我一直在努力让PowerDNS在最新的CentOS 7 x64上运行。
除了Nginx之外,所有内容都遵循本指南,因为我正在使用Apache:https://www.rosehosting.com/blog/install-powerdns-and-on-a-centos-7-vps/
防火墙被禁用。SELinux被设置为仅监视。
下面是我的数据库,请注意,PowerDNS的web管理工作得很好。
但是,在任何dig尝试中,我都会失败。请参阅下面的数据库输出和pdns conf。
请帮我弄清楚是怎么回事!
注意,我使用了BIND,它运行得很好,但是我想要一个数据库驱动的DNS系统,所以我试图让PDNS工作。绑定在这些测试期间停止,从netstat输出可以看到这一点。
版本:
# pdns_control version
3.4.7数据库信息:
MariaDB [powerdns]> show tables;
+--------------------+
| Tables_in_powerdns |
+--------------------+
| domains |
| migrations |
| perm_items |
| perm_templ |
| perm_templ_items |
| records |
| records_zone_templ |
| supermasters |
| users |
| zone_templ |
| zone_templ_records |
| zones |
+--------------------+
MariaDB [powerdns]> select * from domains;
+----+----------------------+--------+------------+--------+-----------------+---------+
| id | name | master | last_check | type | notified_serial | account |
+----+----------------------+--------+------------+--------+-----------------+---------+
| 2 | example.com | NULL | NULL | MASTER | NULL | NULL |
+----+----------------------+--------+------------+--------+-----------------+---------+
MariaDB [powerdns]> select * from records;
+----+-----------+------------------+------+--------------------------------------------------------------------------+-------+------+-------------+
| id | domain_id | name | type | content | ttl | prio | change_date |
+----+-----------+------------------+------+--------------------------------------------------------------------------+-------+------+-------------+
| 5 | 2 | example.com | SOA | ns1.example.com noreply@example.com 2016012205 28800 7200 604800 86400 | 86400 | 0 | 1453430301 |
| 6 | 2 | example.com | A | | 86400 | 0 | 1453430985 |
| 7 | 2 | mail.example.com | A | 123.123.123.123 | 86400 | 0 | 1453430985 |
| 8 | 2 | ns1.example.com | A | 123.123.123.123 | 86400 | 0 | 1453430985 |
+----+-----------+------------------+------+--------------------------------------------------------------------------+-------+------+-------------+任何记录的挖掘输出:
# dig @127.0.0.1
; <<>> DiG 9.9.4-RedHat-9.9.4-29.el7_2.1 <<>> @127.0.0.1
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 3023
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1680
;; QUESTION SECTION:
;. IN NS
;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Jan 22 18:10:21 EST 2016
;; MSG SIZE rcvd: 28PDNS Config:
# nano /etc/pdns/pdns.conf:
setuid=pdns
setgid=pdns
launch=gmysql
gmysql-host=localhost
gmysql-user=powerdns
gmysql-password=lolololol
gmysql-dbname=powerdnsNETSTAT产出:
# netstat -tap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 localhost:cslistener 0.0.0.0:* LISTEN 950/php-fpm: master
tcp 0 0 0.0.0.0:mysql 0.0.0.0:* LISTEN 1783/mysqld
tcp 0 0 0.0.0.0:ndmp 0.0.0.0:* LISTEN 2561/perl
tcp 0 0 0.0.0.0:domain 0.0.0.0:* LISTEN 12283/pdns_server
tcp 0 0 0.0.0.0:8822 0.0.0.0:* LISTEN 1233/sshd
tcp 0 0 localhost:smtp 0.0.0.0:* LISTEN 1826/master
tcp6 0 0 [::]:http [::]:* LISTEN 900/httpd
tcp6 0 0 [::]:8821 [::]:* LISTEN 15532/vsftpd
tcp6 0 0 [::]:8822 [::]:* LISTEN 1233/sshd
tcp6 0 0 localhost:smtp [::]:* LISTEN 1826/master
# netstat -uap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 0.0.0.0:ndmp 0.0.0.0:* 2561/perl
udp 0 0 0.0.0.0:domain 0.0.0.0:* 12283/pdns_server
udp 0 0 0.0.0.0:bootpc 0.0.0.0:* 1028/dhclient
udp 0 0 localhost:323 0.0.0.0:* 621/chronyd
udp 0 0 0.0.0.0:13651 0.0.0.0:* 1028/dhclient
udp6 0 0 localhost:323 [::]:* 621/chronyd
udp6 0 0 [::]:50691 [::]:* 1028/dhclient发布于 2016-01-24 00:49:42
我设置了一个syslog服务器来检查日志,发现如下: Jan 23 18:15:09 s01 pdns27536:后端错误: GSQLBackend查找查询:执行mysql_query失败,可能连接失效了?Err=1:“字段列表”中的未知列“禁用”
这导致一种建议,即所使用的数据库架构可能不正确。我删除了所有表,并从下面的这两个页面导入了部分MySQL模式,然后重新启动pdns服务,它就可以工作了!https://github.com/poweradmin/poweradmin/blob/master/sql/poweradmin-mysql-db-structure.sql https://doc.powerdns.com/md/authoritative/installation/
https://unix.stackexchange.com/questions/257126
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