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  • 82) ubuntu 20 安装bind9 的DNS服务器和ntp服务器

    1- dns服务安装

    1.1- 规划

    域名 ip
    k8s.lcom 192.168.1.103
    dns.k8s.lcom 192.168.1.103
    ntp 192.168.1.103

    1.2- 安装

    #安装dns服务
    apt -y install bind9 dnsutils
    
    mkdir -p /etc/bind/k8s.lcom/ #dns配置文件文件夹
    echo 'include "/etc/bind/k8s.lcom/k8s.lcom.zones";' >> /etc/bind/named.conf
    
    ##配置zones文件
    cat << EOF > /etc/bind/k8s.lcom/k8s.lcom.zones
    zone "k8s.lcom" IN {
        type master;
        file "/etc/bind/k8s.lcom/k8s.lcom";
        allow-update { localhost ;};
    };
    EOF
    
    ##配置正向查询文件
    cat << EOF > /etc/bind/k8s.lcom/k8s.lcom;
    $TTL 8D
    @ IN SOA @ k8s.lcom. (
            2020062101
            1D
            1H
            1W
            3H )
     
        NS @
        A   192.168.1.103
    dns A   192.168.1.103
    ntp A   192.168.1.103
    EOF
    ###每次增加就只需要在该文件最后增加一行即可。如在 www A 1.1.1.1
    
    chgrp  -R bind /etc/bind/k8s.lcom
    systemctl restart bind9
    systemctl enable bind9
    ## 验证
    nslookup ntp.k8s.lcom 127.0.0.1
    Server:		127.0.0.1
    Address:	127.0.0.1#53
    
    Name:	ntp.k8s.lcom
    Address: 192.168.1.103
    
    
    ##使用短dns名
    echo -e "search k8s.lcom
    nameserver 192.168.1.103" > /etc/resolv.conf
    ##验证
    nslookup ntp
    Server:		192.168.1.103
    Address:	192.168.1.103#53
    
    Name:	ntp.k8s.lcom
    Address: 192.168.1.103
    

    2- NTP服务器

    apt-get install ntp ntpdata -y
    echo "restrict 192.168.0.0 mask 255.255.0.0 nomodify" >>/etc/ntp.conf #允许同步的网络地址
    systemctl restart ntp #重启服务
    systemctl enable ntp
    
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  • 原文地址:https://www.cnblogs.com/lemanlai/p/13195193.html
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