Jenkins is an open source automation server written in Java. It is used to automate all sorts of tasks such as building, testing, and deploying software.
Jenkins can be used to automate tasks such as:
- Building software - Running tests - Deploying software
To start Jenkins manually, you need to first install Java and then download the Jenkins war file. Once you have the war file, you can run it using the java -jar command.
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How do I start Jenkins manually?
If you need to start Jenkins manually, there are a few ways that you can do so. One option is to use the Windows Services panel. You can also use the Command Prompt or PowerShell.
If you are using the Windows Services panel, you will first need to find the name of the Jenkins service. Once you have found the service, you can select it and then click on the "Start" button.
If you are using the Command Prompt, you will need to enter the following command: java -jar jenkins.war. If you are using PowerShell, you will need to enter the following command: Start-Service jenkins.
Once you have started the Jenkins service, you can access it by going to http://localhost:8080 in your web browser.
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How do I start Jenkins from the command line?
Before we answer this question, it's worth noting that there are two main types of Jenkins installations: those that run in servlet containers such as Tomcat, and those that run standalone. If you're running Jenkins in a servlet container, then you'll need to consult the documentation for that container to determine how to start Jenkins. However, if you're running Jenkins standalone, then the steps below will show you how to start it from the command line.
Assuming you're running Jenkins standalone, the first thing you'll need to do is navigate to the directory where Jenkins is installed. Once you're in the correct directory, you can start Jenkins by running the following command:
java -jar jenkins.war
Once Jenkins has started, you'll see a message that says something like "Jenkins is fully up and running". At this point, you can access Jenkins by going to http://localhost:8080 in your web browser.
If you want to stop Jenkins, you can hit CTRL+C in the terminal where it's running.
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How do I start Jenkins on Windows?
Jenkins is a powerful automation tool that can help streamline your Windows development process. However, before you can start using Jenkins, you need to install and set it up on your Windows machine. In this article, we'll walk you through the process of installing and setting up Jenkins on a Windows machine.
1. Download and install Jenkins
Before you can start using Jenkins, you need to download and install it on your Windows machine. You can download the latest version of Jenkins from the official Jenkins website.
Once you have downloaded the Jenkins installer, double-click on it to start the installation process. Follow the on-screen instructions to complete the installation.
2. Configure Jenkins
After you have installed Jenkins, you need to configure it before you can start using it. The first thing you need to do is create a new Jenkins user. To do this, open the Jenkins dashboard and click on the 'Create User' link in the 'Security' section.
Enter the username and password for the new Jenkins user and click on the 'Create User' button.
Next, you need to configure the Jenkins security settings. To do this, click on the 'Configure Global Security' link in the 'Security' section.
In the 'Security Realm' section, select the 'Jenkins' own user database' option and enter the username and password for the Jenkins user you created in the previous step.
In the 'Authorization' section, select the 'Logged-in users can do anything' option.
Scroll down to the 'CSRF Protection' section and select the 'Enable Proxy Compatibility Mode' option.
Finally, click on the 'Save' button to save your changes.
3. Install the Jenkins plugins
Once you have configured Jenkins, you need to install the plugins that you want to use. To do this, open the Jenkins dashboard and click on the 'Manage Jenkins' link in the left-hand sidebar.
In the 'Manage Jenkins' page, click on the 'Manage Plugins' link.
In the 'Manage Plugins' page, select the 'Available' tab and select the plugins you want to install. To install a plugin, select the checkbox next to the plugin name and click on the 'Install' button.
4. Start using Jenkins
Once you have installed and configured
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How do I start Jenkins on Mac?
If you're using a Mac, you can easily install Jenkins using Homebrew. Homebrew is a package manager for MacOS that makes it easy to install and manage software on your computer. To install Jenkins with Homebrew, first you need to install Homebrew itself. You can do this by running the following command in your terminal:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Once Homebrew is installed, you can install Jenkins by running the following command:
brew install jenkins
Once Jenkins is installed, you can start it by running the following command:
jenkins
You can also start Jenkins from the command line by running the following command:
java -jar /usr/local/Cellar/jenkins/2.7.4/libexec/jenkins.war
If you're using a different operating system, you can find more detailed instructions for installing Jenkins on the Jenkins website.
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How do I start Jenkins on Linux?
Jenkins is an open source automation server written in Java. It is used to automate all sorts of tasks, such as building, testing, and deploying software.
Jenkins is a popular tool for performing continuous integration and delivery. It is a server-based application written in Java that can be used to automate all sorts of tasks, such as building, testing, and deploying software.
In this guide, we will show you how to install Jenkins on a Linux server running Ubuntu 18.04.
We will also show you how to configure a Jenkins job to launch a simple Linux shell script.
Jenkins is a popular open source tool to perform continuous integration and build automation.
With Jenkins, organizations can accelerate the software development process by automating it.
Additionally, Jenkins integrates seamlessly with a number of DevOps tools, making it an essential component of any modern DevOps toolchain.
This tutorial covers the basics of installing Jenkins on a Linux server running Ubuntu 18.04.
We will also show you how to create and configure a Jenkins job to run a simple Linux shell script.
Prerequisites
Before you begin this guide you'll need the following:
• Access to a Linux server with an account that has sudo or root privileges.
• A Linux shell script that you wish to run using Jenkins.
In this guide, we will be using a test script called test.sh. This script simply prints the string "Hello, world!" to the terminal.
• The latest version of the Java Runtime Environment (JRE) installed on your server.
This guide uses the Oracle OpenJDK version of Java. If you do not have the Oracle OpenJDK version of Java installed on your server, you can install it by following our How To Install Java on Ubuntu 18.04 guide.
Step 1: Installing Jenkins
The first step is to install Jenkins on your server.
Jenkins is available in the Ubuntu repositories, so we can use the apt package manager to install it.
We can update the local package index to make sure we have the latest versions of the packages available:
sudo apt update
Then, we can install Jenkins and its dependencies with the following command:
sudo apt install
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How do I start Jenkins as a daemon?
To start Jenkins as a daemon, run the command "java -jar jenkins.war --daemon". This will start the Jenkins process in the background and will output a PID file. If you want to start Jenkins on a specific port, you can add the "--httpPort" argument followed by the port number.
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How do I start Jenkins in debug mode?
In order to start Jenkins in debug mode, you will need to use the Java command line option -Xdebug. This will enable debugging for the Jenkins process. To do this, you will need to first launch Jenkins using the Java command line option. For example:
java -Xdebug -jar jenkins.war
This will start Jenkins and enable debug output. You can also specify a port for the debugger to attach to. By default, Jenkins will use port 5005. If you want to use a different port, you can specify it as follows:
java -Xdebug -Xrunjdwp:transport=dt_socket,address=5005,server=y,suspend=n -jar jenkins.war
The debugger will attach to the specified port and you will be able to debug the Jenkins process.
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How do I start Jenkins in safe mode?
There are a few ways to start Jenkins in safe mode:
1) Go to the Jenkins installation directory and run the jenkins.sh script with the --safe-mode option:
$ ./jenkins.sh --safe-mode
2) Go to the Jenkins web UI and click on the "Safe Mode" link in the left-hand navigation:
3) If you have access to the server where Jenkins is running, you can also start it in safe mode by passing the --safe-mode option to the java command that starts Jenkins:
$ java -Dhudson.model.Hudson.Mode=SAFE -jar jenkins.war
When Jenkins is started in safe mode, a number of features are disabled that could potentially cause problems. For example, Jenkins will not automatically scan for new plugins or load any plugins that are not located in the plugins directory. Additionally, Jenkins will not load any user-defined settings from the Jenkins Configuration Files (e.g. jenkins.xml).
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How do I start Jenkins from source?
Assuming you have a basic understanding of Java and web applications, here is how you can start Jenkins from source:
1. Download the latest source code from theJenkins website.
2. Unzip the file to a directory of your choice.
3. Open a command prompt and change to the directory where you unzipped the file.
4. Run the following command to start Jenkins:
java -jar jenkins.war
Jenkins will now be running on http://localhost:8080/. You can also run Jenkins on a different port by specifying the --httpPort option:
java -jar jenkins.war --httpPort=8081
5. To stop Jenkins, press CTRL+C in the command prompt where you started Jenkins.
Now that you have Jenkins up and running, you can start building your own Continuous Integration pipeline.
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Frequently Asked Questions
How do I restart Jenkins on Linux?
On Debian, Ubuntu, or Red Hat based systems, you can use the following commands to restart Jenkins: sudo service jenkins restart On Fedora, CentOS, or Oracle Linux systems, you can use the following command: sudo systemctl restart jenkins
What should I know in this Jenkins tutorial for beginners?
This Jenkins tutorial for beginners covers how to install Jenkins, create jobs, pipelines, integrate with GitHub and other tools.
How do I execute the saferestart command in Jenkins?
You can execute the safeRestart command using either the Jenkins Rest API ( [jenkins_url]/safeRestart) or you can execute the command via the Jenkins CLI. The general syntax is as follows (the design is similar to tools like svn/git): java -jar jenkins-cli.jar [-s JENKINS_URL] command [options...] [arguments...]
What is Jen Jenkins tutorial?
Jenkins is a free open-source project that helps developers automate their build and delivery processes. Jenkins can integrate with many different technologies to help you test, deploy and monitor your projects. This Jenkins tutorial will show you how to set up Jenkins and use it to build and deploy your projects.
What are some common applications of Jenkins?
In this Jenkins tutorial, we will be discussing the common applications of Jenkins. These include code coverage, transparency and accountability, and no broken code.
Sources
- https://blogmepost.com/12690/how-can-we-start-using-jenkins-from-the-command-line
- https://www.oreilly.com/library/view/hands-on-continuous-integration/9781789130485/5f1d3f8c-6ee0-499f-97ec-81b5feff6ff5.xhtml
- https://tudip.com/blog-post/configure-jenkins-job-to-run-batch-command/
- https://stackoverflow.com/questions/44881359/how-to-run-a-jenkins-build-from-command-line
- https://www.thelinuxfaq.com/681-how-do-we-use-bash-commands-on-jenkins-pipeline-script
- https://wiki.jenkins-ci.org/display/JENKINS/Starting-and-Accessing-Jenkins.html
- https://stackoverflow.com/questions/14869311/start-stop-and-restart-jenkins-service-on-windows
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