| an administrator may need to exec into a pod for a legitimate reason like debugging purposes. containers built from linux and windows os images, tend to include debugging utilities. in this case, an admin may choose to run commands inside a specific container with kubectl exec ${pod_name} -c ${container_name} -- ${cmd} ${arg1} ${arg2} ... ${argn}. for example, the following command can be used to look at logs from a running cassandra pod: kubectl exec cassandra --cat /var/log/cassandra/system.log . additionally, the -i and -t arguments might be used to run a shell connected to the terminal: kubectl exec -i -t cassandra -- sh | |
LoFP
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