[Gllug] Intelligent, multiple, log tails

[Marcus Taylor]

I like xargs :) http://unixhelp.ed.ac.uk/CGI/man-cgi?xargs

 ls -at |xargs tail -10 |more

 




On Wed, 07 Jan 2009 13:06:41 +0000
David L Neil Mailing list a/c <GLLUG at getaroundtoit.co.uk> wrote:

> Bit of a newbie question: Does someone have a quick way to view (only)
> recent updates to ANY and ALL server logs please?
> 
> 
> I have a dev server and have directed all logs into one directory
> (including Apache (multiple VHost, CMS, plus rewrite), multiple DB
> servers, multiple email servers, PHP (etc), and applications' own logs).
> 
> When I'm tinkering, my habitual checking for any logged error/access/etc
> involves first jumping into the File Browser to see which logs have new
> entries, and then tail-ing each file, as relevant.
> 
> So to save time I have scripted the `tail` but that only amounts to a
> few keystrokes because it is the log fileNM which is the longer (and
> often with awkward dashes and underscores). Similarly I can script an
> `ls` to list recently-changed files first. However I'm not smart
> enough/BASH-experienced enough to put these together intelligently -
> even assuming that is the way to go... Not sure what it might be called,
> but does someone already have such a utility please?
> 
> 
> - inspect nominated directory (default stated)
> - check for files changed in last n-minutes (say, 10 mins)
> or ...changed since hh:mm time
> - list the log fileNM and its last 10 (say) entries foreach
> - no need to state particular log fileNMs as parameters
> 
> or
> - right-click on fileNM in Gnome File Browser
> - select 'tail' from context menu for a magical pop-up
> 
> or ???something someone has undoubtedly set-up long ago
> 
> 
> I know CentOS has a system log viewer but I haven't got into it beyond
> its default settings for simple SysAdmin monitoring. I have rejected
> db-based ideas because sometimes (shock, horror) my 'change' might foul
> up the RDBMS... Perhaps I should be using the Apache "combined" log
> format option to reduce the sheer number of logs? All advice, best
> practice wisdom, etc, will be appreciated.
> 
> Please advise,
> =dn
> CentOS 5.2, Gnome 2.16, Apache 2.2, PHP 5.2, Python 2.4, ...


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|     Marcus Taylor     |                            Tel: 0207 7398704 |
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