'arp' command not found when run remotely through Python Paramiko

Asked Sep 09 '20 at 02:32

Active Sep 09 '20 at 02:32

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I need to run a script that gets the IP addresses of Qemu VMs running on a Centos Linux Machine. This script is run remotely from another machine.

I am using the python 'Paramiko' library to remotely connect and run the script. However, when I run the arp command to get the IP from the mac address, I get 'arp: command not found'. However, when I log in to the machine and run the script it runs perfectly. It only fails to recognize the arp command when I run it by connecting through Python Paramiko.

Command used:

arp -an | grep aa:bb:cc:dd

I tried running this directly through Paramiko, as a part of a python script (through subprocess) and shell script. All result in the same error - arp: command not found How do I rectify this issue?

asked Sep 09 '20 at 02:32

krr

2

try to use `/full/path/arp`. You can also use some command to check if you run code as the same user as in direct connection. – furas Sep 09 '20 at 02:39
Using full path worked, thanks @furas – krr Sep 10 '20 at 02:09

'arp' command not found when run remotely through Python Paramiko

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