How to fix: ping: unknown host ***.com

How to fix the issue if you see the message about the host is unknown when attempting to ping a domain name.

How to fix: Host key verification failed

When attempting to connect using SSH, the connection may be automatically rejected with the following error:

Host key verification failed

Connect to Raspberry Pi from a Mac using Ethernet

The Raspberry Pi is a great single board computer. However I don’t always want to hook up the Raspberry Pi to some screen and keyboard when working with it. I like to do everything using SSH which is enabled out of the box if you are using the Raspbian distribution. So just hook up it to your router and start hacking. But what if now you don’t have router and only have the Mac?

Horizontal Navigation Menu in Blogger

Navigation menu is an essential part of any blog or website. It helps visitors to easily get the required content the whole blog. I’ll show how to add the horizontal navigation double menu. In the left part which is Pages and in the right part is Labels (Category).

Putting two pictures side by side or creating gallery

When you have many images that you want to include in a blog post, it is important to place them compactly. This way, the reader won’t have to scroll down forever and ever to see your images. Here’s a simple solution to do that.