一、安裝git

yum install git

二、安裝Jenkins

　　1.命令安裝

sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
yum install jenkins

　　2.下載後安裝

wget https://pkg.jenkins.io/redhat/jenkins-2.156-1.1.noarch.rpm
rpm -ivh jenkins-2.156
 
-1.1.noarch.rpm

三、配置許可權、使用者和埠

vim /etc/sysconfig/jenkins

#配置埠
JENKINS_PORT="8080"

#配置使用者
$JENKINS_USER="root"

# 修改許可權
chown -R root:root /var/lib/jenkins 
chown -R root:root /var/cache/jenkins 
chown -R root:root /var/log/jenkins

四、重啟

# 重啟
service jenkins restart
ps -ef | grep jenkins

#啟動
systemctl start jenkins
 

五、進入介面繼續安裝

　　1.輸入密碼

#執行命令檢視密碼
cat /var/lib/jenkins/secrets/initialAdminPassword

　　2.安裝推薦外掛

　　3.等待安裝

　　4.建立管理員賬號和密碼

　　5.完成安裝

六、解除安裝Jenkins

systemctl stop jenkins.service

yum remove jenkins

rm -rf /etc/sysconfig/jenkins.rpmsave
rm -rf /var/cache/jenkins/
rm -rf /var/lib/jenkins/
rm -rf /var/log/jenkins
 
rm -rf /usr/lib/jenkins