环境安装-Centos7.4安装及配置
环境安装-Centos7.4安装及配置
〇、资料汇总
一、虚拟机安装
1、下载地址
https://pan.baidu.com/s/1zcOp06HX4OxPdsCCGkHbXQ
提取码:7777
2、安装步骤
https://mp.weixin.qq.com/s/36OhAiYvAmKVGd-QQ26dWg
二、Centos安装
1、安装步骤(CentOS7.4)
https://blog.csdn.net/qq_42818882/article/details/123580237
三、配置ip、host映射与主机名
1、配置ip与dns
https://blog.csdn.net/qq_42141141/article/details/126440519
2、配置host映射
https://www.itbiancheng.com/article/5616.html
3、配置主机名
(1)简单命令方式:
https://blog.csdn.net/realoser/article/details/123392781
(2)修改配置文件方式
设置主机名:cd /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=hadoop01
service network restart
四、关闭防火墙及selinux
1、关闭防火墙
参考地址:https://blog.csdn.net/qq_38173650/article/details/120344471
(1)iptables
【不适用】
service iptables stop
chkconfig iptables off
(2)firewalld☆
【适合用】
启动: systemctl start firewalld
查看状态: systemctl status firewalld
禁用,禁止开机启动: systemctl disable firewalld
停止运行: systemctl stop firewalld
重启:firewall-cmd --reload
2、关闭selinux
https://blog.csdn.net/weixin_55597816/article/details/122888166
五、开启时钟同步
1、ntpd方式☆
yum install ntpd -y
service ntpd start
chkconfih ntpd on
六、设置SSH免密登录
1、最简单方式☆
https://blog.csdn.net/weixin_53742691/article/details/126272727
2、复杂命令方式
(1)本地
ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
(2)远程
ssh-copy-id -i .ssh/id_rsa.pub root@hadoop02
七、jdk安装与测试
1、下载
地址:Oracle官网
jdk_1.8.npm
2、安装
npm -i jdk_1.8.npm
ll查看安装路径(软链接),默认安装在/usr/java/default
3、配置环境变量
vi /etc/profile
添加
export JAVA_HOME=/usr/java/default
export PATH=$PATH:$JAVA_HOME/bin
生效:source /etc/profile
4、验证
java -version
八、机器克隆后修改
1、修改ip与dns
https://blog.csdn.net/qq_42141141/article/details/126440519
2、修改主机名
(1)简单命令方式:
https://blog.csdn.net/realoser/article/details/123392781
(2)修改配置文件方式
设置主机名:cd /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=hadoop01
service network restart
(3)快速重启验证
reboot
3、设置ssh免密登录
参考:https://blog.csdn.net/weixin_53742691/article/details/126272727
验证:ssh root@hadoop01或直接ssh hadoop01
本文来自博客园,作者:哥们要飞,转载请注明原文链接:https://www.cnblogs.com/liujinhui/p/16838546.html