Jenkins Install on CentOS 7

1. Jenkins repository setting

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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

 

# Individual Package Downloads

wget https://pkg.jenkins.io/redhat-stable/jenkins-2.89.4-1.1.noarch.rpm

https://pkg.jenkins.io/redhat-stable/

 

2. Java Install

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yum list java*jdk-devel

yum install java-1.8.0-openjdk-devel.x86_64

 

ls -l /usr/bin/javac

/usr/bin/javac -> /etc/alternatives/javac

ls -l /etc/alternatives/javac

/etc/alternatives/javac -> /usr/lib/jvm/java-1.8.0/bin/javac

 

alternatives --config java

alternatives --config javac

java -version

 

# Set JAVA_HOME environment variable.

echo "export JAVA_HOME=/usr/lib/jvm/java-1.8.0" >> ~/.bashrc

echo "PATH=$PATH:$JAVA_HOME/bin:$HOME/bin" >> ~/.bashrc

echo "export PATH" >> ~/.bashrc

 

source ~/.bashrc

env | grep JAVA

JAVA_HOME=/usr/lib/jvm/java-1.8.0

 

 

3. Jenkins Install

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1) yum update

#yum upgrade

yum clean all;yum repolist

 

2) install jenkins

yum install jenkins

off line)

wget https://pkg.jenkins.io/redhat-stable/jenkins-2.89.4-1.1.noarch.rpm

yum install jenkins-2.234-1.1.noarch.rpm

 

3) jenkins setting

# vim /etc/sysconfig/jenkins

JENKINS_PORT="8080"

JENKINS_ARGS="-Xmx2048m"

 

# vim /etc/rc.d/init.d/jenkins

candidates="

/usr/lib/jvm/java-1.8.0/bin/java

"

 

4) firewall setting

firewall-cmd --permanent --add-service=http

firewall-cmd --permanent --add-service=https

firewall-cmd --permanent --zone=public --add-port=8080/tcp

firewall-cmd --permanent --zone=public --add-port=80/tcp

firewall-cmd --permanent --zone=public --add-port=443/tcp

firewall-cmd --permanent --zone=public --add-port=22/tcp

firewall-cmd --reload

--------------------------------------

YOURPORT=8080

PERM="--permanent"

SERV="$PERM --service=jenkins"

 

firewall-cmd $PERM --new-service=jenkins

firewall-cmd $SERV --set-short="Jenkins ports"

firewall-cmd $SERV --set-description="Jenkins port exceptions"

firewall-cmd $SERV --add-port=$YOURPORT/tcp

firewall-cmd $PERM --add-service=jenkins

firewall-cmd --zone=public --add-service=http --permanent

firewall-cmd --reload

 

firewall-cmd --list-all

firewall-cmd --zone=public --list-all

 

4. start jenkins

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1) start jenkins

systemctl enable jenkins

systemctl start jenkins

chkconfig jenkins on

systemctl status jenkins

 

2) jenkins console

http://$ip:8080/

cat /var/lib/jenkins/secrets/initialAdminPassword

 

3) jenkins 설정 파일

/var/lib/jenkins

/etc/default/jenkins

/etc/init.d/jenkins

 

※ administrator password

/var/lib/jenkins/home/secrets/initialAdminPassword

 

● To change attributes of the service

svccfg -s svc:/network/http:jenkins editprop

svcadm refresh svc:/network/http:jenkins

 

/lib/svc/manifest/network/jenkins-standalone.xml

 

1. jenkins log

tail -f /var/log/jenkins/jenkins.log

 

※ consult the log

/var/svc/log/network-http:jenkins.log

 

5. git, maven install

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1) git install

yum install git

git --version

 

2) maven install

# yum install maven

#readlink -f /usr/bin/mvn /usr/share/maven/bin/mvn

 

wget http://apache.tt.co.kr/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz

tar -xvzf apache-maven-3.6.3-bin.tar.gz -C /opt

ln -s /opt/apache-maven-3.6.3 /opt/maven

 

# vim /etc/profile.d/maven.sh

export JAVA_HOME=/usr/lib/jvm/java-1.8.0

export M2_HOME=/opt/maven

export MAVEN_HOME=/opt/maven

export PATH=${M2_HOME}/bin:${PATH}

 

chmod +x /etc/profile.d/maven.sh

source /etc/profile.d/maven.sh

mvn --version (mvn -v)

 

#yum -y install wget git net-tools bind-utils iptables-services bridge-utils bash-completion kexec-tools sos psacct vim

 

6. gradle install

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https://gradle.org/releases/

wget https://services.gradle.org/distributions/gradle-6.5-bin.zip

 

unzip -d /opt gradle-6.5-bin.zip

ln -s /opt/gradle-6.5 /opt/gradle

 

# Set gradle PATH environment

echo "PATH=$PATH:/opt/gradle/bin:$HOME/bin" >> ~/.bashrc

echo "export PATH" >> ~/.bashrc

source ~/.bashrc

 

gradle -v

 

 

https://pkg.jenkins.io/redhat-stable/

http://mirrors.jenkins-ci.org/redhat/

https://www.jenkins.io/doc/book/installing/