ubuntu安装postgresql和使用方法
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<strong>客户端安装</strong><br>
sudo apt-get install postgresql-client<br>
服务器安装<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo apt-get install postgresql postgresql-contrib</div>
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获取Installing PostGIS, procedural languages, client interfaces等插件列表<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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apt-cache search postgres</div>
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Ruby PG gem安装，需要生成Native Extension</p>
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首先安装相应package<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo apt-get install libpq-dev</div>
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找到pg_config所在位置<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo find / -name pg_config</div>
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安装pg gem<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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gem install pg -- --with-pg-config=/usr/bin/pg_config</div>
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<strong>服务器配置</strong><br>
设置postgres用户，用postgres用户登录并修改密码<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo -u postgres psql postgres</div>
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为postgres用户设置密码<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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\password postgres</div>
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<strong>创建新数据库</strong><br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo -u postgres createdb mydb</div>
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<strong>服务器高级设置</strong><br>
创建用户<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo -u postgres createuser --superuser $USER<br>
sudo -u postgres psql<br>
postgres=# \password $USER</div>
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<strong>管理用户及权限</strong></p>
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编辑/etc/postgresql/current/main/postgresql.conf文件用以监听其它网络<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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listen_addresses = '*'</div>
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创建新用户tesdb及该用户所拥有的数据库testdb<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo -u postgres createuser -D -A -P testdb<br>
sudo -u postgres createdb -O testdb testdb</div>
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编辑/etc/postgresql/current/main/pg_hba.conf文件，允许testdb用户远程连接testdb数据库<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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host testdb testdb 0.0.0.0/0 md5</div>
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<strong>重新加载配置</strong><br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo /etc/init.d/postgresql reload</div>
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<strong>重启数据库</strong><br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo /etc/init.d/postgresql restart</div>
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