系统初始化脚本（Centos7.2）

#!/bin/bash

####networktest

function networkAndFtp()  

{

    timeout=5

 

        target=www.baidu.com

 

    ret_code=`curl -I -s --connect-timeout $timeout $target -w %{http_code} | tail -n1`

 

    if [ "x$ret_code" = "x200" ]; then

          echo -e "33[42;37m Network Check Complate!!! Continue 33[0m"

    else

          echo -e "Network Error!!! Program has exit"

          exit 1

    fi

}

 

#添加计划任务每天0点1分同步一次时间

yum install ntpdate -y

#使用时间服务器同步

echo "01 0 * * * ntpdate time.pool.aliyun.com " >/tmp/addcrontab.txt

crontab /tmp/addcrontab.txt

rm -rf /tmp/addcrontab.txt

 

###停止防火墙

systemctl stop firewalld.service

systemctl disable firewalld.service

 

#使用NTP服务同步

function update_time()

{

 

shpath=/apps/sh

if [ ! -d $shpath ];then

mkdir -p $shpath

fi

echo "01 0 * * * ntpdate time.pool.aliyun.com" >>/tmp/addcrontab.txt

crontab /tmp/addcrontab.txt

rm -rf /tmp/addcrontab.txt

cat >/apps/sh/update_time.sh<<"EOF"

#!/bin/bash

#by jack

function networkcheck()  

{

    timeout=5

 

        target=www.baidu.com

 

    ret_code=`curl -I -s --connect-timeout $timeout $target -w %{http_code} | tail -n1`

 

    if [ "x$ret_code" = "x200" ]; then

          echo "Network check Pass"

    else

          echo "Network Error exit....."

          exit 1

    fi

}

 

rpm -qa|grep ntpd &>/dev/null

ntppk=`echo $?`

 

if [ $ntppk -eq 0 ];then

logger restarting ntpd server.

/bin/systemctl restart ntpd.service

 

else

networkcheck

yum install ntp -y &>/dev/null

stat=`echo $?`

                if [ ! $stat -eq 0 ];then

                echo "ntpd install error."

                exit 10

                fi             

 

/bin/systemctl start ntpd.service

fi

 

EOF

#chmod +x /apps/sh/update_time.sh

}

 

 

#################

 

networkAndFtp

 

echo "Please enter Server name (hostname):"

read servername

echo "Please enter servicename (localhost service code):"

read servicename

echo "Please check hostname: $servername"

echo "=================================="

echo "Please check hostname: $servicename"

echo "Countdown 5s!"

for i in `seq -w 5 -1 1`

  do

    echo "The countdown $i to start";

    sleep 1;

  done

 

hostnamectl --static set-hostname $servername

groupadd apps

adduser -g apps apps

yum install -y vim wget lrzsz iptables-services ntp net-tools psmisc unzip

/usr/sbin/ntpdate time.pool.aliyun.com

#update_time

 

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

yum clean all

wget -O /etc/sysctl.d/youhua.conf http://121.201.24.30:8188/conf/youhua.conf

mv  /etc/security/limits.conf  /etc/security/limits.conf_`date +%s`

echo '* - nofile 65535' > /etc/security/limits.conf

setenforce 0

wget -O /etc/selinux/config http://121.201.24.30:8188/conf/selinux/config

mkdir -p /apps/svr/

#设置JAVA环境变量

 

#判断路由确定机器所在网段

RouteIp=`route -n | awk '{print $2}' | awk 'NR ==3 '`

if [ $RouteIp == "10.0.20.27"]

    then

    FileServerIp="10.0.20.250"

    else

    FileServerIp="10.0.5.250"

fi

     

#连接服务器下载java环境包

wget -O /tmp/java.tar  http://$FileServerIp/apps-source-for-java.tar.gz

cd /tmp/ ;tar zxvf java.tar

 

#配置java运行环境

chown -R apps.apps /tmp/apps

rm -rf /tmp/apps/svr/nginx

rm -rf /tmp/apps/svr/nginx-1.6.3

rm -rf /tmp/apps/svr/apache-tomcat-7.0.70

rm -rf /tmp/apps/sh/rotate-1.3.sh

rm -rf /tmp/apps/sh/nginx.sh

#根据传参设置java版本

if [ $1 == "jdk18" ]

    then

    echo -e "33[42;37m Let's Install Java Development Kit Version 1.8 33[0m "

    cp -r /tmp/apps/svr /apps

    cp -r /tmp/apps/sh /apps

    sleep 2;

    else

    echo -e "33[42;37m I Think You Need Java Development Kit Version 1.7 33[0m "

    rm -rf /tmp/apps/svr/jdk

    cp -r /tmp/apps/svr /apps

    cp -r /tmp/apps/sh /apps

    cd /apps/svr/;ln -s /apps/svr/jdk1.7.0_80 jdk

    sleep 2;

fi

#写入系统环境变量

echo "source /apps/sh/java_env.sh" >> /home/apps/.bashrc

 

    function install_zabbix_agentd()

{

mkdir -p /apps/logs/zabbix/

mkdir -p /apps/zabbix/etc/zabbix_agent.d

wget -O /apps/zabbix.tar.gz http://121.201.24.30:8188/zabbix_centos7_64.tar.gz

tar xvf /apps/zabbix.tar.gz -C /apps/

cp /apps/zabbix/sh/zabbix_agentd /etc/init.d/

chmod +x /etc/init.d/zabbix_agentd

chkconfig --add zabbix_agentd

chkconfig --level 35 zabbix_agentd on

echo 'LogFile=/apps/logs/zabbix/zabbix_agentd.log' > /apps/zabbix/etc/zabbix_agentd.conf

echo 'Server=10.0.5.30' >> /apps/zabbix/etc/zabbix_agentd.conf

echo 'ServerActive=10.0.5.30' >> /apps/zabbix/etc/zabbix_agentd.conf

echo "Hostname=$servername" >> /apps/zabbix/etc/zabbix_agentd.conf

echo 'AllowRoot=1' >> /apps/zabbix/etc/zabbix_agentd.conf

echo 'Include=/apps/zabbix/etc/zabbix_agent.d/*.conf' >> /apps/zabbix/etc/zabbix_agentd.conf

 

echo 'UserParameter=bd,/usr/bin/bash /apps/zabbix/sh/killall-check.sh' >/apps/zabbix/etc/zabbix_agent.d/system.conf

 

service zabbix_agentd start

}

 

echo "starting install_zabbix_agentd."

install_zabbix_agentd

 

yum update -y

 

#cp /home/apps/.ssh/authorized_keys /home/apps/.ssh/authorized_keys_bak

##需要用户登录后才能执行

#echo 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAx3M0s+E7EaBTDm67DO+vz9oiXUL9gkbf284YRu1bo4u1y6vx2v6Cblo7xbkUh8Au0APHATGCgsvbemFxnpB2/dY5cZNJA0SRrJEms382B2hsUtRT1E/6G21QwDf3cubCf+gDhxtQ5hAyPLKDoi+I9R+ebTaXMQoQ9IRVouviL8zeLrKI9SSURJscIjOfyhTj5363ygpjcAR303Lt+mDd1DyA/RW6gjcuNOM73c86JIOtvGNMR2li3lcxZ4IRnP5bweWQ33f7gi8P3bFOI9ZV28TO1C/eReVWuy41Ha54ycdPanPTJanJoVkVyZ5sxEEnn2QwoUHUcSv+dK+IG92Zcw== apps@JKM-UNCTL-033'>>/home/apps/.ssh/authorized_keys

echo 'ulimit -u 4096' >> /home/apps/.bashrc

echo 'ulimit -u 4096' >> /root/.bashrc

mkdir -p /apps/newcode

 

echo -e "33[42;37m done!!! Please reboot server! 33[0m"

sync

sync

sync

reboot