Year: 2022

How to fix Linux Error 111: Connection Refused

The error “Linux Error 111: Connection Refused” normally occurs when the host file does not have the appropriate server address or name. It can also arise when the loopback address is missing. Connection Refused Error: Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) TNS-12547: TNS:lost contact TNS-12560: TNS:protocol adapter error TNS-00517: Lost contact Linux Error: 104: Connection reset by peer […]

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Check_MK Agent Setup

If you wish to collect data from remote systems, then use LibreNMS in combination with check_mk. The agent can be extended to include information about applications on the remote system. let’s see how check_mk agent is setup. Installation in Linux/ BSD If you’re using the Distributed Polling setup, then allow access from the LibreNMS host […]

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