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 call create “powershell wusa /uninstall /kb:2639043 /quiet /norestart” 6- Remove an update Open Installed Updates by … Read more
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.
Where is root? or how to enable root login in Ubuntu
Ubuntu developers made a conscientious decision to disable the administrative root account by default
Sudo allows an authorized user to temporarily elevate their privileges
using their own password instead of having to know the password belonging to the root account.
This simple yet effective methodology provides accountability for all user actions, and gives the
administrator granular control over which actions a user can perform with said privileges.
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 create folders and files on share #chmod 755 /NAS
3-Allow or stop the firewall to share to be accessible on VMwware ESX servers. #service iptables stop or add a rule to allow NFS Share
4-insert the share entry in /etc/exports file
5-add a line “/share name hostname permission” for example /NAS 192.168.1.0/24(rw) 192.168.1.0 is my VMware Management Network range so my all ESX server will be able to access the NFS Share.
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 the customer’s network.
To qualify as a Cisco Validated Design Guide, the design must meet the following criteria:
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 to boot 4-Linux will boot in single mode 5-now change the password of the root … Read more
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 was office communicator server was installed before and i twas removed. but the users for … Read more
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
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 conditions. For more information, see the following topics: Getting the System Version Verifying the System … Read more
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 with appropriate credentials. If connecting to vCenter Server, click on the desired host. Click the Configuration tab. … Read more