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Top Forums Shell Programming and Scripting Run awk command on remote host Post 302990254 by rahul2662 on Tuesday 24th of January 2017 05:36:15 AM
Old 01-24-2017
Run awk command on remote host

I have below command to check for error logs from last 24 hours from the file : /var/log/messages/ The command is working fine on the local host.

Code:
sudo awk -F - -vDT="$(date --date="24 hours ago" "+%b %_d %H:%M:%S")" ' DT < $1' /var/log/messages | egrep -i "error|fail"

I want to run the above command on a remote host. I tried below command but it is not working. (Note :- I provided remote host ipaddress instead of "hostname" in the below command)

Code:
ssh hostname -t sudo 'awk -F - -vDT="\$(date --date="24 hours ago" "+%b %_d %H:%M:%S")" ' DT < \$1' /var/log/messages'
-bash: $1 /var/log/messages: No such file or directory

Kindly help.

Thanks
Rahul
 

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mtailrc(5)							   User Manuals 							mtailrc(5)

NAME
mtailrc - Configuration file for monkeytail DESCRIPTION
A monkeytail configuration uses Apache-style syntax to declare "groups" of files to be tailed. Best explained with an example: <group testgroup> prefix 'server2: ' sudo yes <file> filename /var/log/apache2/access.log prefix 'server1: ' host server1.example.com </file> <file> filename /var/log/apache2/access.log host server2.example.com sudo no </file> </group> OPTIONS
All options can be either put inside a group or file block. Options inside a file block override those in the group block. filename filename filename defines the filename for this block. host remote-host (optional) host defines that this block's file is to be tailed on a remote server. sudo yes|no|1|0 sudo is a boolean specifying whether this file should be tailed as root. This option is supported for both local and remote files (in both cases you will potentially be prompted for your password). prefix "string: " prefix allows you to specify a short string that will be prepended to every line that is displayed for that given file. FILES
~/.mtailrc - user specific monkeytail config SEE ALSO
mtail(1), tail(1) AUTHOR
Martyn Smith <martyn@dollyfish.net.nz> mtail May 2008 mtailrc(5)
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