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CentOS 7 详细教程:编译安装最新版 LNMP 环境,优化网站性能与安全

由于公司要求需要最新版的ZABBIX2.4.4需要最新版的系统CENTOS7和新版的LNMP环境,所以本人摸索着使用新版的环境搭建了LNMP系统,环境版本如下:

  • 系统:CentOS 7 x86_64
  • NGINX:nginx-1.7.12
  • 数据库:mariadb-10.0.13
  • PHP:php-5.5.23

首先做一些准备工作,先把centos7的防火墙更换成iptables,可以参见如下链接

centos7防火墙设置iptables

修改成iptables之后就可以清空iptables里面的过滤规则了,然后再关闭selinux服务。记得不要忘了先安装gcc gcc-c++ wget net-tools等功能哦。

首先安装mariadb

应为数据库编译需要很长时间,所以我这里下载的是已经编译好了的二进制包,下载版本为 mariadb-10.0.13-linux-glibc_214-x86_64.tar.gz

1、下载二进制包到/usr/local/src 目录下:

代码如下: [root@centos74 ~]# cd /usr/local/src/

[root@centos74 src]# wget http://ftp.osuosl.org/pub/mariadb/mariadb-10.0.13/bintar-quantal-amd64/mariadb-10.0.13-linux-glibc_214-x86_64.tar.gz[/code]

2、将压缩包解压到/usr/local 目录下:

[code][root@centos74 src]# tar zvxf mariadb-10.0.13-linux-glibc_214-x86_64.tar.gz -C /usr/local/

3、创建mariadb 数据初始化目录/data/mysql:

代码如下: [root@centos74 src]# mkdir -p /data/mysql

4、添加系统用户mysql,禁止登陆系统,同时,将mariadb 数据初始化目录所属主和组都修改为mysql:

代码如下: [root@centos74 src]# useradd -r -s /sbin/nologin mysql ;chown -R mysql.mysql /data/mysql/

5、重命名解压出来的mariadb 目录:

代码如下: [root@centos74 src]# mv /usr/local/mariadb-10.0.13-linux-x86_64/ /usr/local/mysql

6、进入重命名后的目录,初始化mariadb:

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 [root@centos74 src] # cd /usr/local/mysql/ [root@centos74 mysql] # ./scripts/mysql_install_db --datadir=/data/mysql --user=mysql Installing MariaDB /MySQL system tables in '/data/mysql' ... 140906 2:03:19 [Note] InnoDB: Using mutexes to ref count buffer pool pages 140906 2:03:19 [Note] InnoDB: The InnoDB memory heap is disabled 140906 2:03:19 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 140906 2:03:19 [Note] InnoDB: Compressed tables use zlib 1.2.3 140906 2:03:19 [Note] InnoDB: Using Linux native AIO 140906 2:03:19 [Note] InnoDB: Using CPU crc32 instructions 140906 2:03:19 [Note] InnoDB: Initializing buffer pool, size = 128.0M ........................................................................ The latest information about MariaDB is available at http: //mariadb .org/. You can find additional information about the MySQL part at: http: //dev .mysql.com Support MariaDB development by buying support /new features from SkySQL Ab. You can contact us about this at sales@skysql.com. Alternatively consider joining our community based development effort: http: //mariadb .com /kb/en/contributing-to-the-mariadb-project/

报错:WARNING: The host ‘test4’ could not be looked up with resolveip.
解决办法:vim /etc/hosts 在最后一行添加192.168.1.242 test4

报错:./bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解决办法:yum -y install libaio-devel libaio

7、复制配置文件到/etc目录覆盖之前的my.cnf:

代码如下: [root@centos74 mysql]# cp support-files/my-large.cnf /etc/my.cnf

cp:是否覆盖”/etc/my.cnf”? y

8、复制mysql 启动脚本文件到/etc/init.d 目录下并重命名为mysqld:

代码如下: [root@centos74 mysql]# cp support-files/mysql.server /etc/init.d/mysqld

同时修改启动脚本的权限为755:

代码如下: [root@centos74 mysql]# chmod 755 !$

chmod 755 /etc/init.d/mysqld

 

9、编辑启动脚本,定义datadir 路径:

 

复制代码 代码如下: [root@centos74 mysql]# vim /etc/init.d/mysqld

 

定义数据存放路径:
datadir=/data/mysql

10、将mariadb自带命令放入$PATH

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1 2 3 4 [root@localhost ~] # PATH=$PATH:/etc/init.d/#当前有效,重启shell就失效 [root@localhost ~] # echo "export PATH=$PATH:/etc/init.d/" >>/etc/profile [root@localhost ~] # echo "export PATH=$PATH:/usr/local/mysql/bin/" >>/etc/profile [root@localhost ~] # source !$

11、启动mariadb:

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1 [root@centos74 mysql] # /etc/init.d/mysqld start

Starting MySQL. SUCCESS!

第二步,开始安装php

这里要先声明一下,针对Nginx的php安装和针对apache的php安装是有区别的,因为Nginx中的php是以fastcgi的方式结合nginx的,可以理解为nginx代理了php的fastcgi,而apache是把php作为自己的模块来调用的。同样的,php官方下载地址: http://www.php.net/downloads.php

下载php

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1 2 [rot@localhost src] # cd /usr/local/src [root@localhost src] # wget http://am1.php.net/distributions/php-5.5.23.tar.gz

解压php

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1 [root@localhost src] # tar zxf php-5.5.23.tar.gz

创建相关账户

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1 [root@localhost src] # useradd -s /sbin/nologin php-fpm

配置编译参数

 

复制代码 代码如下: [root@localhost src]# cd php-5.5.23

[root@localhost src]# yum -y install gcc make gd-devel libjpeg-devel libpng-devel libxml2-devel bzip2-devel libcurl-devel

[root@localhost php-5.5.23]# ./configure –prefix=/usr/local/php –with-config-file-path=/usr/local/php/etc –enable-fpm –with-fpm-user=php-fpm –with-fpm-group=php-fpm –with-mysql=mysqlnd  –with-pdo-mysql=mysqlnd –with-mysqli=mysqlnd –with-libxml-dir –with-gd –with-jpeg-dir –with-png-dir –with-freetype-dir –with-iconv-dir –with-zlib-dir –with-mcrypt –enable-soap –enable-gd-native-ttf –enable-ftp –enable-mbstring –enable-exif –disable-ipv6 –with-pear –with-curl –enable-bcmath –enable-mbstring –enable-sockets –with-gd –with-libxml-dir=/usr/local –with-gettext

 

错误:configure: error: xml2-config not found. Please check your libxml2 installation.
解决办法:yum -y install libxml2-devel

错误:configure: error: Please reinstall the libcurl distribution -easy.h should be in <curl-dir>/include/curl/
解决办法:yum -y install libcurl-devel

错误:configure: error: jpeglib.h not found.
解决办法:yum -y install libjpeg-turbo-devel

错误:configure: error: png.h not found.
解决办法:yum -y install libpng-devel

错误:configure: error: freetype-config not found.
解决办法:configure: error: mcrypt.h not found. Please reinstall libmcrypt.

错误:configure: error: mcrypt.h not found. Please reinstall libmcrypt.
解决办法:yum -y install libmcrypt-devel

安装php

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1 [root@localhost php-5.3.27] # make && make install

以上每一个步骤,如果没有完全执行正确,那么下一步是无法进行的,使用 echo $? 看结果是否为 “0” , 如果不是,就是没有执行正确。

修改配置文件

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1 2 cp php.ini-production /usr/local/php/etc/php .ini vim /usr/local/php/etc/php-fpm .conf

把如下内容写入该文件:

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 [global] pid = /usr/local/php/var/run/php-fpm.pid error_log = /usr/local/php/var/log/php-fpm.log [www] listen = /tmp/php-fcgi.sock user = php-fpm group = php-fpm listen.owner = nobody listen.group = nobody pm = dynamic pm.max_children = 50 pm.start_servers = 20 pm.min_spare_servers = 5 pm.max_spare_servers = 35 pm.max_requests = 500 rlimit_files = 1024

保存配置文件后,检验配置是否正确的方法为:

/usr/local/php/sbin/php-fpm -t

如果出现诸如 “test is successful” 字样,说明配置没有问题。

启动php-fpm

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1 2 3 cp /usr/local/src/php-5 .5.23 /sapi/fpm/init .d.php-fpm /etc/init .d /php-fpm chmod 755 /etc/init .d /php-fpm service php-fpm start

如果想让它开机启动,执行:

chkconfig php-fpm on

检测是否启动:

ps aux |grep php-fpm

看看是不是有很多个进程(大概20多个)。

安装nginx

下载nginx

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1 2 cd /usr/local/src/ wget http: //nginx .org /download/nginx-1 .7.12. tar .gz

解压nginx

tar zxvf nginx-1.7.12.tar.gz

配置编译参数

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1 2 3 4 5 6 7 8 cd nginx-1.7.12 . /configure \ --prefix= /usr/local/nginx \ --with-http_realip_module \ --with-http_sub_module \ --with-http_gzip_static_module \ --with-http_stub_status_module \ --with-pcre

报错:./configure: error: the HTTP rewrite module requires the PCRE library.
解决办法:yum -y install pcre-devel

报错:./configure: error: the HTTP gzip module requires the zlib library.
解决办法:yum install -y zlib-devel

编译nginx

make

安装nginx

make install

编写nginx启动脚本,并加入系统服务

vim /etc/init.d/nginx

写入如下内容:

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 #!/bin/bash # chkconfig: - 30 21 # description: http service. # Source Function Library . /etc/init.d/functions # Nginx Settings   NGINX_SBIN="/usr/local/nginx/sbin/nginx" NGINX_CONF="/usr/local/nginx/conf/nginx.conf" NGINX_PID="/usr/local/nginx/logs/nginx.pid" RETVAL=0 prog="Nginx"   start() {      echo -n $"Starting $prog: "      mkdir -p /dev/shm/nginx_temp      daemon $NGINX_SBIN -c $NGINX_CONF      RETVAL=$?      echo      return $RETVAL }   stop() {      echo -n $"Stopping $prog: "      killproc -p $NGINX_PID $NGINX_SBIN -TERM      rm -rf /dev/shm/nginx_temp      RETVAL=$?      echo      return $RETVAL }   reload(){      echo -n $"Reloading $prog: "      killproc -p $NGINX_PID $NGINX_SBIN -HUP      RETVAL=$?      echo      return $RETVAL }   restart(){      stop      start }   configtest(){    $NGINX_SBIN -c $NGINX_CONF -t    return 0 }   case "$1" in   start)      start      ;;   stop)      stop      ;;   reload)      reload      ;;   restart)      restart      ;;   configtest)      configtest      ;;   *)      echo $"Usage: $0 {start|stop|reload|restart|configtest}"      RETVAL=1 esac   exit $RETVAL

保存后,更改权限:

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1 2 chmod 755 /etc/init .d /nginx chkconfig --add nginx

如果想开机启动,请执行:

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1 chkconfig nginx on

更改nginx配置

首先把原来的配置文件清空:

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1 > /usr/local/nginx/conf/nginx .conf

“>” 这个符号为重定向的意思,单独用它,可以把一个文本文档快速清空。

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1 vim /usr/local/nginx/conf/nginx .conf

写入如下内容:

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 user nobody nobody; worker_processes 2; error_log /usr/local/nginx/logs/nginx_error.log crit; pid /usr/local/nginx/logs/nginx.pid; worker_rlimit_nofile 51200;   events {    use epoll;    worker_connections 6000; }   http {    include mime.types;    default_type application/octet-stream;    server_names_hash_bucket_size 3526;    server_names_hash_max_size 4096;    log_format combined_realip '$remote_addr $http_x_forwarded_for [$time_local]'    '$host "$request_uri" $status'    '"$http_referer" "$http_user_agent"' ;    sendfile on;    tcp_nopush on;    keepalive_timeout 30;    client_header_timeout 3m;    client_body_timeout 3m;    send_timeout 3m;    connection_pool_size 256;    client_header_buffer_size 1k;    large_client_header_buffers 8 4k;    request_pool_size 4k;    output_buffers 4 32k;    postpone_output 1460;    client_max_body_size 10m;    client_body_buffer_size 256k;    client_body_temp_path /usr/local/nginx/client_body_temp;    proxy_temp_path /usr/local/nginx/proxy_temp;    fastcgi_temp_path /usr/local/nginx/fastcgi_temp;    fastcgi_intercept_errors on;    tcp_nodelay on;    gzip on;    gzip_min_length 1k;    gzip_buffers 4 8k;    gzip_comp_level 5;    gzip_http_version 1.1;    gzip_types text/plain application/x-javascript text/css text/htm application/xml;   server {    listen 80;    server_name localhost;    index index.html index.htm index.php;    root /usr/local/nginx/html;      location ~ \.php$ {      include fastcgi_params;      fastcgi_pass unix:/tmp/php-fcgi.sock;      fastcgi_index index.php;      fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html $fastcgi_script_name ;    }   }   }

保存配置后,先检验一下配置文件是否有错误存在:

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1 /usr/local/nginx/sbin/nginx -t

如果显示内容如下,则配置正确,否则需要根据错误提示修改配置文件:

nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful

启动nginx:

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1 service nginx start

如果不能启动,请查看 “/usr/local/nginx/logs/error.log” 文件,检查nginx是否启动:

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1 ps aux | grep nginx

看是否有进程。

测试是否解析php文件

创建测试文件:

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1 vim /usr/local/nginx/html/2 .php

内容如下:

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1 <?php echo phpinfo();?>

测试:

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1 [root@localhost nginx] # curl localhost/2.php

或者使用浏览器打开http://YourServerIPAddress/2.php

重要:如果解析不了,检查日志发现连接不到php,我的php版本为5.5.23,比较新的版本,需要在php/etc/php-fpm.conf文件中添加

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1 2 listen.owner = nobody listen.group = nobody

这两行,再重启一下服务就能使用php了

原因是/tmp/php-fcgi.sock这个文件没有读权限

至此,最新版的LNMP环境源码编译安装完成了

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