QuickTask: How manually initialize synchronization with NTP server from CISCO switch


ntp sync-retry

Unfortunately without any confirmation is communication was successful or  not.

I hope this is informative for you. Thanks for Reading!.  Be Social and share it in social media, if you feel worth sharing it. Please comment if you have some own experience related with this topic. Thanks !

Q&A: What is happening with snapshots after export to OVF format (by vSphere Client)



  • Parent VMDK file and delta VMDK file is merge that same how during consolidation process (snapshots) or cloning. After exporting VMs files to OVF and next import again to vCenter we will lost snapshots but we still have last current VM state.

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QuickFix: vCenter 6 appliance space issue /storage/core out of space

Troubleshooting Bar #1


vCenter 6 appliance space issue /storage/core out of space

/storage/core folder shows 100% used.


  • SSH into vCSA.
  • issue the command “df -h” to display the disk space status ( /storage/core folder shows 100% used)
  • CD into /storage/core directory
  • issue the command “ls -l -t” to display the files by date. Delete the oldest first.
  •  You should be able to manually remove (rm -f file) some core file placed in /storage/core.


QuickTask: How retrieve IP addresses from VM by PowerCLI


Get-Cluster CLUSTER_NAME | Get-VM | Select Name, Host, @{N="IP Address";E={@($_.guest.IPAddress[0])}}

Due to the way the IP address is referenced and a VM can have more than one IP, you can list additional IPs by adding or changing the array pointer from 0 to 1 and so on, in this part of the command “$_.guest.IPAddress[1]”

QuickTips: How can I tell the SRM version from the log files?

Example header from log file:
2016-11-01T01:49:50.889Z Section for VMware vCenter Site Recovery Manager, pid=26888, version=6.1.0, build=3037005….

VMware Site Recovery Manager server logs are located on the server where SRM is installed, in the All Users profile:

  • For SRM 4.x, 5.x , 6.x :
    • On Windows XP and Server 2003: %ALLUSERSPROFILE%\Application Data\VMware\VMware vCenter Site Recovery Manager\Logs\
    • On Windows Server 2008 and 2012: \ProgramData\VMware\VMware vCenter Site Recovery Manager\Logs\
    • On Windows Vista, 7: %ALLUSERSPROFILE%\VMware\VMware vCenter Site Recovery Manager\Logs\
  • For SRM 1.0:
    • On Windows 2000, XP and 2003: %ALLUSERSPROFILE%\Application Data\VMware\VMware Site Recovery Manager\Logs\




CLI Area – Linux

My useful list of commands for daily work (still in development):

Description: Commands:
Uptime for specific service #1 ps -eo pid,comm,lstart,etime,time,args | grep ServiceName
Uptime for specific service #2 (pid) ls -al /proc | grep 18358
Lists installed RPM on linux rpm -qa
Uninstall specific “PackageName” rpm -e PackageName
 Report the size of directory tree  du -hs
Finding some content in file #1 find / -name *.xml | xargs grep ATF:C *find / -name *.xml | xargs grep ATF:C *
Finding some content in file #2 find / -name *.xml | xargs grep ATF:C *

Free courses from Pluralsight

Example in this week we have:
“AWS Certified DevOps Engineer: Monitoring, Metrics, and Logging”