Scenario: Check the UUID of VMWare ESX host
System: VMWare ESX 5.5
Steps:
– Type below url to web browser.
https://[Esx HOST IP Address]/mob/?moid=ha-host&doPath=hardware.systemInfo
Example:
Reference:
http://www.techadre.com/content/howto-find-esx-server-uuid-aka-host-id
Scenario: Extend/Growing Logical Volume size for /opt on RHEL/CentOS.
System: CentOS/RHEL 6/7
Login as root then follow below steps:
1) Check free size in Volume Group (vgs). If still there free size then continue to step-2.
# vgs
[root@VTEST01 ~]# vgs
VG #PV #LV #SN Attr VSize VFree
VolGroup 2 7 0 wz--n- 59.50g 12.00g
[root@VIDHOLXDTESTAP01 ~]#
Scenario:
Added new 10GB VMware Hard Disk,create new Volume Group(Vgs),Create new LVM,format to ext4 and mount to /data
Steps in VMware vSphere:
– Right click on VM -> Select Edit Settings… -> Click Add... -> on Device Type select Hard Disk -> Click Next
– Select Create a new virtual disk -> Click Next
– Specify disk size (this scenario is 10GB), select default Thick Provision Lazy Zeroed then specify the disk location (default is Store with virtual machine) -> Click Next
– Specify Virtual Device Node (default for 2nd Hard disk will be SCSI (0:1), on Mode box leave blank -> Click Next
– Click Finish.
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I have experienced this issue when trying to log into cPanel could never get in and out caption “Your IP address has changed. Please log in again “.
Lately there are a lot of internet provider usernya reported experiencing such problems, which can not login cPanel and exit information that the IP connection is changed.
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