server

How To Add VLANs AFTER a HyperFlex Installation

by

When you installed a HyperFlex Cluster, VLANs are created at the UCS-Manager and vSwitches of the nodes. But what if you just want to add VLANs to your environment ? How can you do that ? Add VLAN to existing HyperFlex Cluster Here you see some VLANs at the vSwitches of vCenter. And here are … Read more

Healing a Cisco Hyperflex HDD Failure

by

Is your Hyperflex system failing ? Powerpoints are nice selling tools, and I like to test all kinda things before I believe it ! So why not test a healthy Hyperflex System and remove a HDD ? When the system notice there is a HDD missing or corrupt, it will kick in self healing in … Read more

Top 5 : Why Cisco UCS Rack Server ?

by

Cisco UCS Rack servers are more than pizzaboxes ! The most common servers do have the same CPU (intel), common memory and common HDD or SDD. So why would you choose for Cisco UCS Rack servers ? Here are 5 reasons : 5: Automation Ofcourse you can configure the whole rack server manually, but why … Read more

Backup Raspberry Pi

by

Why Raspberry Pi ?

About a year ago I received an Raspberry Pi model 2b to learn programming. It’s a small “computer” with a lot of interfaces. Not only network, usb and also GPIO etc.

But instead I used the Raspberry Pi to track my solar panels with MRTG and I created a script that disabled my Access Points when nobody was at home. (To save energy. Why have your AP up and running when nobody is using it ?)

My Raspberry Pi Mode 2b
My Raspberry Pi Mode 2b

Samba server.

Because there were 4 USB connections at the RP, I connected my smart meter and an external HDD. The setup of a Samba server is very easy. A good link is : Samba-Deploying

But….. the network connection on the model 2b is only 100/10 mbit.. This is slooooowwwww !!! So I bought an 1000 mbit USB ethernet cable for Euro 1.83. Of course I can’t get the full 1000 mbit, but at least its fast !

 

Backup your Raspberry Pi

Read more

Raspberry Pi : Apache & Python Error 500

by

Raspberry Pi Apache Error I am trying to make some homemade domotica and I tested everything on my mac. That was working, but when I transfered everything to the Raspberry Pi, I had the server 500 error. Perl was working fine, but not the python scripts. I googled for an hour and didn’t see any … Read more