添加资源库 - epel, ius(以centos6.5及以上为例)

打开网址https://ius.io/GettingStarted/选择适合操作系统的资源库 

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wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm       
wget https://centos6.iuscommunity.org/ius-release.rpm     
rpm -ivh epel-release-latest-6.noarch.rpm     
rpm -ivh ius-release.rpm

接下来用yum命令,可以安装高版本的php,
yum install php55u php55u-fpm php55u-mysql php55u-redis php55u-mbstring
用yum search xxx来搜索自己所需要的软件如
yum install php55u-pecl-redis安装redis

安装nginx

访问http://nginx.org/en/linux_packages.html可以查看安装nginx最新版本的方法
现在的方法是

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To set up the yum repository for RHEL/CentOS, create the file named /etc/yum.repos.d/nginx.repo with the following contents:
[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/OS/OSRELEASE/$basearch/
gpgcheck=0
enabled=1
Replace “OS” with “rhel” or “centos”, depending on the distribution used, and “OSRELEASE” with “5”, “6”, or “7”, for 5.x, 6.x, or 7.x versions, respectively.

然后执行以下命令

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$ yum install nginx
$ service nginx stop
$ service nginx start

就安装了最新版本的nginx,且启动了

安装swoole扩展

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pecl install swoole
sudo vim /etc/php.ini #在最后加入extension=swoole.so
service php-fpm reload #查看phpinfo可以看到安装好swoole(php -m)

备注

用cat /etc/redhat-release查看centos系统版本号
yum repolist查看操作系统的资源库