LVS
nat服务器(作时间服务器)
root@localhost \~# systemctl stop firewalld
root@localhost \~# setenforce 0
root@localhost \~# yum -y install ntpdate
root@localhost \~# ntpdate cn.ntp.org.cn
root@localhost \~# which ntpdate
root@localhost \~# crontab -e
* 2 * * * /usr/sbin/ntpdate cn.ntp.org.cn
root@localhost \~# yum -y install ntp
root@localhost \~# systemctl start ntpd
root@localhost \~# systemctl enable ntpd
配置规则
root@localhost \~# yum -y install ipvsadm
root@localhost \~# ipvsadm -A -t 192.168.1.43:80 -s rr
root@localhost \~# ipvsadm -A -t 192.168.1.42:80 -s rr
root@localhost \~# ipvsadm -a -t 192.168.1.42:80 -r 192.168.1.40:80 -m
root@localhost \~# ipvsadm -a -t 192.168.1.42:80 -r 192.168.1.41:80 -m
dns服务器
root@localhost \~# yum -y install bind
root@localhost \~# vim /etc/named.conf
listen-on port 53 { 127.0.0.1;any; };
allow-query { localhost;any; };
root@localhost \~# vim /etc/named.rfc1912.zones
zone "yu.feng" IN {
type master;
file "yu.feng.zone";
allow-update { none; };
};
root@localhost \~# cp -p /var/named/named.localhost /var/named/yu.feng.zone
root@localhost \~# vim /var/named/yu.feng.zone
nat A 192.168.1.42
ds A 192.168.1.43
web A 192.168.1.40
web2 A 192.168.1.41
root@localhost \~# systemctl start named
root@localhost \~# yum -y install ntpdate
root@localhost \~# crontab -e
30 2 * * * /usr/sbin/ntpdate 192.168.1.42
root@localhost \~# ntpdate cn.ntp.org.cn
web服务器
root@localhost \~# systemctl stop firewalld
root@localhost \~# setenforce 0
root@localhost \~# yum -y install nginx
root@localhost \~# nginx
root@localhost \~# yum -y install ntpdate
root@localhost \~# crontab -e
30 2 * * * /usr/sbin/ntpdate 192.168.1.42
root@localhost \~# ntpdate cn.ntp.org.cn