Re: way to flush /var/log/message
On 5/20/2012 5:20 AM, Mikkel L. Ellertson wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/19/2012 11:51 PM, Paul Allen Newell wrote:Hello: Is there a way to flush output to /etc/log/message so a tail -f catches things when they happen rather than what I think I am seeing as a buffer hold-until-full delay? Thanks in advance, PaulWhat you are seeing is the last last 10 lines of the file, and then new additions as it is added to the file. This is the way tail -f works. You may want to read the man or info page on tail. Mikkel- --
JD: Thanks for the suggestions of things to "man" in your earlier replyMikkel: I understand tail. What I am having problems with is expecting to see new additions from iptables logging rejections and not getting them until much later, if at all? I just wanted to find out if there was a need/way to make sure that nothing is "waiting" to be written as Idon't know if there is any buffering of output (something like fflush() in c++).
Suvayu and Reindl: Thanks for your suggestions.To all: I am getting the sense from these answers that the assumption is that anything that needs to be written to /var/log/messages happens on demand and there is no buffering (as in "nobody replied that I need to do something to flush").
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