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Systemrescuecd locks during syslog config11/27/2023 Rsyslog data isn't uploaded because of a full disk space issue on Azure Monitor Agent for Linux You might encounter the following issues. All events received from rsyslog or syslog-ng are queued in /var/opt/microsoft/azuremonitoragent/events if they fail to be uploaded. Azure Monitor Agent identifies the destination endpoint for Syslog events from the DCR configuration and attempts to upload the events.Īzure Monitor Agent uses local persistency by default.It also knows how to parse the message formats listed on this website. Azure Monitor Agent attempts to parse events in accordance with RFC3164 and RFC5424.Any facility or severity not present in the DCR is dropped. Azure Monitor Agent ingests Syslog events via the previously mentioned socket and filters them based on facility or severity combination from data collection rule (DCR) configuration in /etc/opt/microsoft/azuremonitoragent/config-cache/configchunks/.The Syslog daemon uses queues when Azure Monitor Agent ingestion is delayed or when Azure Monitor Agent isn't reachable.The socket path for this communication is /run/azuremonitoragent/default_syslog.socket. Azure Monitor Agent listens to a UNIX domain socket to receive events from rsyslog / syslog-ng.For syslog-ng, the configuration file is /etc/syslog-ng/conf.d/nf. For rsyslog (most Linux distributions), the configuration file is /etc/rsyslog.d/nf.The configuration file specifies the way events flow between the Syslog daemon and Azure Monitor Agent. Azure Monitor Agent installs an output configuration for the system Syslog daemon during the installation process.Overview of Azure Monitor Agent for Linux Syslog collection and supported RFC standards:
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