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100 lines
2.8 KiB
100 lines
2.8 KiB
#!/usr/bin/bash
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# 将color.sh脚本中的内容在此脚本生效，类似于导入操作
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source ./color.sh
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# 将不确定的因素交给用户自定义
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interface=ens33
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gateway=2
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hostname=database
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# 系统信息采集
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green "当前用户 $USER"
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green "当前时间 `date "+%F %X"`"
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echo 3 >/proc/sys/vm/drop_caches
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green "当前内存 $(free |awk 'NR==2{print $4/1024}')M"
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green "当前核心 $(grep -E '^processor' /proc/cpuinfo|wc -l)个"
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green "核心品牌 $(grep -E '^model name' /proc/cpuinfo |head -n 1 |awk -F: '{print $2}')"
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green "启动时长 $(uptime |awk -F',' '{print $1}')"
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# 网络检测
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ping -w1 -c1 www.baidu.com &>/dev/null
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if [ $? -eq 0 ];then
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green "网络正常"
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else
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red "网络异常"
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exit 1
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fi
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# yum源检查
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cd /etc/yum.repos.d/ && \
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rename .repo .repo.bak *.repo
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curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
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yum install -y epel-release yum-utils && \
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green "yum源初始化安装"
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green "开始安装常用软件"
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green "即将为您安装 vim wget unzip lrzsz net-tools yum-utils ntpdate htop psacct 这些软件，如果有其他需要，请手动输入，您有10秒的时间"
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read -t 10 -p ">>>:" package
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package=${package:=";"}
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yum install -y vim wget unzip lrzsz net-tools yum-utils ntpdate psacct $package
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if [ $? -eq 0 ];then
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green "常用软件安装成功"
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else
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yellow "部分安装可能出现异常"
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fi
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green "开始进行系统优化"
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systemctl stop firewalld && systemctl disable firewalld
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systemctl stop postfix && systemctl disable postfix
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sed -i 's/^SELINUX.*/SELINUX=disabled/' /etc/selinux/config
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setenforce 0 2>/dev/null
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green "修改文件打开数、进程打开数"
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cat >>/etc/security/limits.conf <<EOF
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* soft nofile 65535
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* hard nofile 65535
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* soft nproc 1024
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* hard nproc 1024
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EOF
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echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
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sed -i 's/#UseDNS.*/UseDNS no/' /etc/ssh/sshd_config
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green "开始进行静态ip修改"
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ipaddr=$(ip a |grep ${interface} |grep inet|awk '{print $2}'|awk -F'/' '{print $1}')
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netmask=$(ip a |grep ${interface} |grep inet|awk '{print $2}'|awk -F'/' '{print $2}')
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cat >/etc/sysconfig/network-scripts/ifcfg-${interface} <<EOF
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TYPE="Ethernet"
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PROXY_METHOD="none"
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BROWSER_ONLY="no"
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BOOTPROTO="static"
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IPADDR="$ipaddr"
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PREFIX="$netmask"
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GATEWAY="${ipaddr%.*}.${gateway}"
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DNS1=114.114.114.114
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DNS2=8.8.8.8
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DEFROUTE="yes"
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DEVICE="${interface}"
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ONBOOT="yes"
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EOF
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systemctl restart network
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if [ $? -eq 0 ];then
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ping -w1 -c1 www.baidu.com &>/dev/null && green "网络配置成功" || red "网络连接异常"
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else
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red "网卡配置异常"
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fi
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green "开始进行主机名配置"
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hostname=${hostname:='osinit'}
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hostnamectl set-hostname $hostname
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green "系统初始化完成,即将重启，配置生效，是否现在重启[Y|N]"
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read -t 5 result
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result=${result:='N'}
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if [ $result == 'Y' ];then
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reboot
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else
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yellow "配置需要重启后生效"
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fi
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