Gkhan Windows 2012 server spinning circle after reboot on ESXi 5.0 I was trying to install windows 2012 on Esxi 5.0 as normal procedure by choosing OS type Microsoft Windows 2012 server 64 bit . Virtual machine booted and start installation. First phase was finish successfully and rebooted . when machine came up it was showing … Read more
Windows 2012 Server Network Disconnection issue
I have installed Windows 2012 Server on VMWare ESX Server .Server was not being used it was idle
I getting issue as Network was being disconnected .Network was going to sleep mode .
To disable the Network sleep mode .
1- Go to device manager
How to get RDM list in your VMware infrastructure.
Some time we require information about our virtual machines connected to which RDM .Below are the usefull powershell script to generate a csv report .
VMName: (Display) name of the VM that has the RDM attached to it
GuestDevName: The name of the disk in the VM’s hardware configuration (e.g. “Hard disk 2”)
GuestDevID: The SCSI controller and device ID of the disk in the VM’s configuration (e.g. “scsi0:1”)
VMHost: The ESXi host that runs the VM
HDFileName: The location and name of the RDM mapping file
HDMode: whether the RDM is in virtual or physical compatibility mode
HDSize: the size of the RDM
RuntimeName: The runtime name of the host’s LUN that represents the RDM (e.g. “vmhba1:C0:T2:L61”)
CanonicalName: Its canonical name (naaid)
How to get WWN of all your ESXi Servers from Power CLI
Some time require to know our ESXi servers WWN information for your record if you are having Cisco UCS or you are coordinating with Storage Administrator .That time you require WWN to MAP new LUN or RDM or MDS Switch Zoaning.
I got a script and tested it working fine . Its gives you Cluster Name Host Name HBA and WWN .
How to install vos3000 2.1.2.4 on centos
Vos3000 2.1.2.4 can be install on 32 bit or 64 bit Centos Linux.
Before Installation we will check the following.
1- Check Linux version and Kernel version
#cat /etc/redhat-release
#uname -m
If Linux kernel version is above 2.6x VOs3000 2.1.2.4 will not install.
How to troubleshoot SIP Connection using tcpdump
To check SIP connection through tcpdump use the following command
tcpdump -nqt -s 0 -A -i eth0 port 5060
where:
-n do not convert IP address to DNS names
-q be quite, print less output informations
-t do not print timestamps
-s capture number of bytes from a packet, 0 = default iptions which is max 65535, or simply a whole packet
-A prints each packet in ASCI
-vvv be very very verbose
-i use interface to capture on
port 5060 listen for traffic ort 5060 traffic for (source and destination)
output of command
The VMRC console has disconnected attempting to reconnect Some time on vmware console give us error “The VMRC console has disconnected attempting to reconnect” Try to kill Process vmware-vmrc.exe from task manager then open console again. Hope it will help.
VOS3000 Server quick Backup
If you want to take backup of VOS3000 Server without CDR for emergency .
just take a backup of all tables except CDR .
Below are the example:-
How to change VOS3000 admin client port
If you want to change vos3000 client default admin port . you can do it without changing anything on vos3000 server setting you need to just configure the iptables on server.
Below are the iptables command to change port no 7878
Cisco UCS Boot from SAN Windows 2008 Installation Error 0x80300001
Windows is unable to install to the selected location. Error:0x80300001
Windows cannot be installed to this disk. This computers’s hardware may not support booting to this disk. Ensure that the disk’s controller is enable in the computer’s BIOS menu.
This is a common Error while installing Windows 2008 server on Cisco UCS Blade Boot from SAN.