April, 2015

A fatal error has been detected by the Java Runtime Environment – Problematic Frame libc.so

April 30, 2015 Jordansphere Ahsay

I use Ahsay to do a  file level backup on a Linux (Centos 6.6) machine. The scheduled backups suddenly started being missed.   The following error appeared when I ran the backup manually.   # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x0000003337e7f5bf, pid=2150, tid=140190110197504 # […]

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Add a Read-Only User to VCSA

April 27, 2015 Jordansphere VMware

Scenario: I wanted to add a user with read-only privileges to the vcenter server appliance in order to run the Dell D-Pack 1) Firstly SSH to the VCSA Then add the user jord-vcenter:~ # useradd delldpack Set a password for the user jord-vcenter:~ # passwd delldpack Changing password for delldpack. New UNIX password: BAD PASSWORD: is […]

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Hostname Configuration Error – cPanel DNS Only

April 14, 2015 Jordansphere Cpanel

One of our cPanel DNS Only servers was throwing up the below error: Hostname Configuration Error: ns9.jordansphere.co.uk Your WHM server is configured with IP address xxx.xxx.xxx.xxx and has a misconfigured hostname. This misconfiguration can cause some services on your server to not restart properly. The cause of your misconfiguration is:   WHM has detected a manual […]

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Script to Reset CBT on a Single VM in VMware

April 13, 2015 Jordansphere VMware

I wanted to reset CBT (Change Block Tracking) on a single VM to due to the VMware bug (KB2090639) which affects any VMs that have expanded disks over 128GB. Using this script over the manual option prevents the restart of the VM as the modification is performed online using a Power CLI script.   In the below example the […]

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Script to Output to CSV and Email Disk Sizes of VMs

April 13, 2015 Jordansphere VMware

I wanted to get a list of all disk sizes, insert this into a .csv file then email the file to a couple of recipients. Using Powershell, I wanted to get a list of all the production severs from a vCenter 5.5 server which were all located in a "Production" folder.      Add-PSSnapin VMware.VimAutomation.Core Connect-VIServer -Server […]

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