部署java环境
jdk下载
安装
rpm -ivh jdk-16_linux-x64_bin.rpm

环境变量配置
vim /etc/profile # 添加环境变量 export JAVA_HOME=/usr/java/jdk-16 export PATH=$PATH:$JAVA_HOME/bin export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export JRE_HOME=$JAVA_HOME/jre
rpm安装的jdk的卸载
#先查询有哪些jdk rpm -qa|grep jdk #卸载 rpm -e --nodeps jdk-16-16-ga.x86_64

安装jdk-1.8,无需修改环境变量
yum install -y java-1.8.0-openjdk-devel.x86_64
yum安装jenkins
wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
导入jenkins公钥
rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
安装
yum install -y jenkins
配置文件目录
/usr/lib/jenkins/ #jenkins安装目录,WAR包会放在这里。 /etc/sysconfig/jenkins #jenkins配置文件 /var/lib/jenkins/ #默认的JENKINS_HOME。 /var/log/jenkins/jenkins.log #日志文件
jenkins安装目录查询:rpm -ql jenkins
[root@test java]# rpm -ql jenkins /etc/init.d/jenkins /etc/logrotate.d/jenkins /etc/sysconfig/jenkins /usr/lib/jenkins /usr/lib/jenkins/jenkins.war /usr/sbin/rcjenkins /var/cache/jenkins /var/lib/jenkins /var/log/jenkins [root@test java]#
启动jenkins
systemctl start jenkins systemctl status jenkins

插件下载源更换
Dashboard——插件管理——高级——升级站点
#jenkins插件默认下载站点 https://updates.jenkins.io/update-center.json #清华源 https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

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