crond – daemon to execute scheduled commands Synopsis crond [-c | -h | -i | -n | -p | -P | -s | -m<mailcommand>] crond -x [ext,sch,proc,pars,load,misc,test,bit] Description Cron is started from /etc/rc.d/init.d or /etc/init.d when classical sysvinit scripts are used. In case systemd is enabled, then unit file is installed into /lib/systemd/system/crond.service and daemon…
cron – daemon to execute scheduled commands (Vixie Cron) Synopsis cron [-f] [-l] [-L loglevel] Description cron is started automatically from /etc/init.d on entering multi-user runlevels. Options -f Stay in foreground mode, don’t daemonize. -P Don’t set PATH for child processes. Let it inherit instead. -l Enable LSB compliant names for /etc/cron.d files. This setting,…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crmadmin command [options] Description crmadmin – Development tool for performing some crmd-specific commands. Likely to be replaced by crm_node in the future Options -?, –help This text -$, –version Version information -q, –quiet Display only the essential query information -V, –verbose Increase debug output Commands:…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_verify [modifiers] data_source Description crm_verify – Check a (complete) confiuration for syntax and common conceptual errors. Checks the well-formedness of an XML configuration, its conformance to the configured DTD/schema and for the presence of common misconfigurations. It reports two classes of problems, errors and warnings….
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_ticket (query|command) [options] Description crm_ticket – Perform tasks related to cluster tickets. Allows ticket attributes to be queried, modified and deleted. Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -Q, –quiet Print only the value on stdout -t, –ticket=value…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_standby <command> [options] Description crm_standby – convenience wrapper for crm_attribute Check, enable or disable standby mode for a cluster node. Nodes in standby mode may not host cluster resources. Commands: –help Display this text and exit –version Display version information and exit -G, –query Display…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_simulate datasource operation [additional options] Description crm_simulate – Tool for simulating the cluster’s response to events Options -?, –help This text -$, –version Version information -Q, –quiet Display only essentialoutput -V, –verbose Increase debug output Operations: -R, –run Determine the cluster’s response to the given…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_shadow (query|command) [modifiers] Description crm_shadow – Perform configuration changes in a sandbox before updating the live cluster. Sets up an environment in which configuration tools (cibadmin, crm_resource, etc) work offline instead of against a live cluster, allowing changes to be previewed and tested for side-effects….
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_resource (query|command) [options] Description crm_resource – Perform tasks related to cluster resources. Allows resources to be queried (definition and location), modified, and moved around the cluster. Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -Q, –quiet Print only the…
crm_report – Part of the Pacemaker cluster resource manager Synopsis crm_report –from date-time [–to date-time] [additional options] [dest] Description crm_report – Create a tarball containing everything needed when reporting cluster problems Options -V increase verbosity -v,–version software version –features software features -f, –from time time prior to problems beginning: "YYYY-M-D H:M:S" (do not forget the…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_node command [options] Description crm_node – Tool for displaying low-level node information Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -Q, –quiet Essential output only Stack: -A, –openais Only try connecting to an OpenAIS-based cluster -C, –corosync Only try…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_mon mode [options] Description crm_mon – Provides a summary of cluster’s current state. Outputs varying levels of detail in a number of different formats. Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -Q, –quiet Display only essential output Modes:…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_master command [options] Description crm_master – A convenience wrapper for crm_attribute Set, update or delete a resource’s promotion score This program should normally only be invoked from inside an OCF resource agent Options –help This text –version Version information -V, –verbose Increase debug output -q,…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_failcount -r resource_name command [options] Description crm_failcount – A convenience wrapper for crm_attribute Set, update or remove the failcount for the specified resource on the named node Options –help This text –version Version information -V, –verbose Increase debug output -q, –quiet Print only the value…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_error [options] — rc Description crm_error – Tool for displaying the textual name or description of a reported error code Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -n, –name Show the error’s name rather than the description. Useful…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_diff original_xml operation [options] Description crm_diff – A utility for comparing Pacemaker configurations (XML format) The tool produces a custom (diff-like) output which it can also apply like a patch Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output Original…
Pacemaker – Part of the Pacemaker cluster resource manager Synopsis crm_attribute <command> -n <attribute> [options] Description crm_attribute – Manage node’s attributes and cluster options. Allows node attributes and cluster options to be queried, modified and deleted. Options -?, –help This text -$, –version Version information -V, –verbose Increase debug output -q, –quiet Print only the…
crlhelper – Helper program used to store-and-forward CRLs Synopsis crlhelper <semid> <parentpid> <directory> [prefix] Description A helper program used by the Apache httpd mod_revocator plug-in to store-and-forward CRLs from upstream to the various Apache processes in the preform MPM. This saves each process from having to fetch the CRL itself. This is not expected to…
criu – checkpoint/restore in userspace Synopsis criu <command> [options] Description criu is a tool for checkpointing and restoring running applications. It does this by saving their state as a collection of files (see the dump command) and creating equivalent processes from those files (see the restore command). The restore operation can be performed at a…
createrepo_c – Create rpm-md format (xml-rpm-metadata) repository Synopsis createrepo_c [options] <directory> Options -V –version Show program’s version number and exit. -q –quiet Run quietly. -v –verbose Run verbosely. -x –excludes <packages> File globs to exclude, can be specified multiple times. –basedir <basedir> Basedir for path to directories. -u –baseurl <URL> Optional base URL location for…