[root@localhost ~]# yum install php-pecl-mongo mongodb mongodb-devel mongodb-server 

[root@localhost ~]# cat /etc/mongodb.conf |awk '{if($0 !~ /^$/ && $0 !~ /^#/) {print $0}}' 
logpath=/var/log/mongodb/mongodb.log 
fork = true 
logappend=true 
dbpath=/var/lib/mongodb 
pidfilepath=/var/run/mongodb/mongodb.pid 
master = true 
source = 192.168.1.108 

[root@localhost lib]# mkdir -p /var/lib/mongodb 
[root@localhost lib]# chown mongodb:mongodb -R /var/lib/mongodb/ 

[root@localhost ~]# cat /etc/mongodb.conf |awk '{if($0 !~ /^$/ && $0 !~ /^#/) {print $0}}' 
logpath=/var/log/mongodb/mongodb.log 
logappend=true 
fork = true 
port = 27017 
dbpath=/var/lib/mongodb 
pidfilepath=/var/run/mongodb/mongodb.pid 
slave = true 
source = 192.168.1.5 

[root@localhost lib]# mkdir -p /var/lib/mongodb 
[root@localhost lib]# chown mongodb:mongodb -R /var/lib/mongodb/ 

[root@localhost www]# /etc/init.d/mongod start 

<?php 
$m = new Mongo(); 
$db = new MongoDB($m, 'mydbname'); 
$log = $db->createCollection("logger", true, 10*1024, 10); 
 
for ($i = 0; $i < 5; $i++) { 
 $log->insert(array("level" => WARN, "msg" => "张映 log message #$i", "ts" => new MongoDate())); 
} 
 
$msgs = $log->find(); 
 
foreach ($msgs as $msg) { 
 echo $msg['msg']."<br>"; 
} 
$dbs = $m->listDBs(); 
 
print_r($dbs); 
 
?> 

<?php 
$m = new Mongo(); 
$db = new MongoDB($m, 'mydbname'); 
$log = $db->createCollection("logger", true, 10*1024, 10); 
 
$msgs = $log->find(); 
 
foreach ($msgs as $msg) { 
 echo $msg['msg']."<br>"; 
} 
$dbs = $m->listDBs(); 
 
print_r($dbs); 
 
?> 

[root@localhost www]# ll /var/lib/mongodb/