CB Response: Minion fails to start, other process using port 5000
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Article ID: 289517
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Updated On:
Products
Carbon Black EDR (formerly Cb Response)
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Issue/Introduction
One or more minions fails to start when a cluster start command is issued Service failing to start is `cb-coreservices` /var/log/cb/coreservices/debug.log on Master shows connection to node fails /var/log/cb/coreservices/startup.log on failing Minion shows connection over :: (IPv4 localhost) on port 5000 failed
Environment
CB Response: 6.x Clustered environment
Cause
Port 5000 in use by another process
Resolution
Stop Cluster services from Master (Cluster > steps 1, 2)Connect to minion and launch terminal Find ports being used by Process name and Process ID (PID)
netstat -tulpn
Get more information on Process using port 5000 from above
ps aux|grep <ProcesName>
Kill process using port 5000 by PID
kill -9 <PID>
Start Cluster services from Master (Cluster > step 3)
Additional Information
Work with administrator for 3rd-party application to change the port for that program away from port 5000 to avoid the need to do these steps each time
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