CentOS 6学习笔记（二）
vi /etc/sysconfig/network-scripts/ifcfg-eth0 1
DEVICE=eth0 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no BOOTPROTO=dhcp 12345
service network restart ip addr 12 关闭防火墙
service iptables stop service ip6tables stop service iptables status service ip6tables status chkconfig iptables off chkconfig ip6tables off vi /etc/selinux/config 12345678
SELINUX=disabled 1 配置 DNS 服务器
vi /etc/resolv.conf 1
nameserver 114.114.114.114 1 配置 repo 文件
新建文本文件，拷贝下列内容，重命名为 CentOS6-Base-163.repo，上传到 /usr/local 目录下。
[base] name=CentOS-$releasever - Base - 163.com baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/ #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os gpgcheck=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #released updates [updates] name=CentOS-$releasever - Updates - 163.com baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/ #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates gpgcheck=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras - 163.com baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/ #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras gpgcheck=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus - 163.com baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/ #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib - 163.com baseurl=http://mirrors.163.com/centos/$releasever/contrib/$basearch/ #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6
12345678910111213141516171819202122232425262728293031323334353637383940将 repo 文件拷贝到 /usr/local 目录下
cd /etc/yum.repos.d/ rm -rf * cp /usr/local/CentOS6-Base-163.repo . 123 配置 yum
yum clean all yum makecache #测试yum工作是否正常，随便安装一个东西试试 yum install telnet 1234 配置系统时间
安装 ntpdate
yum install -y ntp ntpdate 0.pool.ntp.org #查看系统当前时间是否正确 date 1234
#添加NTP chkconfig --add ntpd #开机自启动NTP chkconfig ntpd on 1234
修改 NTP 配置文件
vi /etc/ntp.conf 1
# Use public servers from the pool.ntp.org project. # Please consider joining the pool (http://www.pool.ntp.org/join.html). server 0.pool.ntp.org iburst server 1.pool.ntp.org iburst server 2.pool.ntp.org iburst server 3.pool.ntp.org iburst 123456 安装 JDK 1.7
将 jdk-7u65-linux-i586.rpm 上传到 /usr/local 目录下。
cd /usr/local rpm -ivh jdk-7u65-linux-i586.rpm 12
配置 JDK 相关的环境变量
vi ~/.bashrc 1
export JAVA_HOME=/usr/java/latest export PATH=$PATH:$JAVA_HOME/bin 12
source ~/.bashrc #测试java是否安装成功 java -version 123 安装 gcc-c++
yum install gcc-c++ 1 删除 70-persistent-net.rules
为了防止某个设备名称和mac地址不对应的现象，将 70-persistent-net.rules 这个文件删除
rm -f /etc/udev/rules.d/70-persistent-net.rules 1 关机或重启
#立即关机 shutdown -h now #重启 reboot #强制重启 reboot –f 123456
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