qq_28534619的博客

1.sudo apt-get install openjdk-8-jre2.sudo apt-get install openjdk-8-jdk3.sudo add-apt-repository ppa:webupd8team/javasudo apt-get updatesudo apt-get install oracle-java8-installersudo apt-ge

1.yum search openjdk查看所有的open-jdk版本信息2.yum install java-1.6.0-openjdk java-1.6.0-openjdk-devel进行安装3.检查是否安装完毕在/usr/bin/下有jvm目

1 //检查是否安装vsftpd2 rpm -qa | grep vsftpd3 //没有就安装vsftpd4 yum -y install vsftpd5.关闭防火墙//临时关闭systemctl stop firewalld//禁止开机启动systemctl disable firewalld6....

查看防火墙状态firewall-cmd --state停止firewallsystemctl stop firewalld.service禁止firewall开机启动systemctl disable firewalld.service