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Convert RHEL 6.2 to CentOS 6.x
# yum clean all # rpm -e subscription-manager # mkdir /root/centos # cd /root/centos # wget http://mirror.centos.org/centos/6.3/os/x86_64/RPM-GPG-KEY-CentOS-6 # wget http://mirror.centos.org/centos/6.3/os/x86_64/Packages/centos-release-6-3.el6.centos.9.x86_64.rpm # wget http://mirror.centos.org/centos/6.3/os/x86_64/Packages/yum-3.2.29-30.el6.centos.noarch.rpm # wget http://mirror.centos.org/centos/6.3/os/x86_64/Packages/yum-utils-1.1.30-14.el6.noarch.rpm # wget http://mirror.centos.org/centos/6.3/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-14.el6.noarch.rpm # rpm –import RPM-GPG-KEY-CentOS-6 # rpm -e –nodeps redhat-release-server # rpm -e yum-rhn-plugin rhn-setup rhn-check rhn-setup-gnome rhnsd (if this is not removing you can do yum […]
Posted in: Tech News
If you lose your Data you lost your Business !
March 21, 2013
Backups are the first stage to keep your business at safe side. If you lose your Data you lost your Business. It is the Insurance policy for your company. Think if you never leave insurance policy for your brand new car then why keeping the business at risk ! In this Blog we will discuss […]
Posted in: Veritas Netbackup Server
On ESXi I am not able to utilize whole LUN space from DataStore
January 8, 2013
Environment SAN = Virtual iSCSI SAN (tgt) OS = Windows Platform Problem I created a 500GB LUN on my Virtual iSCSI SAN. Add this Storage on ESXi Server. Created a DataStore. Tried to add that Storage Space in Virtual Machine. But I was only able to create a 256GB Hard Disk. Workaround which worked for […]
Posted in: Tech News
My Experience with passthru state of Replicated Volume Group/RVG
December 24, 2012
Recently I had experienced that one of my client was facing the RVG state is in passthru state means “A SAN disk that was part of an SRL volume started logging I/O errors on the host and VVR went into pass thru mode” “”More Details of Problem”" As far as FAILING disks are concern, sometimes […]
Posted in: Tech News
Howto configure Postoffline trigger under Veritas Cluster Server
November 26, 2012
- My Lab Environment OS = rhel 6.2 SFHA = 6.0 - Introduction to SSMTP utility: SSMTP is a program to deliver an email from a local computer to a configured mailhost (mailhub)/gmail. One of its primary uses is for forwarding automated email (like system alerts) off your machine and to an external email address. […]
Posted in: SFHA / VCS
Howto run Application on Windows which installed on Linux
November 23, 2012
Environment Windows XP with Service Pack3 Linux 4.1 Agenda We want to run vmplayer on Windows XP machine which(vmplayer) is installed on a Linux Red Hat Enterprise machine. - We need to have putty software which we can find very easily when we do google. - We need x-server on Windows XP machine which help […]
Posted in: Tech News
Vyatta lost the restored data after reboot
September 15, 2012
Environment #show version Version: VC6.1-2010.08.20 Description: Vyatta Core 6.1 2010.08.20 We backed up vyatta config.boot file via the below command $ configure # save FileName The config.boot file data saved under FileName file suppose this vyatta machine’s hard disk crashed after few days. we created a new vyatta installation on the same machine with […]
Posted in: Linux
April 17, 2013
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