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This article mainly introduces how to install Jenkins in Linux. It is very detailed and has a certain reference value. Friends who are interested must finish it!

1. Prepare the java environment, jdk1.8

Check if java is installed, and if not, install java environment first: java-version

two。 Install Jenkins

Official website: https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions#InstallingJenkinson

(1) install the stable version

Sudo wget-O / etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.reposudo rpm-- import https://jenkins-ci.org/redhat/jenkins-ci.org.keysudo yum install jenkins

(2) install the latest version

Sudo wget-O / etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.reposudo rpm-- import https://jenkins-ci.org/redhat/jenkins-ci.org.keysudo yum install jenkins

(3) Select a version and wait for the installation to be completed

3. Configure Jenkins

Description: default installation directory

(1) / usr/lib/jenkins/:jenkins installation directory, where the WAR package will be placed.

(2) / etc/sysconfig/jenkins:jenkins configuration file, "Port", "JENKINS_HOME" and so on can be configured here.

(3) / var/lib/jenkins/: default JENKINS_HOME.

(4) / var/log/jenkins/jenkins.log:Jenkins log file.

(1) modify the default port number

Edit file: vim / etc/sysconfig/jenkins

Find JENKINS_PORT and change the default port number (8080) to 8081 here.

(2) modify jdk configuration

Edit file: vim / etc/init.d/jenkins

Find the java path where candidates added his own jdk on the first line

Note: linux command to view jdk installation path-- which java

(3) modify firewall configuration: choose a way to execute

(1) Open port 8081, and then restart the firewall:

Open port 8081: firewall-cmd-zone=public-add-port=8081/tcp-permanent

Restart the firewall: firewall-cmd-- reload

(2) disable the firewall: systemctl stop firewalld

4.Jenkins start / restart / stop command

Linux command line:

(1) start: service jenkins start

(2) restart: service jenkins restart

(3) stop: service jenkins stop

The browser goes to Jenkins

(1) Log in: http:// 's own IP:8081/

(2) disable: http:// 's own IP:8081/exit

(3) restart: http:// 's own IP:8081/restart

(4) reload: http:// 's own IP:8081/reload

5. Log in to Jenkins by browser

(1) unlock Jenkins:

Enter command: cat / var/lib/jenkins/secrets/initialAdminPassword

Copy the administrator password to the page input box: 92aa3b378394496fb9cd7f0c300

6. Install plug-ins according to your own needs

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

The above is all the contents of the article "how to install Jenkins in Linux". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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