Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Both ENTRYPOINT and CMD allow you to specify the startup command for an image. The main difference is we cannot override the ENTRYPOINT instruction by using command-line parameters to the docker run command.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now docker pause will pause the processes running inside the containerDocker unpause will unpause the processes which are paused

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Docker Engine:It is the main part of docker system. It follows client-server architecture.It is installed on host machine. It contains:1.Server: It is called as dockerd used to manage images containers network2.Rest API: used to instruct daemon3.CLI: where we run the docker commands Docker Client:when you run commandon CLI client sends to daemon which makes

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now FROM : To create a base image such as an operating system RUN: A RUN instruction is used to run specified commands. We can use multiple RUN instructions to run different commands. CMD: If we need to run a default command that executed for all the containers of the image. If we want to

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Docker exec command is used run a new process inside the container. Attach isn’t for running an extra thing in a container, it’s for attaching to the running process. Docker attach command is used to attaches to the process that runs in the container with PID. Docker exec is specifically for running new things in a

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Both docker stop and docker kill commands are stopped the container but docker stop command stops the process inside the container and safe. Docker kill command will kill the process inside the container and terminate the running container and unsafe exit for that container.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Docker pause command suspends all processes in the specified containers. Docker unpause command resumes the all suspended processes in the specified containes.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Components of docker are Docker engine Docker registry Docker image Docker container Docker engine Docker engine is a command-line and it is interact with docker daemon. When we run docker commands the instructions sends to the daemon and perform operation by other components. Docker registry Docker registry is a hosted service where the docker

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now How to submit assignment? Write Ansswer for the following questions and submit answer at BestDevOps.com as new post for each questions 1. Components of Docker and its Brief Summary 2. What is the differenet between docker pause and unpause? 3. What is the differenet between docker stop and kill? 4. What is the differenet

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Components of Docker and its Brief Summary: Docker Components : Docker Engine: Core part of the docker system. It consists following 3 components: Server: It is the docker daemon called dockerd. It can create and manage docker images. Containers, networks, etc. Rest API: It is used to instruct docker daemon what to do. Command Line

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Observability of a system is a property which determines how well the system’s availability, reliability and functionality can be understood using its metrics,logs,traces and events. A system’s observability helps SRE teams understand why a function is failing, or why the performance is degrading and also predict future events. Having observability of applications and systems

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now systemctl start datadog-agent systemctl stop datadog-agent systemctl restart datadog-agent systemctl status datadog-agent datadog-agent configcheck datadog-agent config datadog-agent health datadog-agent hostname datadog-agent version

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Start the Agent – systemctl start datadog-agentStop the Agent – systemctl stop datadog-agentRestart the Agent – systemctl restart datadog-agentStatus of the agent systemctl status datadog-agentPrint all configurations – datadog-agent configcheckRuntime configuration – datadog-agent configPrint the ggent health – datadog-agent healthPrint the hostname of Agent – datadog-agent hostnamePrint version – datadog-agent versionHelp about any command

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Observability is proactively collecting, visualizing, and applying intelligence to all of our metrics, events, logs so that we can understand the behavior of our complex system. Also we can find what has caused the failures & anticipate future by predicting logs.

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now datadog-agent version : To know the current version of the Datadog agent running on the system. 2. datadog-agent status: To know the current status of the datadog agent installed on the system. 3. datadog-agent health: To run the health-check on the datadog agent. 4. datadog agent hostname: To know the hostname on which the

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Observability means to understand what’s happening across all the components of an application and using it to detect and resolve issues keeping the systems reliable and efficient. As the application architecture is getting complex day by day, it would be difficult for the SRE/OPS team to have a proper monitoring/ failure detection setup for

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now What is Devops? Devops is cultural practice to remove barrier between development team and operation team in order to increase efficiency of development, delivery and maintenance. What Exactly Devops do? Main responsibility of Devops is to reduce the release cycle using automation, architecting devops infrastructure and brings better visibility of the system behavior and

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Python Introduction Python Tutorials: Introduction to Python Python Tutorials: Installing Python 3 on Linux, Centos, Ubuntu & Windows Python Tutorials: How to use pip command to Python3.x instead of Python2.7? Python Tutorials: What is Python and How it works? An Overview and Its Use Cases Python Tutorials: Use cases in real life explained with