Automated CI/CD Setup with Jenkins, JDK, Maven, Git, and Docker on CentOS 7
Install OpenJDK 21
Download the JDK binary:
wget https://mirrors.huaweicloud.com/openjdk/21/openjdk-21_linux-x64_bin.tar.gz
Extract and relocate to /usr/local:
sudo tar -xzf openjdk-21_linux-x64_bin.tar.gz -C /usr/local/
ls /usr/local/jdk-21/
Update system-wide environment variables by editing /etc/profile:
export JAVA_HOME=/usr/local/jdk-2 ...
Posted on Sat, 13 Jun 2026 17:46:21 +0000 by kirannalla
Setting Up a Java Development Environment on CentOS 7 with OpenJDK
Install OpenJDK
Check for any pre-installed Java packages:
rpm -qa | grep -E 'java|jdk|gcj'
If found, remove them forcefully:
rpm -qa | grep java | xargs sudo rpm -e --nodeps
List available OpenJDK 8 packages in the yum repository:
yum list java-1.8*
Install OpenJDK 8:
sudo yum install java-1.8.0-openjdk -y
Set environment variables by edit ...
Posted on Sat, 09 May 2026 14:14:32 +0000 by fearfx