Solved: How to get out of Virtual box console window

You can easily get out of the virtual box machine console window by pressing the “ctrl” button on the right side of the keyboard. i.e. the “ctrl” button which is near the arrow keys.

Solved: docker – error during connect

 

sagu@sagu-pc MINGW64 ~

$ docker image ls

error during connect: Get http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.29/images/json: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is not running.

sagu@sagu-pc MINGW64 ~

If you are getting above error while running the docker commands in Docker Quickstart Terminal then you can have one of the listed problem.

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Solved: “Challenge request failed for domain” error while renewing the Lets encrypt SSL certificate

Many of you who already followed our post on how to enable free SSL on your website will know that we are using “WP encrypt” plugin to renew our Let’s Encrypt SSL certificates in every 90 days.

But after 90 days when it was time for renewal the plugin didn’t work as expected. And we got the below error even when we tried to regenerate the certificate manually.

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Solved: How to reset root password in Redhat Linux or CentOS

In this post we will discuss how to reset the root password of a Redhat linux server if you forgot it.

  • Reboot the server
  • While you are at boot menu press “Up or Down” arrow key to prevent system from booting.
  • Select the boot device and press “e” to edit it.(refer Image 1)

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