Its a very quick process to update ESXi version to the latest. This procedure is completed via esxcli going through a SSH session to the Server. The update takes around 5-10mins depending on the hardware resources of the server and the failure is minimal. But not to say that the things wont go wrong so please make a BACKUP before you proceed.
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It's now possible to integrate FreeIPA/IDM (Red Hat) into vCenter Appliance (vCSA)/ vCenter Server for User authentications. We need to configure IPA server and vCenter Server for LDAP to authenticate users from IDM server. Follow this guide and you will up and running in no time with a fully working vCenter appliance/server with user authenticating from IPA Server. No need for Windows AD anymore :) .
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Its possible to upgrade Nagios CORE to the latest version by just following these simple steps. This article covers upgrade, backup and restore in case of a failure.The Latest Version of Nagios CORE is 4.2.4 as of January,2017 for which you can download the Source files from Nagios Website. The process would involve stopping of Nagios and Apache service, compiling Nagios from source and then restart both the services. You need to be admin/Root user to implement the upgrade.
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It's possible to get a list of users of active users in IDM/IPA with formatted date and time by running this one liner command. It gets you the list of users with last successsful authentications to IDM/IPA server. Very handy command when it's required for Audit purposes. It will also give you the list of users who last changed password and you can modify it according to your requirements.
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If you are getting this error while installing Nagios Core on RaspberryPi run these commands to resolve the error and get Nagios up and running in no time. These commands wil need to be run as ROOT. You need to restart the nagios service after you carry out the changes.
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