[CentOS] centralized logs server and also storing the logs on the local server

Les Mikesell lesmikesell at gmail.com
Sun Nov 9 17:57:10 UTC 2008


ankush grover wrote:
> Hi Friends,
> 
> I am running most of my company's Linux Servers on Centos 4.x/5.x 32
> and 64-bit. I am now trying to configure a centralized logging server
> where logs of all the linux servers will be stored and also I want to
> store all the logs on the local server aka means logs will be sent to
> the central log server but also will be stored on the local server.
> The reason for storing the logs locally is because we have offices in
> different cities and few more offices are coming up and it is good to
> store the logs locally so that when the connectivity b/w the offices
> break the logs does not get lost. There are lots of configuration
> available on internet which tells how to send the logs to the
> centralized log server but I did not find any configuration where logs
> can be stored locally as well as send to the centralized log.

If you don't mind being somewhat behind on the central copies, the 
simple-minded way is to run a scripted rsync nightly to pull in whatever 
you want from the remote sites.  For the ones that logrotate renames, 
you'll have to adjust accordingly - or fix it so the name always 
contains the date.

> Moreover I am also looking for logs analyzer tool which can generate
> reports separately for each host for ex there are logs of 15 servers
> are stored on the server and this logs analyzer tool should generate
> reports separately for each host.

Analog is very versatile for web logs.  But any tool should be able to 
accept command line options for the files and output location so you can 
script the runs you want.  If you want to go crazy with reporting and 
analysis, look at the tools from
http://community.pentaho.com/index.php and figure out how to get the log 
fields into a database.

-- 
   Les Mikesell
    lesmikesell at gmail.com



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