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shell-project/os/get-os-init.sh

133 lines
4.6 KiB

#!/usr/bin/bash
#set -e
yum_host=10.36.172.9
yum_host2=10.36.174.100
color(){
unset c
declare -A c=([Error]=31 [Success]=32 [Warning]=33 [Info]=34)
#echo -e "\033[${c[$1]}m[`date +%T`]($1) $2\033[0m"
printf "\033[${c[$1]}m%-10s%-10s %-30s\033[0m\n" "[`date +%T`]" "($1)" "$2"
sleep 0.5
}
static_addr(){
ifname=$(ip -f inet a | awk '/^2/{print $2}')
ifname=$(echo ${ifname/:/})
ipaddr=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $1}')
prefix=$(ip -f inet a show dev $ifname | awk '/inet/{print $2}' | awk -F'/' '{print $2}')
gateway=$(ip r |awk '/default/{print $3}')
cat > /etc/sysconfig/network-scripts/ifcfg-$ifname <<EOF
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="static"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
NAME="${ifname}"
UUID="`uuidgen`"
DEVICE="${ifname}"
ONBOOT="yes"
IPADDR=${ipaddr}
PREFIX=${prefix}
GATEWAY=${gateway}
DNS1=${gateway}
DNS2=114.114.114.114
DNS3=8.8.8.8
EOF
systemctl restart network
ping -w2 -c2 www.baidu.com &>/dev/null && \
return 10 || \
return 20
}
local_yum_make(){
cd /etc/yum.repos.d/ && \
rename .repo .repo.bak *.repo &>/dev/null
grep "$yum_host package.qf.com" /etc/hosts &>/dev/null
if [ $? -ne 0 ];then
cat >> /etc/hosts <<EOF
$yum_host package.qf.com
$yum_host2 package2.qf.com
EOF
fi
curl -o /etc/yum.repos.d/centos7.repo https://download.beyourself.org.cn/repo/centos7-repo && \
yum repolist && yum clean all && yum makecache && \
color Success "本地源配置完成" || color Error "yum配置错误,可以\ncd /etc/yum.repos.d/ && rm -rf centos7.repo && rename .repo.bak .repo *.repo.bak \n使用手动恢复历史yum"
}
remote_yum_make(){
cd /etc/yum.repos.d/ && \
rename .repo .repo.bak *.repo &>/dev/null
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo
yum repolist && yum clean all && yum makecache && \
color Success "阿里源配置完成" || color Error "yum配置错误,可以\ncd /etc/yum.repos.d/ && rm -rf centos7.repo && rename .repo.bak .repo *.repo.bak \n使用手动恢复历史yum"
}
init(){
# 系统信息采集
color Info "当前用户 $USER"
color Info "当前时间 `date "+%F %X"`"
echo 3 >/proc/sys/vm/drop_caches
color Info "当前内存 $(free |awk 'NR==2{print $4/1024}')M"
color Info "当前核心 $(grep -E '^processor' /proc/cpuinfo|wc -l)"
color Info "核心品牌 $(grep -E '^model name' /proc/cpuinfo |head -n 1 |awk -F: '{print $2}')"
color Info "启动时长 $(uptime |awk -F',' '{print $1}')"
color Success "开始配置静态ip"
cat >>/etc/security/limits.conf <<EOF
* soft nofile 65535
* hard nofile 65535
* soft nproc 1024
* hard nproc 1024
EOF
color Success "已经优化系统文件打开数、进程打开数"
echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
color Success "已经开启系统路由转发"
sed -i 's/#UseDNS.*/UseDNS no/' /etc/ssh/sshd_config
color Success "已经优化ssh服务连接速度"
static_addr
if [ $? -eq 10 ];then
color Success "静态ip配置并检测完成"
else
color Error "静态ip配置异常"
fi
color Info "正在关闭防火墙、selinux"
color Warning "注意,这将降低服务器安全性"
systemctl disable firewalld postfix --now
if [ `getenforce` = 'Enforcing' ];then
setenforce 0
fi
sed -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config && \
color Success "配置完成" || color Error "配置异常,请检查"
color Info "配置yum源, 此操作将备份您的历史源"
ping -w 2 -c 2 $yum_host &>/dev/null
if [ $? -eq 0 ];then
local_yum_make
else
remote_yum_make
fi
color Info "开始安装常用软件"
yum install -y wget unzip vim yum-utils httpd-tools psacct net-tools nc ntpdate jq htop bash-completion && \
color Success "安装完成" || color Warning "部分包可能失败"
color Info "开始进行时间校准"
ntpdate ntp.aliyun.com && \
# 修改时间到硬件
clock -w
#保存时间到硬件
hwclock -s
color Success "时间校准完成"
# color Info "修改终端前缀显示"
# cat > /etc/profile.d/psdiy.sh <<EOF
# export PS1="[\e[32m(\t)\u\e[36m@\h\e[31m\e[0m \W]\$ "
# EOF
# color Success "修改完成,重新进入终端查看"
echo {"time": "`date +'%F %T'`"} > /tmp/.init
}
if [ -f /tmp/.init ];then
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"
exit 0
fi
init
color Success "初始化完成"