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pgwatch详细安装和测试安装时一直出错,但是网上又搜不到任何文档决定自己写一篇详细的安装文档。1.下载pgwatch,我这里我用的版本是1.0,下载地址如下:wget http://www.cybertec.at/download/pgwatch/pgwatch-1.0.tar.gz2.解压并打开README文件,查看安装所需,这里的安装就不详细讲解tar -zxvf pgwatch-1.0.tar.gzvim README------------------------------------------------------------Requirements:------------- You will need a handful of components to make this work:         - Apache (webserver)                                                   # apache用作web服务器        - PHP 5  (scripting language)                                              # php5版本        - pgsql extension for PHP (see http://www.php.net/manual/en/book.pgsql.php)      # postgresql的php客户端        - PostgreSQL 9 (to store the data we collect)                                  # postgresql支持最低版本为9        - dblink (contribution module for PostgreSQL 9)                                # 需要安装dblink(并非默认安装)         - For now we only support PostgreSQL >= 9.0 databases.          Older systems cannot be monitored, however, we will          add support for future database releases. 
 3.首先把你刚刚解压的文件夹,放在apache的目录下。(这里要注意的是要设置好文件夹的权限)4.检测是否安装postgresql的php客户端,如果没有可以直接用yum安装:yum installphp-pgsql.i386(我的是32位,同学们可以自己用yum search搜索下,之后重启apache)检测是否安装脚本(php):// Connecting, selecting database$dbconn = pg_connect("host=192.168.30.200 port=5434 dbname=lengzijian user=postgres password=123456")    or die("Could not connect: " . pg_last_error()); // Performing SQL query$query = "SELECT * FROM t_user limit 10";$result = pg_query($query) or die("Query failed: " . pg_last_error()); // Printing results in HTMLecho "<table> ";while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {    echo " <tr> ";    foreach ($line as $col_value) {        echo " <td>$col_value</td> ";    }    echo " </tr> ";}echo "</table> "; // Free resultsetpg_free_result($result); // Closing connectionpg_close($dbconn);?>
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