Recent Posts

May, 2015

  • 11 May

    How to Configure the networking on VMware ESXi 6.0 ?

    Once you have installed the VMware ESXi 6.0 using the interactive installer , You need to configure the network and set the hostname. By default, it takes the IP from DHCP and it sets the hostname as “localhost”. In this article ,we will see the post installation of VMware ESXi 6.0.  In the Enterprise setup, ESXi hosts will be managed …

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  • 8 May

    How to install VMware vSphere 6.0 ESXi

    In this article , we will see the installation of vSphere 6.0 VMware ESXi . There are multiple ways to install the ESXi. If you are planning to install less than 10 ESXi hosts, you can prefer the  typical interactive installation method. In this method, we need to boot the physical X86 server using the ESXi installer DVD and respond …

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  • 4 May

    VMware vSphere 6.0 vs vSphere 5.x – Difference

    In March 2015, VMware has released the much-awaited VMware vSphere 6.0 .  Is it completely different from the previous VMware releases vSphere 5.5 and vSphere 5.1 ? No.  The most of the features are remains same but there are lot of enhancement made on the existing features. For an example, VMware has brought lot improvements on the VM Fault tolerance in vSphere 6.0. …

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April, 2015

  • 30 April

    How to download support bundle from VCSA vCenter 6.0 ?

    This article is going to demonstrate that how to download the support bundle from VMware vCSA 6.0. If you raise the support case with VMware for vSphere environment , they will ask you to provide the support bundle of vCenter server in the first shot.  The support bundle normally includes the ESXi hosts configurations,  vCenter server configurations , logs and other diagnostic information. 1. …

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  • 28 April

    How to configure the firewall using firewall-cmd ?

    In the last article, we have opened the port (80) for http service using firewall-config graphical utility in Redhat Enterprise Linux  7.  As a Unix/Linux admin , would you prefer to use “GUI” over “command line” ? I don’t think so. Most of the Unix/Linux system administrators will go with the command line. firewall-cmd is a command line utility which interact …

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  • 28 April

    Playing with firewalld on RHEL 7

    The Linux kernel includes a powerful network filtering subsystem called netfilter.  The netfilter subsystem allows kernel modules to inspect every packet which are travelling to the system. Any incoming, outgoing and forwarded network packets cab e be inspected, modified ,dropped or rejected in a programmatic way ,before reaching to the user space. But these programs needs to be defined and …

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  • 26 April

    Are you in VM or Physical host ? RHEL -7

    The whole world is moving towards virtualization. Unless you maintain the inventory on CMDB , it is very difficult to find the server location and configuration. The hyper-visors like VMware vSphere, Microsoft Hyper-V,  Xen and KVM supports Linux as virtual machine. If you have the proper CMDB for the virtual machine, you can easily find the hyper-visor for the VM …

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  • 25 April

    Disk Partitioning – MBR vs GPT on RHEL -7

    Disk partitioning allows a hard-drive to be divided in to multiple logical partitions on Redhat Enterprise Linux.  The multiple partitions can be used to create filesystems and it can be mounted in different mount points. Most of the operating systems are still using the MBR partitioning scheme and it has dictated how disks should be partitioned on systems running BIOS firmware. …

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