查看所有版本
yum list java-*-openjdk
安装1.8版本
yum install java-1.8.0-openjdk.x86_64
安装所有版本
yum install java-*-openjdk-devel*
yum install java-*-openjdk
yum install java-*-openjdk-plugin
查看版本
java -version
javac -version
修改源地址
阿里云源地址
cd /etc/yum.repos.d/
mv fedora.repo fedora.repo.backup
mv fedora-updates.repo fedora-updates.repo.backup
sudo wget -O /etc/yum.repos.d/fedora.repo http://mirrors.aliyun.com/repo/fedora.repo
sudo wget -O /etc/yum.repos.d/fedora-updates.repo http://mirrors.aliyun.com/repo/fedora-updates.repo
dnf clean all
dnf makecache
网易源地址
cd /etc/yum.repos.d/
mv fedora.repo fedora.repo.backup
mv fedora-updates.repo fedora-updates.repo.backup
sudo wget -O /etc/yum.repos.d/fedora.repo http://mirrors.163.com/.help/fedora-163.repo
sudo wget -O /etc/yum.repos.d/fedora-updates.repo http://mirrors.163.com/.help/fedora-updates-163.repo
dnf clean all
dnf makecache
http://mirrors.163.com/.help/fedora.html