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更新脚本
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‎codes/linux/ops/service/elk/install-elk.sh‎

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# passwd elk
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# 获取当前设备IP
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IP=""
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getDeviceIp() {
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IP=`ifconfig eth0 | grep "inet" | awk '{ print $2}' | awk -F: '{print $2}'`
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if [ "$IP" == "" ]; then
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IP=`ifconfig eth0 | grep "inet" | awk '{ print $2}'`
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fi
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if [ "$IP" == "" ]; then
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IP=`ifconfig ens32 | grep "inet"|grep "broadcast" | awk '{ print $2}' | awk -F: '{print $1}'`
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fi
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if [ "${IP}" == "" ]; then
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echo " "
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echo " 请输入服务器IP地址................ "
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echo " "
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exit 0
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else
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echo "当前设备IP: $IP"
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fi
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ipaddr='127.0.0.1'
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function getDeviceIp() {
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ipaddr=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}')
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}
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# 检查文件是否存在，不存在则退出脚本

‎codes/linux/ops/sys/README.md‎

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# 脚本使用说明
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> 建议按照顺序执行本文脚本。
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<!-- TOC depthFrom:2 depthTo:3 -->
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- [替换 yum repo 源](#替换-yum-repo-源)
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- [安装基本的命令工具（可选）](#安装基本的命令工具可选)
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- [关闭防火墙](#关闭防火墙)
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- [设置 DNS](#设置-dns)
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- [设置 ntp](#设置-ntp)
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<!-- /TOC -->
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## 替换 yum repo 源
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由于 CentOS 默认 yum 源，访问速度很慢，所以推荐使用国内镜像。
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使用方法：执行以下任意命令即可执行脚本。
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```sh
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curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/yum/change-yum-repo.sh | bash
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wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/yum/change-yum-repo.sh | bash
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```
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## 安装基本的命令工具（可选）
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工具清单（可以根据需要，在 install-cmd-tool.sh 中把不需要的工具注掉）：
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```
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# 核心工具：df、du、chkconfig
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# 网络工具：ifconfig、netstat、route
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# IP工具：ip、ss、ping、tracepath、traceroute
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# DNS工具：dig、host、nslookup、whois
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# 端口工具：lsof、nc、telnet
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# 下载工具：curl、wget
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# 防火墙工具：iptables
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# 编辑工具：emacs、vim
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# 流量工具：iftop、nethogs
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# 抓包工具：tcpdump
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# 压缩工具：unzip、zip
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# 版本控制工具：git
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```
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使用方法：执行以下任意命令即可执行脚本。
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```sh
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curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/install-cmd-tool.sh | bash
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wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/install-cmd-tool.sh | bash
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```
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## 关闭防火墙
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使用方法：执行以下任意命令即可执行脚本。
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```sh
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curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/stop-firewall.sh | bash
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wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/stop-firewall.sh | bash
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```
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## 设置 DNS
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使用方法：执行以下任意命令即可执行脚本。
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```sh
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curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/set-dns.sh | bash
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wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/set-dns.sh | bash
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```
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## 设置 ntp
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使用方法：执行以下任意命令即可执行脚本。
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```sh
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curl -o- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/set-ntp.sh | bash
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wget -qO- https://raw.githubusercontent.com/dunwu/os-tutorial/master/codes/linux/ops/sys/set-ntp.sh | bash
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```

codes/linux/sys/config-env.sh renamed to codes/linux/ops/sys/config-env.sh

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# Author: Zhang Peng
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###################################################################################
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9-
# 获取当前机器 IP
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ip=""
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function getDeviceIp() {
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ip=`ifconfig eth0 | grep "inet addr" | awk '{ print $2}' | awk -F: '{print $2}'`
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if [ "$ip" == "" ]
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then
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ip=`ifconfig ens32 | grep "inet"|grep "broadcast" | awk '{ print $2}' | awk -F: '{print $1}'`
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fi
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if [ "$ip" == "" ]
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then
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ip=`echo $1`
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fi
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if [ "${ip}" == "" ]
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then
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echo "无法获取IP地址"
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exit 0
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fi
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}
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function setDNS() {
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getDeviceIp
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host=`hostname`
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cat >> /etc/hosts << EOF
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${ip} ${host}
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EOF
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}
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function setNameServer() {
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echo "添加域名服务器"
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echo "nameserver 218.2.135.1" >> /etc/resolv.conf
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}
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function setNtp() {
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# 时钟同步工具
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yum -y install ntp
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# 同步上海交通大学网络中心NTP服务器
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echo "* 4 * * * /usr/sbin/ntpdate ntp.sjtu.edu.cn > /dev/null 2>&1" >> /var/spool/cron/root
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# 以一个服务器时间为标准定时更新时间（有时需要以公司中的服务器作为标准）
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#echo "*/30 * * * * /usr/local/bin/ntpdate 192.168.16.182" >> /var/spool/cron/root
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}
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function setLimit() {
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cat >> /etc/security/limits.conf << EOF
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* - nofile 65535
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sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
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}
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function closeFirewall() {
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echo "关闭防火墙"
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# see https://www.cnblogs.com/moxiaoan/p/5683743.html
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systemctl stop firewalld
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systemctl disable firewalld
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}
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function setBootMode() {
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# 1. 停机(记得不要把 initdefault 配置为 0，因为这样会使 Linux 不能启动)
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######################################## MAIN ########################################
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echo -e "\n>>>>>>>>> 配置系统环境"
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filepath=$(cd "$(dirname "$0")"; pwd)
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# 关闭 selinux
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closeSelinux
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# 关闭防火墙
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closeFirewall
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# 设置 DNS 服务器和本机 Host
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setNameServer
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setDNS
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${filepath}/set-dns.sh
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# 设置时间同步
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setNtp

codes/linux/sys/init.sh renamed to codes/linux/ops/sys/init.sh

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codes/linux/sys/install-cmd-tool.sh renamed to codes/linux/ops/sys/install-cmd-tool.sh

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# 流量工具：iftop、nethogs
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# 抓包工具：tcpdump
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# 压缩工具：unzip、zip
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# 版本控制工具：git
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###################################################################################
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# 核心工具
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echo -e "\n>>>>>>>>> install coreutils(df、du)"
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yum install -y tcpdump
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# 压缩工具
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echo -e "\n>>>>>>>>> install unzip"
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yum install -y unzip
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# 版本控制工具
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echo -e "\n>>>>>>>>> install git"
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yum install -y git

‎codes/linux/ops/sys/set-dns.sh‎

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#!/usr/bin/env bash
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###################################################################################
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# 在 /etc/resolv.conf 中设置 DNS 服务器
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# 在 /etc/hosts 中设置本机域名
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# Author: Zhang Peng
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###################################################################################
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ip='127.0.0.1'
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function getDeviceIp() {
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ip=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}')
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}
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function setDNSServer() {
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echo -e "设置DNS服务器"
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cat >> /etc/resolv.conf << EOF
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nameserver 114.114.114.114
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nameserver 8.8.8.8
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EOF
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}
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function setHosts() {
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getDeviceIp
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host=`hostname`
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cat >> /etc/hosts << EOF
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${ip} ${host}
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EOF
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}
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######################################## MAIN ########################################
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echo -e "\n>>>>>>>>> 配置系统环境"
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setDNSServer
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setHosts

‎codes/linux/ops/sys/set-ntp.sh‎

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#!/usr/bin/env bash
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###################################################################################
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# 使用 NTP 进行时间同步
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# 参考：https://www.cnblogs.com/quchunhui/p/7658853.html
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# Author: Zhang Peng
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###################################################################################
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echo -e "\n>>>>>>>>> 设置 ntp"
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echo -e "先安装时钟同步工具 ntp"
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yum -y install ntp
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ip=$(ip addr | awk '/^[0-9]+: / {}; /inet.*global/ {print gensub(/(.*)\/(.*)/, "\\1", "g", $2)}')
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/sbin/iptables -A INPUT -p UDP -i eth0 -s ${ip}/24 --dport 123 -j ACCEPT
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echo -e "启动 NTP 服务"
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systemctl start ntpd.service
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echo -e "立即执行时间同步"
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/usr/sbin/ntpdate ntp.sjtu.edu.cn
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echo -e "自动定时同步时间"
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echo "* 3 * * * /usr/sbin/ntpdate ntp.sjtu.edu.cn" >> /etc/crontab
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systemctl restart crond.service
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echo -e "同步后系统时间："
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date

‎codes/linux/ops/sys/stop-firewall.sh‎

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#!/usr/bin/env bash
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###################################################################################
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# 彻底关闭防火墙
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# 参考：https://www.cnblogs.com/moxiaoan/p/5683743.html
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# Author: Zhang Peng
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###################################################################################
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systemctl stop firewalld
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systemctl disable firewalld

codes/linux/sys/yum/Centos-5.repo renamed to codes/linux/ops/sys/yum/Centos-5.repo

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codes/linux/sys/yum/Centos-6.repo renamed to codes/linux/ops/sys/yum/Centos-6.repo

File renamed without changes.

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