在aws ec2 使用php mail功能寄信(ubuntu 14.04)

1.確認port 25沒被擋:

在VPC中的subnets與Security Groups確認SMTP (25) outbound 是否有開啟？

2.安裝 snedmail:

sudo apt-get install sendmail


參考資料:
http://stackoverflow.com/questions/19858457/send-mail-using-amazon-ec2-instance

mac OSX 10.10 安裝PHP pcntl extension

1.抓取php 5.5.14 source code

http://tw1.php.net/get/php-5.4.24.tar.bz2/from/a/mirror

2.Build the PHP pcntl extension

tar -jxvf  PHP-5.5.14.tar.bz2

cd php-5.5.14/ext/pcntl/

/usr/bin/phpize

./configure

make

sudo make install

3.Enable the extension

編輯 /etc/php.ini  並加入

extension=pcntl.so

4.Restart apache
 
sudo /usr/sbin/apachectl restart

mac OSX 10.9安裝PHP extension

1.抓取php 5.4.24 source code

http://tw1.php.net/get/php-5.4.24.tar.bz2/from/a/mirror

2.Build the PHP XXX extension

cd ~/Downloads
unzip PHP-5.4.17.zip
cd php-src-PHP-5.4.17/ext/XXX/
/usr/bin/phpize
./configure
make
sudo make install

3.Enable the extension

編輯 /etc/php.ini file 並加入
extension=XXX.so

4.Restart apache

Install pcntl extension on ubuntu 14.04

1.抓php source code來編譯pcntl.so

mkdir tmp/phpsource
cd /tmp/phpsource
apt-get source php5
cd /tmp/phpsource/php5-*/ext/pcntl
phpize
./configure
make


2.將編好的pcntl.so複製到php lib裡

cd modules
cp pcntl.so /usr/lib/php5//


3.新增pcntl.ini

vi /etc/php5/mods-available/pcntl.ini
加入下列此行
extension=pcntl.so

4.link to mods-available/

cd /etc/php5/apache2/conf.d
ln -s /etc/php5/mods-available/pcntl.ini 20-pcntl.ini


5.編輯php.ini.

memory_limit  = 256M
找到下列這行，並再前方加上;(註解掉此行)
disable_functions = pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,

Install Apache + PHP on Ubuntu 14.04

1.更新apt-get
sudo apt-get update

2.安裝apache
sudo apt-get install apache2 libapache2-mod-auth-mysql


3.安裝php以及所需extension：
sudo apt-get install php5 php5-mysql php5-mcrypt php5-curl


4.重開apache service
sudo service apache2 restart


其他一些常用設定路徑:
1.Configuration File Path
/etc/php5/apache2/php.ini

2.Loaded Configuration File
/etc/apache2/apache2.conf

3.The default Ubuntu document root
/var/www/html

By default, Ubuntu does not allow access through the web browser to any file apart of those located in/var/www, public_html directories (when enabled) and /usr/share (for web applications). If your site is using a web document root located elsewhere (such as in /srv) you may need to whitelist your document root directory in /etc/apache2/apache2.conf.

The default Ubuntu document root is /var/www/html. You can make your own virtual hosts under /var/www. This is different to previous releases which provides better security out of the box.

A tricky and easy Multi-thread method on PHP

分成兩個檔案來達成

parent.php : 在for loop中，利用image tag 產生子thread，以及透過get method傳遞參數。

client.php : child thread