Author Archives: Gkhan

Windows update issues

Windows update issues 1- System Update Readiness Tool  2-How To Fix A Stuck Windows Update 3-To obtain a list of installed patches wmic qfe list 4-To uninstall a listed patch wusa /uninstall /kb:<kbnumber> 5-From a remote computer  (http://support.microsoft.com/kb/934307) wmic /node:SRVNAME process … Continue reading

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How to install FTP server on CentOS

How to install FTP server on CentOS #yum install vsftpd #chkconfig vsftpd on #service vsftpd start #nano /etc/vsftpd/vsftpd.conf       (uncomment the following) anonymous_enable=NO   (disallow anonymous login) ascii_upload_enable=YES ascii_download_enable=YES ftpd_banner=Welcome to DATACENTER FTP service.

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How to create NFS Share on Linux for VMware LAB

How to create NFS Share on Linux for VMware LAB I am using centos 5.5 Linux to create NFS share to map on VMware Datastores. 1- Create one directory to share  # mkdir /NAS 2- Give Read Write permission to … Continue reading

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Cisco Validated Designs Guides

Cisco Validated Design (CVD) Guides are comprehensive, design and implementation guides. The validated systems and solutions have undergone thorough architectural design development and lab testing, and provide guidance for the introduction of new technologies, emerging architectures, or the enhancement of … Continue reading

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How to reset Centos Linux Password

Reboot the linux 1-Press esc to intruppet boot loader 2-Press e to edit boot loader to load linux Kernal in single mode 3-add s at the end of  of the line and press ENTER kernel /vmlinuz-2.6.18-194.el5PAE ro root=/dev/VolGroup00/LogVol00 s 3-Press b … Continue reading

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Unable to find users in lync server

I was trying to enable users in Microsoft Lync server.I was unable to find some active directory users in Microsoft Lync server.My configuration was proper.I was able to find users but not all users. At the end i find there … Continue reading

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Troubleshooting Microsoft Network Load Balancing Clusters

Troubleshooting Microsoft Network Load Balancing Clusters This section lists some common issues that you might encounter when using Network Load Balancing (NLB) clusters http://technet.microsoft.com/en-us/library/cc732592.aspx Network Load Balancing (NLB) Survival Guide http://social.technet.microsoft.com/wiki/contents/articles/7329.network-load-balancing-nlb-survival-guide.aspx

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Operating System Version

Operating System Version The GetVersionEx function retrieves the major and minor version numbers and other information about the currently running version of the operating system. The VerifyVersionInfo function enables you to determine whether the current system satisfies a specified set of operating system version … Continue reading

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Registering or adding a virtual machine on vCenter Server/VirtualCenter or an ESX/ESXi host

Registering or adding a virtual machine on vCenter Server/VirtualCenter or an ESX/ESXi host You can register a virtual machine in vCenter Server/VirtualCenter or from a command line. To register a virtual machine in vCenter Server: Open the vSphere/VMware Infrastructure (VI) Client and log in … Continue reading

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