さくらVPSサーバ設定メモ(5)
2011年5月14日続いて、Perl、DNSなど。
- perl
- bind(DNS)
- perl
- モジュールは別途CPANコマンドからインストール
$ sudo yum install perl <ul> <li>mysql</li> </ul> $ sudo yum install mysql mysql-devel mysql-server php-mysql mysql-bench $ sudo vim /etc/my.cnf $sudo /etc/rc.d/init.d/mysqld start $sudo chkconfig mysqld on
- bind(DNS)
- さくらVPSでは、コントロールパネルからDNS設定可能なので通常は不要
$ sudo yum -y install bind caching-nameserver
$ sudo su
# cp /etc/named.caching-nameserver.conf /etc/named.conf
# chgrp named /etc/named.conf
# vim /etc/named.conf
//
// named.caching-nameserver.conf
//
// Provided by Red Hat caching-nameserver package to configure the
// ISC BIND named(8) DNS server as a caching only nameserver
// (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// DO NOT EDIT THIS FILE - use system-config-bind or an editor
// to create named.conf - edits to this file will be lost on
// caching-nameserver package upgrade.
//
options {
version "unknown";
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
// Those options should be used carefully because they disable port
// randomization
// query-source port 53;
// query-source-v6 port 53;
allow-query { any; };
allow-query-cache { localhost; };
forwarders{
xxx.xxx.xxx.xxx; // forwardするDNSサーバのIPを指定
};
allow-transfer {
127.0.0.1;
};
blackhole{
};
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
// named.rfc1912.zones:
//
// Provided by Red Hat caching-nameserver package
//
// ISC BIND named zone configuration for zones recommended by
// RFC 1912 section 4.1 : localhost TLDs and address zones
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
zone "." IN {
type hint;
file "named.ca";
};
zone "localdomain" IN {
type master;
file "localdomain.zone";
allow-update { none; };
};
zone "localhost" IN {
type master;
file "localhost.zone";
allow-update { none; };
};
zone "0.0.127.in-addr.arpa" IN {
type master;
file "named.local";
allow-update { none; };
};
zone "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
type master;
file "named.ip6.local";
allow-update { none; };
};
zone "255.in-addr.arpa" IN {
type master;
file "named.broadcast";
allow-update { none; };
};
zone "0.in-addr.arpa" IN {
type master;
file "named.zero";
allow-update { none; };
};
//
// example.com
//
zone "example.com" IN {
type master;
file "example.com.zone";
allow-update { none; };
};
zone "xxx.xxx.xxx.in-addr.arpa" IN {
type master;
file "xxx.xxx.xxx.in-addr.arpa";
allow-update { none; };
};
- root(dns)
# sudo dig . ns @198.41.0.4 > /var/named/chroot/var/named/named.ca zone(a)
- ドメインゾーンファイルの編集
- 正引きゾーン
# vim /var/named/example.com.zone $TTL 3600 @ IN SOA example.com. root.example.com.( 2010031203 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS ns1.example.com. IN MX 10 mail.example.com. @ IN A xxx.xxx.xxx.xxx www IN A xxx.xxx.xxx.xxx ns1 IN A xxx.xxx.xxx.xxx * IN A xxx.xxx.xxx.xxx
- zone(ptr)
- 逆引きゾーン
# vim /var/named/18.212.49.in-addr.arpa $TTL 3600 @ IN SOA ns1.example.com. root.example.com.( 2011031102 ; Serial 7200 ; Refresh 7200 ; Retry 2419200 ; Expire 86400 ) ; Minimum IN NS ns1.example.com. IN MX 10 example.com. ns1 IN A xxx.xxx.xxx.xxx example.com. IN TXT "v=spf1 a mx ~all"
- ゾーンファイルのチェック～サービス再起動
# /usr/sbin/named-checkzone example.com example.com.zone # /usr/sbin/named-checkzone 49.212.18.145 18.212.49.in-addr.arpa # /etc/rc.d/init.d/named restart
- rootゾーン自動更新Shell
# cd /usr/local/sbin/ # vim named.root_update # chmod 700 named.root_update
- resolve.conf設定
$ sudo vim /etc/resolve.conf search sakura.ne.jp nameserver 127.0.0.1 nameserver 210.224.163.3 nameserver 210.224.163.4