How to update Firmware on Cisco UCS Blades and UCS manager 2.0 to 2.1

Posted on September 18, 2013 by Gkhan

I have update the Firmware of Cisco UCS B Series Blades and UCS Manager .

I followed the steps from Cisco Guide . I went through the manual update from Page No 16 after downloading the Firmware . Continue reading →

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Unable to find network card in CentOS 6

Posted on September 12, 2013 by Gkhan

Some time we are unable to find network information on ifcfg command or network connection does not work after cloning.

To see all interfaces   ifcfg -a

To force CentOS 6 to re-detect network interfaces

Delete the MAC Address from ifcfg-eth0 file Continue reading →

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How to check disk uses on Linux

Posted on September 12, 2013 by Gkhan

How to check disk uses on Linux

df command : Report file system disk space usage

du command : Estimate file space usage

Example :- Continue reading →

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CCIE Voice Evolves to CCIE Collaboration

Posted on September 11, 2013 by Gkhan

During this 10th anniversary year of the CCIE Voice certification, Cisco is pleased to announce the next generation of Expert-level IT skills training and assessment for telecom, unified communications, and video staff. CCIE Voice is evolving to become CCIE Collaboration, reflecting advances in networked collaboration solutions beyond simple audio phone calls. The new CCIE Collaboration certification will expand to include Cisco’s leading solutions for voice, video, IM, presence, and call centers. The CCIE Voice certification will be retired as of February 14, 2014. Continue reading →

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CCIE Collaboration Lab Equipment and Software List

Posted on September 11, 2013 by Gkhan

CCIE Collaboration Lab Equipment and Software List

Passing the lab exam requires a depth of understanding difficult to obtain without hands-on experience. Early in your preparation you should arrange access to equipment similar to that used on the exam

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How to encrease datastore with running VMs Datastore on SAN Storage

Posted on September 9, 2013 by Gkhan

How to encrease datastore with running VMs Datastore on SAN Storage

http://www.50mu.net/2013/07/09/live-vmware-datastore-expansion-with-running-vms/

 

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netstat command example

Posted on September 9, 2013 by Gkhan

netstat command example

Important command for TCP/IP ports status

1. List All Ports (both listening and non listening ports)

List all ports using netstat -a
# netstat -a | more
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 localhost:30037 *:* LISTEN
udp 0 0 *:bootpc *:*

Active UNIX domain sockets (servers and established)
Proto RefCnt Flags Type State I-Node Path
unix 2 [ ACC ] STREAM LISTENING 6135 /tmp/.X11-unix/X0
unix 2 [ ACC ] STREAM LISTENING 5140 /var/run/acpid.socket
List all tcp ports using netstat -at
# netstat -at
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 localhost:30037 *:* LISTEN
tcp 0 0 localhost:ipp *:* LISTEN
tcp 0 0 *:smtp *:* LISTEN
tcp6 0 0 localhost:ipp [::]:* LISTEN

Continue reading →

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VMware vsphere esxi vcenter server storage-guide

Posted on September 9, 2013 by Gkhan

VMware vsphere esxi vcenter server storage-guide

A quick guide about SAN Storage using VMware ESX servers.

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Maximums Configuration for VMware vSphere 5.1

Posted on September 9, 2013 by Gkhan

Maximums Configuration for VMware vSphere 5.1

When you select and configure your virtual and physical equipment, you must stay at or below the maximums supported by vSphere 5.1. The limits presented in the following tables represent tested, recommended limits, and they are fully supported by VMware.

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How to create CCIE RS Lab on GNS3

Posted on September 2, 2013 by Gkhan

How to create CCIE RS Lab on GNS3

1- Download GNS3 
2-Install GNS3 (How to install and configure GNS3)
3-Search Cisco IOS Image c3725-adventerprisek9-mz.124-15.T10.bin in google and download it. and copy the IOS file (c3725-adventerprisek9-mz.124-15.T10.bin)  to C:\IOS Folder.

Create below folders
C:\IOS
C:\GNS3CCIERS_LAB
C:\GNS3CCIERS_LAB\GNS_configs
C:\GNS3CCIERS_LAB\GNS_working  Continue reading →

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