Rename Root Volume Group (VG) on Linux Server

This walk-through worked on a virtual server running RHEL 6.7 in a VMware environment. As I rebuilt an existing VMware guest that was being scheduled to go into production, I realized I did not rename the default volume group from vg_hostname to rootvg. You must be root user and it is extremely important to backup […]

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Disable IPv6 In CentOS 7

entOS Linux release 7.0.1406 (Core) Verify Centos Version cat /etc/centos-release I’ve discovered bugs in some install packages. One such package is Zimbra. To work around these bugs, IPv6 and associated dependencies need to be disabled. To disable IPv6 in a CentOS 7 installation, perform the following tasks: Task 1 Navigate to and create a file […]

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Zimbra 8.6 on Linux CentOS 7.0

Configure DNS Entries on your local DNS server Setup DNS A Record Ensure you have a Reverse lookup zone Setup MX Record Configure Host Settings Login as root user su root Install pre-requisites yum install wget make nc sudo sysstat libtool-ltdl glibc perl-core ntp unzip libaio Set hostname hostname mail.yourdomain.com Edit hostname file nano /etc/hostname […]

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