info'); DESCRIPTION
This module has been derived from Net::Syslog. Some optimizations were made to Net::Syslog, in particular support for keeping a socket open. What follows is the documentation for Net::Syslog, which completely applies to this module. Net::Syslog implements the intra-host syslog forwarding protocol. It is not intended to replace the Sys::Syslog or Unix::Syslog modules, but instead to provide a method of using syslog when a local syslogd is unavailable or when you don't want to write syslog messages to the local syslog. The new call sets up default values, any of which can be overridden in the send call. Keys (listed with default values) are: Name <calling script name> Facility local5 Priority err SyslogPort 514 SyslogHost 127.0.0.1 Valid Facilities are: kern, user, mail, daemon, auth, syslog, lpr, news, uucp, cron, authpriv, ftp, local0, local1, local2, local3, local4, local5, local6 Valid Priorities are: emerg, alert, crit, err, warning, notice, info, debug AUTHOR
Les Howard, les@lesandchris.com Vipul Ved Prakash, mail@vipul.net SEE ALSO
syslog(3), Sys::Syslog(3), syslogd(8), Unix::Syslog(3), IO::Socket, perl(1) perl v5.14.2 2005-05-09 Razor2::Syslog(3pm)
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