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100 lines
2.9 KiB
100 lines
2.9 KiB
2 years ago
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#!/usr/bin/bash
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set -e
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color(){
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unset c
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declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
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printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
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sleep 0.5
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}
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static_addr(){
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ifname=$(ip -f inet a | awk '/^2/{print $2}')
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ifname=$(echo ${ifname/:/})
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ipaddr=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $1}')
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prefix=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $2}')
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gateway=$(ip r |awk '/default/{print $3}')
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cat > /etc/sysconfig/network-scripts/ifcfg-$ifname <<EOF
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[connection]
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id=${ifname}
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uuid=`uuidgen`
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type=ethernet
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autoconnect-priority=-999
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interface-name=${ifname}
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timestamp=1676740817
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[ethernet]
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[ipv4]
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method=manual
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address1=${ipaddr}/${prefix},${gateway}
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dns=223.5.5.5
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[ipv6]
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method=auto
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addr-gen-mode=eui64
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[proxy]
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EOF
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nmcli c reload
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nmcli c up ${ifname}
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ping -w1 -c1 www.baidu.com &>/dev/null && \
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return 10 || \
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return 20
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}
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init(){
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# 系统信息采集
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color Info "当前用户 $USER"
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color Info "当前时间 `date "+%F %X"`"
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echo 3 >/proc/sys/vm/drop_caches
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color Info "当前内存 $(free |awk 'NR==2{print $4/1024}')M"
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color Info "当前核心 $(grep -E '^processor' /proc/cpuinfo|wc -l)个"
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color Info "核心品牌 $(grep -E '^model name' /proc/cpuinfo |head -n 1 |awk -F: '{print $2}')"
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color Info "启动时长 $(uptime |awk -F',' '{print $1}')"
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color Success "开始配置静态ip"
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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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color Success "已经优化系统文件打开数、进程打开数"
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echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
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color Success "已经开启系统路由转发"
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static_addr
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if [ $? -eq 10 ];then
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color Success "静态ip配置并检测完成"
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else
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color Error "静态ip配置异常"
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fi
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color Info "正在关闭防火墙、selinux"
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color Warning "注意，这将降低服务器安全性"
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systemctl disable firewalld --now
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if [ `getenforce` = 'Enforcing' ];then
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setenforce 0
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fi
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sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config && \
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color Success "配置完成" || color Error "配置异常，请检查"
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dnf install -y epel-release
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dnf makecache
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dnf install -y wget unzip vim yum-utils httpd-tools psacct net-tools nc jq htop bash-completion lrzsz ntpsec && \
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color Success "安装完成" || color Warning "部分包可能失败"
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color Info "开始进行时间校准"
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ntpdate ntp.aliyun.com && \
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# 修改时间到硬件
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clock -w
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#保存时间到硬件
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hwclock -s
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color Success "时间校准完成"
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echo {"time": "`date +'%F %T'`"} > /tmp/.init
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}
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if [ -f /tmp/.init ];then
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color Success "检测到此前已进行初始化，如需重新执行，请删除: rm -f /tmp/.init"
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exit 0
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fi
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init
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color Success "初始化完成"
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