Re: distributed grep

[Hans Schou]

On Sat, 18 Feb 2012, siddharth chhabra wrote:

> Hi
> I have have 3 servers (lets say server1.mycompany.com,server2.mycompany.com and 
> server3.mycompany.com)
> On all 3 servers I have log files called server.log in the following locations -
>
> /home/testuser/store1/log/server.log
> /home/testuser/store2/log/server.log
> /home/testuser/store3/log/server.log
>
> I want to do a grep on all these log files (9 in total 3 on each) from my 
> current computer (server1.mycompany.com) and have the results displayed on my 
> computer.
> I dont want to use -trc as there is nothing to really transfer amongst servers 
> (each has 3 logfiles).
> I have setup servers.txt and am using the --sshloginfile from the documentation 
> but am not able to come up with the exact command I need.

parallel --tag ssh {} grep foo
/home/testuser/store{1,2,3}/log/server.log ::: a b c

Where 'a b c' is the name of your servers.

If this is doing what you want, you can make a shorter command which 
does the same.

/hans
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