Postfix Flush the Mail Queue

admin/ June 6, 2017/ Linux/ 0 comments

Postfix Flush the Mail Queue   Use the “sendmail -q” command to flush mail queue under Sendmail MTA. Under Postfix MTA   $ sudo postfix flush OR $sudo postfix -f To see the entire mail queue use the below command. mailq To remove all mail from the queue, use the below command: $ postsuper -d ALL To remove all mails

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Public cloud services to OpenStack services

admin/ June 6, 2017/ Linux/ 0 comments

Public cloud providers offer managed services that application developers might leverage in their applications. When moving applications from a public to an OpenStack private cloud, a common scenario, be sure to understand the dependencies and map them to equivalent OpenStack services   Service OpenStack Project Amazon Web Services Microsoft Azure Google Cloud Platform Virtual servers Nova EC2 Virtual Machines Compute

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Docker build own Image using Bitrise CI/CD tool

admin/ April 24, 2017/ Docker, Linux/ 0 comments

Docker build own Image using Bitrise CI/CD tool You need three account to automate the Docker image build process. 1. Github (https://github.com) or Bitbucket (https://bitbucket.org) 2. Dockerhub (https://hub.docker.com) 3. Bitrise (https://www.bitrise.io) 1. Github/Bitbucket SignUp or Login in the Github/Bitbucket. Create an repository. Configure the Github/Bitbucket on you local system. Step 1: Create a directory and configure as below. mkdir FirstRepo

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How to save and load docker image?

admin/ April 23, 2017/ Docker, Linux/ 0 comments

How to save docker image on your local disk ? To save the docker images, we need to use docker save the docker images.   To check available docker images on the system. $ docker images Example Output-: To save the docker image. $ docker save <ImageName or ImageID > filename.tar $ docker save –output filename.tar <ImageName or ImageID> Example-:

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Docker-best-tutorial

admin/ April 22, 2017/ Docker, Linux/ 0 comments

What is Docker? Docker is the secret weapon of developers and IT ops teams everywhere, allowing them to build, ship, test, and deploy apps automatically, securely, and portable with no surprises. What is Docker Container? A container image is a lightweight, stand-alone, executable package of a piece of software that includes everything needed to run it: code, runtime, system tools,

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docker alpine image for ssh

admin/ April 22, 2017/ Docker, Linux/ 0 comments

alpine-ssh A minimal Docker image based on Alpine Linux with a complete package index and only 5 MB in size! I have prepared this Dockerfile to enable SSH on the alpine docker container. That is completely working good. The above Dockerfile has root enabled in the ssh server as well as run ssh on the time of docker container creation.

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Install Subversion and WebSVN on Docker

admin/ March 28, 2017/ Docker, Linux/ 1 comments

Use Apache Subversion (SVN) and websvn Using Docker. Apache Subversion (often abbreviated SVN, after its command name svn) is a software versioning and revision control system distributed as open source under the Apache License. Software developers useSubversion to maintain current and historical versions of files such as source code, web pages, and documentation.   This is very simple to use

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Install Magento2 using docker

admin/ March 20, 2017/ Docker, Linux, Magento2/ 0 comments

Install Magento2 on Docker Containers. Now its time to install the Magento 2.x or Magento1.x as you want. You can put your code, import your database and set URL. Enjoy your Magento instance. Yes, Now we come to docker. Install docker and docker-compose on your Linux machine enjoy your docker instance with few commands. It is really very easy. How

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Docker Supervisor tutorial

admin/ March 15, 2017/ Docker, Linux/ 0 comments

Why Supervisor with Docker ? Generally a Docker container starts with a single process when it is launched, for example an Apache daemon or a SSH server daemon. Often though you want to run more than one process in a container. There are a number of ways you can achieve this ranging from using a simple Bash script as the value

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install different nodejs version

admin/ February 2, 2017/ Linux/ 0 comments

sudo apt-get install curl For Node.js v4 curl -sL https://deb.nodesource.com/setup_4.x | sudo -E bash – sudo apt-get install -y nodejs Alternatively, for Node.js v5: curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash – sudo apt-get install -y nodejs UPDATE Node.js v6: curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash – sudo apt-get install -y nodejs UPDATE Node.js v7: curl -sL https://deb.nodesource.com/setup_7.x |

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