综合架构

综合架构准备工作：

1.配置yum仓库

rm -rf /etc/yum.repos.d/*
curl -o /etc/yum.repos.d/CentOS-Base.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

2.安装基础软件包

yum install net-tools vim tree htop iftop iotop lrzsz sl wget unzip telnet nmap nc psmisc dos2unix bash-completion bash-completion-extra sysstat rsync nfs-utils httpd-tools -y

3.关闭防火墙firewalld、selinux

 systemctl disable firewalld
 systemctl stop firewalld

4.关闭selinux

sed -i '/^SELINUX=/c SELINUX=disable' /etc/selinux/config

5.调整单个进程最大能打开文件的数量

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

6.修改hosts解析

10.0.0.5    lb01
10.0.0.6    lb02
10.0.0.7    web01
10.0.0.8    web02
10.0.0.9    web03
10.0.0.31   nfs
10.0.0.41   backup
10.0.0.51   db01
10.0.0.61   manager
10.0.0.71   zabbix

7.基于优化后的模板机进行了快照

8.克隆一台新的虚拟机，然后修改IP地址，并修改主机名称

sed -i 's#200#41#g' /etc/sysconfig/network-scripts/ifcfg-eth[01]
systemctl restart network

修改主机名称
hostnamectl set-hostname backup
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