1,軟件及系統版本java
使用lsb_release -a 能夠查看系統發行版本信息node
[root@localhost ~]# lsb_release -apython
LSB Version: :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarchlinux
Distributor ID: CentOSvim
Description: CentOS Linux release 7.6.1810 (Core) centos
Release: 7.6.1810curl
Codename: Coreurl
2,系統環境準備centos7
2.1 開啓防火牆及關係SElinuxspa
systemctl enable firewalld && systemctl start firewalld
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config && setenforce 0
2.2 系統軟件源配置
curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
2.3 經常使用軟件安裝
yum -y intall vim
2.4 部署時間服務
yum -y install chrony
systemctl enable chronyd && systemctl start chronyd
timedateclt status
3,centos7中yum安裝jdk及配置環境變量
3.1 安裝以前先查看一下有無系統自帶jdk
rpm -qa | grep java
rpm -qa | grep jdk
rpm -qa | grep gcj
3.2 若是有就使用批量卸載命令
rpm -qa | grep java | xargs rpm -e --nodeps
直接yum安裝1.8.0版本openjdk
yum -y install java-1.8.0-openjdk* -y
4,centos 7 中yum 安裝python3.6
yum install -y python36
5,安裝ansible
yum install ansible -y