#!/bin/sh
>>>>>>>>##
# 系统初始化脚本
# 版本 V 0.1.2
# 作者
# 说明：
#
BASH_VER=0.0.1
fuction check_used()
{
if [-d /root/confbak] then
echo "Already Init"
exit 1
}
confbakdir="/root/confbak"
mkdir -p $confbakdir
LAN_IP=`ifconfig|sed -n '/inet addr/s/^[^:]*:\([0-9.]\{7,15\}\) .*/\1/p' |grep 172. |head -1`
SYS_VER=`cat /etc/redhat-release |awk '{print $3}'`
fuction check_system()
{
if [-f /etc/redhat-release ] then
echo "System Check Pass!"
exit 1
else
echo "This System ----"
exit 1
}
echo "nameserver 10.20.0.191" > /f
rpm --import mirrors.sohu/centos/5.7/os/x86_64/RPM-GPG-KEY-CentOS-5
#修改运行等级为3
pro_runlevel()
{
cp /etc/inittab $confbakdir
sed -i -e "s/id:5:initdefault:/id:3:initdefault:/" /etc/inittab
}
#禁止使用IP-V6
pro_disaipv6()
{
cp /f $confbakdir
echo "alias net-pf-10 off" >> /f
echo "alias ipv6 off" >> /f
}
#修改GRUB超市时间为1秒
pro_grubtimeout()
{
cp /boot/f $confbakdir
sed -i -e "s/timeout=5/timeout=1/" /boot/f
}
#关闭不必要的服务
pro_tunseroff()
{
for ser in `chkconfig --list |grep 3:on |awk '{print $1}'`
do
echo $ser
case $ser in
crond | irqbalance | microcode_ctl | network | random | sendmail \
| sshd | syslog | messagebus | haldaemon | readahead_early | \
apmd | readahead_later | readahead | iptables |lvm2-monitor |vmware-tools )
echo "Base services, Skip"
;;
*)
echo "change $ser to off"
chkconfig --level 3 $ser off
service $ser stop
;;
esac
done
}
#使用VI取代VIM
pro_aliasvi()
{
sed -i "8 s/^/alias vi='vim'/" /root/.bashrc
echo 'syntax on' > /root/.vimrc
conf}
#将yum源更改为中科大源
pro_changemirr()
{
mv /pos.po $po.save
wget -P /pos.d mirrors.sohu/repos/$SYS_po
}
#安装必须的软件
pro_sysyum()
{
yum -y install zlib-devel ncurses-devel gd-devel libpng-devel libjpeg-devel freetype-devel \
libxml2-devel curl-devel libtool ntp vim-enhanced gcc gcc-c++ \
flex bison autoconf automake bzip2-devel kernel net-snmp
}
#设置时间同步
pro_timentp()
{
echo "5 * * * * /usr/sbin/ntpdate time.windows" >> /var/spool/cron/root
service crond restart
}
#添加用户
pro_useradd()
{
NEWUSER=test
useradd $NEWUSER -u 21345
echo test123 |passwd $NEWUSER --stdin
sed -i 's#test:x:21345:21345#test:x:0:21345#' /etc/passwd
}
#修改ssh默认端口
pro_sshdset()
{
cp /etc/ssh/sshd_config $confbakdir
sed -i "s/#Port 22/Port 12345/" /etc/ssh/sshd_config
sed -i "s/#UseDNS yes/UseDNS no/" /etc/ssh/sshd_config
# sed -i "s/#ListenAddress 0.0.0.0/ListenAddress $LAN_IP/" /etc/ssh/sshd_config
}
#关闭selinux
pro_iptables()
{
sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/sysconfig/selinux
sed -i "s/-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT/-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 12345 -j ACCEPT/" /etc/sysconfig/iptables
}
#添加snmp服务
pro_snmp()
{
mv /etc/f /etc/f.bak
echo "com2sec notConfigUser 127.0.0.1 szpub
com2sec notConfigUser 172.16.21.118 szpub
group notConfigGroup v1 notConfigUser
group notConfigGroup v2c notConfigUser
view systemview included .1.3.6.1.2.1.1
view systemview included .1.3.6.1.2.1.25.1.1
access notConfigGroup "\""""\" any noauth exact all none none
view all included .1 80
syslocation Unknown (edit /etc/f)
syscontact Root <root@localhost> (configure /etc/snmp/f)
proc mountd
proc sendmail 10 1
exec shelltest /bin/sh /tmp/testindex.sh
includeAllDisks 80%
pass .1.3.6.1.4.1.4413.4.1 /usr/bin/ucd5820stat" >> /etc/f
chkconfig snmpd on
sed -i '13a\-A RH-Firewall-1-INPUT -p udp --dport 161 -j ACCEPT' /etc/sysconfig/iptables
}
pro_disaipv6
pro_grubtimeout
pro_changemirr
pro_sysyum
pro_aliasvi
pro_timentp
pro_useradd
pro_tunseroff
pro_sshdset
pro_iptables
pro_snmp
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