Install Ruby 2.3.1 or any other version on Centos

1. Installing Recommended Packages

There are few developemnt libraries required to run Ruby on Linux. Use following command to install recommended packages on your server using yum.


# yum install gcc-c++ patch readline readline-devel zlib zlib-devel 
# yum install libyaml-devel libffi-devel openssl-devel make 
# yum install bzip2 autoconf automake libtool bison iconv-devel

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Upgrading to VMware Virtual SAN 6.0

Last time I described how to build test environment for vSAN 5.5 on one physical server. Today I want try to update VMWare vSAN 5.5 to vSAN 6.0.  After that I will upgrade vSAN in Production.

So we have our test environment with nested esxi virtual hosts. We have updated hosts and vCenter to 6.0. And see notification on our vSAN cluster.

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Patch standalone esxi host to 6.0

With every new vmware esxi build you need to update your servers. It is very easy with Update Manager, but how to do it when there is standalone version of ESXi or one managed by vCenter server? It  can be patched very easy way via CLI and using SSH. Today we will try such process with  upgrade ESXi 5.5 to ESXi 6.0 in my home lab. In the future posts I will tell you about my home lab, but now lets start to upgrade standalone esxi server which is managed by vCenter living on this server. We need ESXi Offline Bundle ( file) for that. 

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