添加源
Centos 默认官方源中没有nginx 和 php-fpm 所以必须添加第三方源,不然就只能自己编译了。
添加[CentALT]源
在/etc/yum.repo.d 目下创建 alt.ru.repo 文件内容如下:
[CentALT]
name=CentALT Packages for Enterprise Linux 5 - $basearch
baseurl=
enabled=1
gpgcheck=0
启用 EPEL
rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
32系统的用下面命令
rpm -Uvhhttp://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm
安装 nginx +PHP-FPM +eAccelerator +mysql
yum update
yum install
nginx php-fpm php-cli php-pdo php-mysql php-mcrypt php-mbstring php-gd
php-tidy php-xml php-xmlrpc php-pear php-pecl-memcache
php-eaccelerator
配置优化Nginx
修改 /etc/nginx/nginx.cf,下面只列出修改的部分。
#根据CPU 核心processes,VPS下几个核心几个processes,独立服务器可x2
worker_processes 4;
#启用epoll
worker_rlimit_nofile 51200;
events {
worker_connections 51200;
use epoll;
}
#参数调整
sendfile on;
tcp_nopush on;
tcp_nodelay on;
server_tokens off;
keepalive_timeout 50;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 50m;
#fastcgi优化
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 256k;
#开启gzip并优化
gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types text/plain application/x-javascript text/css application/xml;
gzip_vary on;
php-fpm 调整
修改/etc/php-fpm.conf 将max_children 调为20
mysql 调整
修改/etc/my.conf [mysqld] 段加入如下指令
skip-network
skip-innodb
skip-locking
skip-bdb
key_buffer = 16K
max_allowed_packet = 3M
thread_stack = 64K
thread_cache_size = 8
table_cache = 3
query_cache_limit = 1M
query_cache_size = 16M
系统内核调整
在/etc/sysctl.conf 加入
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.ip_local_port_range = 5000 65000
net.ipv4.tcp_max_tw_buckets = 6000
echo “ulimit-SHn65535” >>/etc/rc.local
styctl -p
开启服务并设置系统启动默认启动
ulimit-SHn65535
/etc
/init.d
/nginx start
/etc
/init.d
/php-fpm start
/etc
/init.d
/mysqld start
chkconfig nginx on
chkconfig php-fpm on
chkconfig mysqld on
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