Managing Daemons¶
This page describes the CentOS7+/Debian daemons you should expect to see with each bundle. This page is for expert users, and may be helpful for debugging/troubleshooting.
Each perfSONAR bundle runs various services, which use one or more daemons.
List of Daemons¶
Testpoint¶
Hosts running the perfsonar testpoint bundle should see these daemons:
postgresql-10.service - stores schedules of pScheduler
httpd.service - web server for pScheduler (apache in Debian)
fail2ban.service - intrusion detection system (IDS) to log suspicious activity
firewalld.service - firewall service
ntpd.service - NTP time synchronisation
owamp-server.service - OWAMP
twamp-server.service - TWAMP
perfsonar-lsregistrationdaemon.service - registration with the Lookup Service
psconfig-pscheduler-agent.service - reads pSConfig templates and generates a set of pScheduler tasks
pscheduler-archiver.service - executes archiver plug-ins using the results of runs
pscheduler-runner.service - executes runs on the schedule using the selected tool
pscheduler-scheduler.service - puts new runs on the schedule or marks a run as a non-starter if it can not find an available slot
pscheduler-ticker.service - handles basic maintenance of pScheduler
Toolkit¶
Hosts running the perfsonar toolkit bundle should see all daemons running in the testpoint plus additional:
perfsonar-configdaemon.service - used by the administrative web interface to configure the host
perfsonar-configure_nic_parameters - detects if the NIC is misconfigured, and makes necessary configuration changes to NIC
perfsonar-generate_motd - takes care of Message of The Day
perfsonar-lscachedaemon.service - perfSONAR Lookup Service cache daemon
logstash.service - used to format and annotate results from pScheduler before storing in OpenSearch
opensearch.service - stores measurement results
elmond.service - backward compatibility interface that speaks the Esmond API from perfSONAR 4.X and earlier.
For selected services in toolkit the status is listed in the Toolkit GUI main page Services tab.
Archive¶
Hosts running an archive bundle should see these daemons:
httpd.service - web server
logstash.service - used to format and annotate results from pScheduler before storing in OpenSearch
opensearch.service - stores measurement results
elmond.service - backward compatibility interface that speaks the Esmond API from perfSONAR 4.X and earlier.