centos 7 新机器安装部署配置

[lambert@localhost ~]$  java -version
openjdk version "1.8.0_102"
OpenJDK Runtime Environment (build 1.8.0_102-b14)
OpenJDK 64-Bit Server VM (build 25.102-b14, mixed mode)

[lambert@localhost ~]$ rpm -qa|grep java
python-javapackages-3.4.1-11.el7.noarch
tzdata-java-2016g-2.el7.noarch
java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.x86_64
java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64
javapackages-tools-3.4.1-11.el7.noarch

[lambert@localhost ~]$ rpm -e --nodeps python-javapackages-3.4.1-11.el7.noarch
错误：can‘t create 事务 lock on /var/lib/rpm/.rpm.lock (权限不够)
[lambert@localhost ~]$ su -
密码：
[root@localhost ~]# rpm -e --nodeps python-javapackages-3.4.1-11.el7.noarch
[root@localhost ~]# rpm -e --nodeps tzdata-java-2016g-2.el7.noarch
[root@localhost ~]# rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.x86_64
[root@localhost ~]# rpm -e --nodeps java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64
[root@localhost ~]# rpm -e --nodeps javapackages-tools-3.4.1-11.el7.noarch
[root@localhost ~]# rpm -qa|grep java
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]#
[root@localhost ~]# java -version
bash: java: 未找到命令...
[root@localhost ~]#

cd  /etc/sysconfig/network-scripts/     //进入到网络适配器文件夹中
mv /ifcfg-ethXXX /ifcfg-eth0     //名字改为ifcfg-eth0
vi  ifcfg-eth0    //编辑文件

TYPE=Ethernet 
DEFROUTE=yes 
PEERDNS=yes 
PEERROUTES=yes 
IPV4_FAILURE_FATAL=no 
IPV6INIT=yes 
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes 
IPV6_PEERDNS=yes 
IPV6_PEERROUTES=yes 
IPV6_FAILURE_FATAL=no 
NAME=eth0 
UUID=ae0965e7-22b9-45aa-8ec9-3f0a20a85d11 

ONBOOT=yes  #开启自动启用网络连接,这个一定要改
IPADDR=192.168.182.3  #设置IP地址 
NETMASK=255.255.225.0  #设置子网掩码 
GATEWAY=192.168.182.2  #设置网关 
DNS1=61.147.37.1  #设置主DNS 
DNS2=8.8.8.8  #设置备DNS 
BOOTPROTO=static  #启用静态IP地址 ,默认为dhcp

:wq!  #保存退出 

service network restart  #重启网络 

ping www.baidu.com  #测试网络是否正常

ip addr  #查看IP地址