Putty is an SSH client that’s mostly used in Windows. Centos has an SSH client built in. Putty uses its own key format which is not compatible with OpenSSH’s key format. I will show you how to easily convert Putty’s format (mykey.ppk) to OpenSSH’s format (id_rsa) and conversely.
Configure NTP Client on CentOS
Today we need to install ntp server. Lets do it on Centos 6.6. The same process will be for Centos 7.
1. Install NTP Server
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.
Upgrade ESXi to 6.0 with VMware Update Manager
vSphere Update Manager is a software for upgrading, migrating, updating, and patching clustered hosts, virtual machines, and guest operating systems. Update Manager orchestrates host and virtual machine upgrades. If your site uses vCenter Server, VMware recommends that you use Update Manager.
Embedded VSAN Cluster
In the nearest future I am planing to update vSAN to 6.0 version on Production. The procedure is not trivial, so I want to try update on test lab. We need to build an entire embedded vsan environment.
Set coredump partition on esxi
After some manipulations described in this post you can receive this error
~ # esxcli system coredump partition list
no configured dump partition found; skipping
Just set coredump partition:
How to automatically start mysql on Centos 7
When I tried to make auto start for mysql on Centos 7 I just received such message:
How to add new local storage in Proxmox VE
Used Software:
Proxmox VE 3.4-1/3f2d890e
Need:
Extra added hard drives without partitions.
Installation:
SDA is the drive where the proxmox installation is running
SDB is the new drive that will be added to the proxmox.
Can’t remove datastore on esxi host
If you plan to remove a datastore from a host, you need to remove the coredump files before removing the datastore.
Chrome NPAPI Plugins re-enable
Google Chrome is phasing out support for NPAPI plugins in Chrome Version 42. So your Client Integration Plug-In in the vSphere Web Client stops working.
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