1、服务器初始化
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
rm -rf /etc/yum.repos.d/*
#配置yum
curl -o /etc/yum.repos.d/Centos-7.repo http://mirrors.aliyun.com/repo/Centos-7.repo
curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
#关闭防火墙
systemctl disable firewalld
systemctl stop firewalld
# 安装系统性能分析工具及其他、快捷工具
yum install -y gcc make autoconf vim sysstat net-tools iostat if
yum -y install vim bash-completion lrzsz wget net
# 禁止定时任务发送邮件
sed -i 's/^MAILTO=root/MAILTO=""/' /etc/crontab
# 历史命令显示操作时间
echo 'export HISTTIMEFORMAT="%F %T `whoami` "' >> /etc/bashrc
#设置时区和ntp
timedatectl set-timezone Asia/Shanghai
yum -y install ntp
systemctl enable ntpd
systemctl restart ntpd
#重启
reboot