Cumulus Linux log files are kept in /var/log.
cumulus@switch$ ls /var/log/ alternatives.log btmp dpkg.log lpr.log messages quagga/ apt/ clagd.log faillog mail.err monit.log switchd.log audit/ daemon.log fsck/ mail.info news/ syslog auth.log debug kern.log mail.log ntpstats/ user.log boot dmesg lastlog mail.warn openvswitch/ wtmp cumulus@switch$
Important log files are as follows:
| Log File | Description |
|---|---|
| syslog | This log file shows all issues from the kernel, switchd, and issues from almost all other application processes, like DHCP, smond (look for facility and INFO entries), and so forth. |
| clagd.log | Details status for the clagd process. |
| daemon.log | Details when processes start and stop in the system. |
| quagga/zebra.log | Details issues from the Quagga zebra daemon. |
| quagga/{protocol}.log | Details issues from Layer 3 routing protocols, such as OSPF, BGP, ISIS, and so forth. |
| switchd.log | Logs activity on the switch monitored by switchd, the Cumulus Linux HAL process. |
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