DevOps之四 Jenkins的安装与配置
CentOS 上 Jenkins 安装一、添加yum repos，然后安装
sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/RedHat/jenkins.repo
sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key
sudo yum install jenkins
二、Jenkins的安装目录
cd /var/lib/jenkins/
三、jenkins配置文件
Jenkins的默认端口是8080如果被占用可以在这里修改
vi /etc/sysconfig/jenkins
## Type: integer(0:65535)
## Default:
8080
## ServiceRestart: jenkins
#
# Port Jenkins
is listening on.
# Set to
-1 to disable
#
JENKINS_PORT
="8081"
备注：端口最好使用1024 以上的端口，不然会报：无权限错误
四、修改Jenkins的JDK路径
vi /etc/init.d/jenkins
添加自己的jdk路径
# Search usable Java as /usr/bin/java might not point to minimal version required by Jenkins.
# see http:
//www.nabble.com/guinea-pigs-wanted-----Hudson-RPM-for-RedHat-Linux-td25673707.html
candidates="
/etc/alternatives/java
/usr/lib/jvm/java-1.8.0/bin/java
/usr/lib/jvm/jre-1.8.0/bin/java
/usr/lib/jvm/java-1.7.0/bin/java
/usr/lib/jvm/jre-1.7.0/bin/java
/usr/bin/java
/usr/java/jdk1.8.0_121/bin/java
/usr/java/jdk1.8.0_121/jre/bin/java
"
五、启动Jenkins
systemctl start jenkins
这时候会报错误：Warning: jenkins.service changed on disk. Run 'systemctl daemon-reload' to> 解决方法：
systemctl daemon-reload
六、如果服务启动查看日志
cat/var/log/jenkins/jenkins.log
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