Centos 7 yum 安装 Jenkins
一 、安装新的JDK
1、下载JDK
地址：http://www.oracle.com/technetwork/java/javase/downloads/index.html
单机右键复制连接地址：
wget http://download.oracle.com/otn-pub/java/jdk/8u191-b12/2787e4a523244c269598db4e85c51e0c/jdk-8u191-linux-x64.tar.gz
mkdir -p /usr/java
mv jdk-8u191-linux-x64.tar.gz /usr.java
tar xvf jdk-8u191-linux-x64.tar.gz
vi /etc/profile
# set for java
export JAVA_HOME=/usr/java/jdk1.8.0_191
export CLASSPATH=$JAVA_HOME/lib/
export PATH=$PATH:$JAVA_HOME/bin
export PATH JAVA_HOME CLASSPATHsource /etc/profile
java -version
[root@c721v199 ~]# java -version
java version "1.8.0_191"
Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)[root@c721v199 ~]# wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
[root@c721v199 ~]# wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo
--2018-11-13 16:01:47-- http://pkg.jenkins-ci.org/redhat/jenkins.repo
Resolving pkg.jenkins-ci.org (pkg.jenkins-ci.org)... 52.202.51.185
Connecting to pkg.jenkins-ci.org (pkg.jenkins-ci.org)|52.202.51.185|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 71
Saving to: ‘/etc/yum.repos.d/jenkins.repo’
100%[====================================================================================================================================================================================================>] 71 --.-K/s in 0s
2018-11-13 16:01:48 (6.39 MB/s) - ‘/etc/yum.repos.d/jenkins.repo’ saved [71/71]
[root@c721v199 ~]# ls导入公钥：
[root@c721v199 ~]# rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key
安装jenkins：
[root@c721v199 ~]# yum install jenkins
[root@c721v199 ~]# yum install jenkins
Loaded plugins: fastestmirror
jenkins | 2.9 kB 00:00:00
jenkins/primary_db | 116 kB 00:00:01
Loading mirror speeds from cached hostfile
* base: mirrors.163.com
* extras: mirrors.aliyun.com
* updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package jenkins.noarch 0:2.151-1.1 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================================================================================================================================================================================
Package Arch Version Repository Size
==============================================================================================================================================================================================================================================
Installing:
jenkins noarch 2.151-1.1 jenkins 72 M
Transaction Summary
==============================================================================================================================================================================================================================================
Install 1 Package
Total download size: 72 M
Installed size: 72 M
Is this ok [y/d/N]: y
Downloading packages:
jenkins-2.151-1.1.noarch.rpm | 72 MB 00:00:09
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : jenkins-2.151-1.1.noarch 1/1
Verifying : jenkins-2.151-1.1.noarch 1/1
Installed:
jenkins.noarch 0:2.151-1.1
Complete!
[root@c721v199 ~]#[root@c721v199 ~]# vi /etc/sysconfig/jenkins
50 ## Default: 8080
51 ## ServiceRestart: jenkins
52 #
53 # Port Jenkins is listening on.
54 # Set to -1 to disable
55 #
56 JENKINS_PORT="8090"
57
58 ## Type: string
59 ## Default: ""
60 ## ServiceRestart: jenkins[root@c721v199 ~]# systemctl start jenkins
Job for jenkins.service failed because the control process exited with error code. See "systemctl status jenkins.service" and "journalctl -xe" for details.[root@c721v199 ~]# systemctl status jenkins
方法一：
[root@c721v199 ~]# echo $JAVA_HOME
/usr/java/jdk1.8.0_191
[root@c721v199 ~]# vi /etc/init.d/jenkins
注意：这里echo $JAVA_HOME 出来的路径，后面一定跟启动路径（/bin/java）
方法二：
[root@c721v199 ~]# ln -s /usr/java/jdk1.8.0_191/ /usr/bin/java
systemctl daemon-reload
systemctl restart jenkins
[root@c721v199 ~]# systemctl status jenkins
● jenkins.service - LSB: Jenkins Automation Server
Loaded: loaded (/etc/rc.d/init.d/jenkins; bad; vendor preset: disabled)
Active: active (running) since Wed 2018-11-14 10:23:31 CST; 2s ago
Docs: man:systemd-sysv-generator(8)
Process: 7251 ExecStop=/etc/rc.d/init.d/jenkins stop (code=exited, status=0/SUCCESS)
Process: 7353 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=0/SUCCESS)
CGroup: /system.slice/jenkins.service
└─7377 /usr/java/jdk1.8.0_191/bin/java -Dcom.sun.akuma.Daemon=daemonized -Djava.awt.headless=true -DJENKINS_HOME=/var/lib/jenkins -jar /usr/lib/jenkins/jenkins.war --logfile=/var/log/jenkins/jenkins.log --webroot=/var/cache/...
Nov 14 10:23:30 c721v199 systemd[1]: Starting LSB: Jenkins Automation Server...
Nov 14 10:23:30 c721v199 runuser[7358]: pam_unix(runuser:session): session opened for user jenkins by (uid=0)
Nov 14 10:23:31 c721v199 jenkins[7353]: Starting Jenkins [ OK ]
Nov 14 10:23:31 c721v199 systemd[1]: Started LSB: Jenkins Automation Server.[root@c721v199 ~]# netstat -ntlp
[root@c721v199 ~]# firewall-cmd --state
running
[root@c721v199 ~]# firewall-cmd --add-port=8089/tcp
success
[root@c721v199 ~]# firewall-cmd --reload
success关闭防火墙
[root@c721v199 ~]# systemctl stop firewalld.service
[root@c721v199 ~]# systemctl disable firewalld.service
访问：
http://192.168.21.199:8089/
彻底卸载：
[root@c721v199 ~]# rpm -e jenkins
warning: /etc/sysconfig/jenkins saved as /etc/sysconfig/jenkins.rpmsave
warning: /etc/init.d/jenkins saved as /etc/init.d/jenkins.rpmsave
[root@c721v199 ~]# systemctl stop jenkins
Failed to stop jenkins.service: Access denied
See system logs and 'systemctl status jenkins.service' for details.
Failed to get load state of jenkins.service: Access denied
[root@c721v199 ~]# rpm -ql jenkins
package jenkins is not installed
[root@c721v199 ~]# find / -iname jenkins | xargs -n 1000 rm -rf
[root@c721v199 ~]#