OEM Agent has “COLLECTIONS_HALTED” status
ISSUE emctl status agent‘s output shows that an agent is “Running and Ready” but its collection status is [COLLECTIONS_HALTED(UPLOAD SYSTEM Threshold – unable to purge files in upload system)] SYMPTOMS oracle@dbpilot|09:23|~/scripts:emctl status agent Oracle Enterprise Manager Cloud Control 12c Release 5 Copyright…
ADF_FACES-60097: FOR MORE INFORMATION, PLEASE SEE THE SERVER’S ERROR LOG
ISSUE After a 12.1.0.5.0 agent was successfully installed on a target host and a database was discovered in Enterprise Manager the selecting a Database Target link in Enterprise Manager 13c Release 3 Cloud Control Results in Errors. It’s very likely the other versions…
REMOVING AN AGENT DIRECTLY FROM AN OEM DATABASE
ISSUE An OEM 12c agent was removed from a monitored host but it’s still displayed in the Targets menu of Enterprise Manager Cloud Control 12c console. Despite it was removed completely from a host (stopped and removed) his target status is UP. The…
3 WAYS TO RUN iptables -L AS NON ROOT USER
ISSUE When I try to list all iptables rules as non-root user I get the following error [maxpatrol@rhel75 ~]$ iptables -vnL iptables v1.4.21: can’t initialize iptables table `filter’: Permission denied (you must be root) Perhaps iptables or your kernel needs to be upgraded. …
RUNNING IPTABLES TOOL AS A NON-ROOT USER
REQUEST Listing iptables rules without being root user, without providing a sudo password, without setting SUID on the iptables executiable, without using sudo keyword. RELATED SOLUTION In this example, the user maxpatrol is being used. First, you should back up your sudoers…
HOW TO DISABLE CPU UTILIZATION (%), MEMORY UTILIZATION (%) AND SWAP UTILIZATION (%) METRICS IN ENTERPRISE MANAGER CLOUD CONTROL (12c, 13c)
ISSUE Enterprise Manager Cloud Control sends me hundreds of emails per day with Memory Utilization warnings. A message looks like: Host=dbpilot.net Target type=Host Target name=dbpilot.net Categories=Capacity Message=Memory Utilization is 95.145%, crossed warning (80) or critical (95) threshold. Severity=Critical Event reported time=Jul 24, 2018 8:21:22…
THE AGENT IS BLOCKED BY THE OMS. AGENT IS OUT-OF-SYNC WITH REPOSITORY
ISSUE When an agent is requested to upload collected metric data the following error appears. [oracle@dbpilot ~] emctl upload agent Oracle Enterprise Manager Cloud Control 13c Release 1 Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved. ————————————————————— EMD upload error:full upload has failed:…
DEINSTALLING THE AGENT THAT WAS INSTALLED THROUGH ENTERPISE MANAGER CLOUD CONTROL CONSOLE
REQUEST The Enterprise Manager Cloud Control Agent must be uninstalled from the target host completely. The agent was installed through the “Add Targets Manually” option in Enterprise Manager Cloud Control Console. SOLUTION 1. Locate the Central Inventory by reviewing the Central Inventory Pointer…
A 13c AGENT DEPLOYMENT PROCESS CRASHES ON REDHAT/OEL 7.X TARGET HOSTS
REQUEST When trying to deploy a 13c agent on the RedHat 7.x or OEL 7.x hosts the deployment process crashes. It crashes both by installing through “Add Targets Manually” option in the OEM console and through .rpm package installation. RELATED A 13c AGENT…
A 13c AGENT DEPLOYMENT ERROR : THE USER “ORACLE” DOES NOT HAVE THE PRIVILEGES TO RUN COMMANDS AS USER “ROOT”
ISSUE The remote prerequisite check fails during a 13c agent deployment process in Enterprise Manager Cloud Control 13c Console. RELATED A 13c AGENT DEPLOYMENT PROCESS CRASHES ON REDHAT/OEL 7.X TARGET HOSTS A 13c AGENT DEPLOYMENT ERROR : THE “VISIBLEPW” IS NOT SET THE…
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