rhce-爱代码爱编程

2024-01-17 分类: linux GitHub centos

配置dns主从服务器

#环境准备

[root@server ~]# systemctl stop firewalld
[root@server ~]# setenforce 0

#安装软件

[root@server ~]# yum install bind -y

/etc/named.conf # bind主配置文件
/var/named/slaves # 从dns服务器文件夹

#主服务器配置
(ip:192.168.129.135)

[root@server ~]# vim /etc/named.conf

options {
        listen-on port 53 { 192.168.129.135; };
        listen-on-v6 port 53 { ::1; };
        directory       "/var/named";
        allow-query     { any; };
        allow-transfer { 192.168.129.134; };  #允许对该IP的客户机进行传输

#配置正向解析域
zone "baidu.com" IN {
        type master;
        file "named.baidu.com";
};

#配置反向解析域
zone "129.168.192.in-addr.arpa" IN {
        type master;
        file "named.192.168.129.131";

};



#正向区域文件
[root@server ~]# vim /var/named/named.baidu.com

$TTL 1D
@       IN      SOA     @       admin.admin.com         (2024011400
                                                                1M
                                                                1M
                                                                1M
                                                                3M)

        IN      NS      dns.baidu.com.
dns     IN      A       192.168.129.135
www     IN      A       192.168.129.111
ftp     IN      A       192.168.129.123
a       IN      A       192.168.129.100
aaa     IN      CNAME   a



#反向区域文件

[root@server ~]# vim /var/named/named.192.168.129.131

$TTL 1D
@       IN      SOA     @       admin.admin.com.        (2024011501
                                                         1D
                                                         1H
                                                         1W
                                                         3H)
                NS      dns.baidu.com.

135     IN      PTR     dns.baidu.com.
134     IN      PTR     ns.baidu.com.
111     IN      PTR     www.baidu.com.
100     IN      PTR     a.baidu.com.

#重启软件
[root@server ~]# systemctl restart named



从服务器配置

#环境准备
#关闭防火墙

#安装软件包
[root@client ~]# yum install bind -y

[root@client ~]# vim /etc/named.conf

options {
        listen-on port 53 { 192.168.129.135; };
        listen-on-v6 port 53 { ::1; };
        directory       "/var/named/";

zone "baidu.com" IN {
        type slave;
        file "named.baidu.com";
        masters {192.168.129.135; };
};

zone "129.168.192,in -addr.arpa" IN {
        type slave;
        file "named.192.168.129.131";
        masters { 192.168.129.135 ;};
};



[root@client ~]# vim /etc/resolv.conf

# Generated by NetworkManager
search localdomain
nameserver 192.168.129.135      #设置DNS服务器的IP地址

[root@client ~]# systemctl restart named


#测试
[root@client ~]# host www.baidu.com
www.baidu.com has address 192.168.129.111

[root@client ~]# host 192.168.129.135
135.129.168.192.in-addr.arpa domain name pointer dns.baidu.com.

本文链接：https://blog.csdn.net/zmh_zpp/article/details/135654937

RHCE 第二周作业-爱代码爱编程

2021-10-21 分类: 职场和发展 rhce 学习记录

RHCE 第二周作业 1.创建一个目录 /data2. 创建 user1，user2，user3 三个用户，要求如下：1）user1 家目录在 /data 目录下，该用户的描述为 testuser；2）user2 用户的 uid 应当为 2000 ；3）user3 用户应该使用 /sbin/nologin 这个登陆 shell3. 创建 it