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@commoccoom
同hg255d

```
dmesg

Write of 84 bytes at 0x00580fb4 failed. returned -5, retlen 30
Write of 84 bytes at 0x00581006 failed. returned -5, retlen 0
Not marking the space at 0x00581006 as dirty because the flash driver returned retlen zero
Write of 57 bytes at 0x00581006 failed. returned -5, retlen 0
Not marking the space at 0x00581006 as dirty because the flash driver returned retlen zero
Write of 57 bytes at 0x00581006 failed. returned -5, retlen 0
Not marking the space at 0x00581006 as dirty because the flash driver returned retlen zero
Write of 188 bytes at 0x00581006 failed. returned -5, retlen 0
```

出现的状况是，一段时间内读写太多次闪存。
我折中解决办法是写启动脚本，把需要运行的应用存VPS上，开机连接网络后下载回tmpfs里，改权限后再运行。

2014-08-28 14:56:07 +08:00

回复了 csensix 创建的主题问与答 PHP 与 Linux 主机之间安全通信

@csensix

i@i7:/tmp$ cat test.php
<?php
$fp = fsockopen ("udp://127.0.0.1",40030,$errno,$errstr,30);
if(!$fp){
echo "$errstr ($errno) <br />";
}else{
fwrite($fp,"Hello nc");
echo "Success\n";
fclose($fp);
}
?>

i@i7:/tmp$ php test.php
Success

root@i7:~# nc -vulp 40030
listening on [any] 40030 ...
connect to [127.0.0.1] from localhost [127.0.0.1] 39976
Hello nc^C

#检查是否防火墙没有放行

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