Centos7简单初始化脚本
#!/bin/bash#################
#################
. ./check_os.sh
if [ $(id -u) != "0" ] ; then
printf "Error:You must be root to run this script!\n"
exit 1
fi
[ "${CentOS_ver}" == '7' ] && [ "$(systemctl is-active NetworkManager.service)" == "inactive" ]
#关闭selinux
setenforce 0
sed -i 's/^SELINUX=.*$/SELINUX=disabled/' /etc/selinux/config
#修改yum源地址
yum install -y wget curl
wgethttp://mirrors.aliyun.com/repo/Centos-7.repo
mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo_back
mv Centos-7.repo/etc/yum.repos.d/CentOS-Base.repo
yum clean all
yum makecache
yum update
#命令别名
cat > /etc/profile.d/alias.sh > /etc/security/limits.conf/etc/profile
#初始化系统时区
rm -rf /etc/localtime
ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
# /etc/sysctl.conf
[ ! -e "/etc/sysctl.conf_bk" ] && /bin/mv /etc/sysctl.conf{,_bk}
cat > /etc/sysctl.conf /dev/null 2>&1
apt-get -y install vim ntpdate locales >/dev/null 2>&1
echo "Installation system tools.------->OK"
#更新时间
ntpdate cn.pool.ntp.org >/dev/null 2>&1
#停止无用的服务
#/etc/init.d/exim4 stop >/dev/null 2>&1
#/etc/init.d/nfs-common stop >/dev/null 2>&1
#/etc/init.d/portmap stop >/dev/null 2>&1
##
#systemctlstop portmap >/dev/null 2>&1
#systemctlstop exim4 >/dev/null 2>&1
#systemctlstop nfs-common >/dev/null 2>&1
#chkconfig --del exim4 && chkconfig exim4 off >/dev/null 2>&1
#chkconfig --del portmap && chkconfig exim4 off >/dev/null 2>&1
#chkconfig --del nfs-common&& chkconfig exim4 off >/dev/null 2>&1
#设置回话自动超时
echo "export TMOUT=300">>/etc/profile
#设置登陆提示
echo "nginx_111" > /etc/issue
echo "nginx_111" > /etc/redhat-release
echo "本机仅限本公司员工使用否则追究法律责任" >/etc/motd
#安装SendEmail发送邮件
wget http://caspian.dotconf.net/menu/Software/SendEmail/sendEmail-v1.56.tar.gz
tar xf sendEmail-v1.56.tar.gz
mv sendEmail-v1.56 /data/soft/
#安装chkrootkit命令检测
yum install -y chkrootkit
cat > /data/sh/chkrootkit_everydays.sh /dev/null 2>&1") | crontab
root@centos-mysql01:/data/sh# cat check_os.sh
#!/bin/bash
#######################
######################
#判断系统版本
if [ -e /etc/redhat-release ]; then
OS=CentOS
[ ! -e "$(which lsb_release 2>/dev/null)" ] && { yum -y install redhat-lsb-core; clear; }
system_ver=$(lsb_release -sr | awk -F. '{print $1}')
elif [ -n "$(grep 'bian' /etc/issue)" -o "$(lsb_release -is 2>/dev/null)" == "Debian" ]; then
OS=Debian
[ ! -e "$(which lsb_release 2>/dev/null)" ] && { apt-get -y update; apt-get -y install lsb-release; clear; }
system_ver=$(lsb_release -sr | awk -F. '{print $1}')
elif [ -n "$(grep 'Ubuntu' /etc/issue)" -o "$(lsb_release -is 2>/dev/null)" == "Ubuntu" -o -n "$(grep 'Linux Mint' /etc/issue)" ]; then
OS=Ubuntu
Ubuntu_ver=$(lsb_release -sr | awk -F. '{print $1}')
else
echo "${CFAILURE}Does not support this OS, Please contact the author! ${CEND}"
kill -9 $$
fi
THREAD=$(grep 'processor' /proc/cpuinfo | sort -u | wc -l)
debian和ubunt的后续再写吧
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