[4 Months Off] TeamTreehouse Discount Coupon and Review

I joined Treehouse to learn web development basics and WordPress so I could start a website like this. Teamtreehouse is one of the best online portals for learning programming and application development. Be it mobile development or web application development, treehouse got it covered using its fine-tuned courses on all the latest technologies. 4 Months […]

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I want to setup ssh authentication keys for my GitHub and Bitbucket account. So that I can commit to those repositories without username and password. How can I achieve this? Solution: You can setup a passwordless authentication to your repositories on Github and Bitbucket using ssh keys. Follow the steps given in this article carefully […]

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Issue: I have my Jenkins master and slave setup on AWS instance. I am build i have a maven deploy task to upload a large artifact to nexus. During which the upload is getting timed out and i am getting “Slave went offline during the build” error. How do i solve this issue. This issue […]

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I have an application running on port 8080. I want to check if the port is open and the application is successfully running on the port. How can i do this using ansible wait_for module? Check Application Status Using waif_for module There are two things, If a port is opened, it doesn’t mean your application […]

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I am trying to create a volume in Glusterfs and  I am getting an error saying “Volume creation Failed: gdata is already part of a volume”. How can i rectify this problem? Glusterfs: already part of a volume Error This error normally occurs when traces of metadata and configs are present it the brick you have created. […]

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Docker has many commands to remember. If you are starting up with docker, We are pretty sure that you will have a hard time remembering all those commands and to manage containers. In this article, we have explained the necessary command to make you more productive while working with docker. Docker Useful Hacks The following […]

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How do I install the latest mongoDB database server and components in Redhat 7 or a centos 7 box? There are no Mongodb packages available in the default yum repository. You need to add the mongoDb repository and then install and configure it. Follow the guide given below which has the steps for the same. […]

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How do I install latest ansible server on a Redhat or Centos 7 server? You can easily install the latest stable version of ansible in a Redhat or centos7 server using the EPEL repo. The default yum repo does have the ansible installation. Follow the steps for the ansible setup. You can install Ansible in […]

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Linux shell is an interactive mode to run the Linux commands. You can type commands in terminal using keyboard and you can run it using shell. Lets say , you want to automate some action on your Linux machine. In this case you cannot feed the terminal with commands one by one. So what you […]

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When you do an ssh to a remote server, you might see a welcome message with the OS name, Team name or the Company name. This can be configured to show our own welcome messages. Linux Welcome Message using motd The welcome message is called motd (message of the day). You can put custom messages […]

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By default vagrant mounts the host folder to /vagrant directory of the Virtual machine where you have the vagrantfile. This allows us to share files and codebase to the virtual machine without dealing with file transfer utilities or SCP command. But you might face error sometimes that it does not mount the host directory to […]

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You will need Docker remote API in various situations. Let’s say you are running the docker host on a remote server and you want to connect to it from your laptop. For this scenario, you can use the remote API and connect to it using REST API’s as the docker engine accepts REST requests. One […]

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