Client FOG - Server FOG

[Almeida]

Hello,

Is it possible to send information from a linux client fog machine to the fog server.

I would like to extract the result of the command “last” in a file that will be sent to the fog server.

Thanks.

[Sebastian Roth]

@Almeida Do I get this right? You want to run a command on one (or many) or your clients and get the output of that command back?!

I suppose you can use snapins if you have the fog-client installed on the linux machine. But snapins usually don’t return command output to the server. So you’d need to write a script that first mounts a share on your FOG server and pipes the output of last to a file on that network share.

Do you have SSH enabled on the Linux client machines? If so I’d suggest using clusterssh to achieve what you want to do.

[EduardoTSeoane]

@Almeida

We have implemented that on Linux and windows machines with the fog-client.

We have a little snapin’s collection to create and upload configuration templates/backups from some clients to a dedicated ftp server.
We have another little snapin’s collection to retrieve/modify information via webservices too.

The secret is the recipe to the script code to be executed by fog-client.

My little experience (at this moment) is: if you can code it then fog can do it. (Sometimes can be so hard and sometimes you must not to do it.)

[Sebastian Roth]

@EduardoTSeoane Do you mind sharing a simple script as basis to start from?

[EduardoTSeoane]

@Almeida
@Sebastian-Roth

this is a simply example, security is by your side:

#!/bin/bash
SERVER=$1
USERNAME=$2
PASSWORD=$3
FILE=$4  
USER_TO_LAST=$5
echo "Result from last $USER_TO_LAST" &> $FILE
last $USER_TO_LAST &>> $FILE     
lftp -u $USERNAME,$PASSWORD $SERVER << EOF
put $FILE           
EOF

Configure as on image:
Snapin template is bash.

Tested on Linux Mint 19.