CentOS Linux System builds lamp environment

Preparatory work:

1, configure the firewall, open 80 ports, 3306 ports
Vi/etc/sysconfig/iptables
-A input-m state–state new-m tcp-p tcp–dport 80-j ACCEPT #允许80端口通过防火墙
-A input-m state–state new-m tcp-p tcp–dport 3306-j ACCEPT #允许3306端口通过防火墙

Add the above to the below of the-a input-m state–state new-m tcp-p tcp–dport 22-j ACCEPT

/etc/init.d/iptables Restart #最后重启防火墙使配置生效

2. Turn off SELinux
Vi/etc/selinux/config
#SELINUX =enforcing #注释掉
#SELINUXTYPE =targeted #注释掉
Selinux=disabled #增加
: Wq #保存, close
Shutdown-r now #重启系统

Installation:

First, install Apache

Uninstall your own Httpd:yum remove httpd
Yum Install httpd #根据提示, enter Y to install successfully
/ETC/INIT.D/HTTPD Start #启动Apache

Note: Apache will prompt for errors after booting:
Starting httpd:httpd:Could not reliably determine the server's fully qualif domain name, using:: 1 for ServerName
Workaround:
Vi/etc/httpd/conf/httpd.conf #编辑
Found #ServerName www.example.com:80
Modified to ServerName www.osyunwei.com:80 #这里设置为你自己的域名, if no domain name, can be set to localhost
: wq! #保存退出
Chkconfig httpd on #设为开机启动
/ETC/INIT.D/HTTPD Restart #重启Apache

Second, install MySQL

1. Install MySQL

Uninstall your own MySQL first:

Yum remove MySQL mysql-server mysql-libs compat-mysql51
Rm-rf/var/lib/mysql
Rm/etc/my.cnf

Installation:

Yum install MySQL mysql-server #询问是否要安装, enter y for automatic installation until installation is complete
/etc/init.d/mysqld Start #启动MySQL
Chkconfig mysqld on #设为开机启动
CP/USR/SHARE/MYSQL/MY-MEDIUM.CNF/ETC/MY.CNF #拷贝配置文件 (Note: If the/etc directory has a my.cnf under the default, you can directly overwrite it)

2. Set the password for the root account
Mysql_secure_installation
Enter, follow the prompts for Y
Enter Password 2 times, enter
Enter Y as prompted
Last appearance: Thanks for using mysql!
MySQL password setup is complete, restart MySQL:
/etc/init.d/mysqld Restart #重启
/etc/init.d/mysqld Stop #停止
/etc/init.d/mysqld Start #启动

Third, installation PHP5

1, installation PHP5
Yum Install PHP
Enter Y as prompted until the installation is complete

2, install PHP components, so that PHP5 support MySQL
Yum install php-mysql php-gd libjpeg* php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-mcrypt php-b Cmath Php-mhash Libmcrypt
Select the above installation package here for installation
Enter Y return as prompted
/etc/init.d/mysqld Restart #重启MySql
/ETC/INIT.D/HTTPD Restart #重启Apche

Configuration:

One, Apache configuration
vi/etc/httpd/conf/httpd.conf #编辑文件
Servertokens OS in 44 rows modified to: Servertokens Prod (The name of the server operating system is not displayed when the error page appears)
Serversignature on line 536 is modified to: Serversignature Off (the version of Apache is not shown in the error page)
Options Indexes FollowSymLinks in line 331 is modified to: Options includes execcgi followsymlinks (allows the server to execute CGI and SSI, disallow listing of directories)
#AddHandler cgi-script. The CGI in line 796 is modified to: AddHandler cgi-script. cgi. PL (allows CGI scripts with extension. pl to run)
AllowOverride None in 338 rows modified to: allowoverride all (Allow. HT Access)
Adddefaultcharset UTF-8 in 759 rows modified to: Adddefaultcharset GB2312 (add GB2312 as default encoding)
Options Indexes multiviews FollowSymLinks in 554 rows to Options multiviews followsymlinks (does not display the tree directory structure on the browser)
DirectoryIndex index.html Index.html.var in line 402 modified to: DirectoryIndex index.html index.htm default.html default.htm

index.php default.php Index.html.var (set default home file, add index.php)
KeepAlive Off on line 76 modified to: KeepAlive on (Allow program online)
Maxkeepaliverequests 100 in 83 rows modified to: Maxkeepaliverequests 1000 (increase number of simultaneous connections)
: wq! #保存退出
/etc/init.d/httpd Restart #重启
Rm-f/etc/httpd/conf.d/welcome.conf/var/www/error/noindex.html #删除默认测试页

Two, PHP configuration
Vi/etc/php.ini #编辑
Date.timezone = PRC #在946行 Remove the preceding semicolon and change it to Date.timezone = PRC
Disable_functions = Passthru,exec,system,chroot,scandir,chgrp,chown,shell_exec,proc_open,proc_get_status,ini_alter,ini_alter,ini_ Restore,dl,openlog,syslog,readlink,symlink,popepassthru,stream_socket_server,escapeshellcmd,dll,popen,disk_ Free_space,checkdnsrr,checkdnsrr,getservbyname,getservbyport,disk_total_space,posix_ctermid,posix_get_last_ ERROR,POSIX_GETCWD, Posix_getegid,posix_geteuid,posix_getgid, Posix_getgrgid,posix_getgrnam,posix_getgroups, Posix_getlogin,posix_getpgid,posix_getpgrp,posix_getpid, Posix_getppid,posix_getpwnam,posix_getpwuid, Posix_ Getrlimit, Posix_getsid,posix_getuid,posix_isatty, Posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_ Setgid, Posix_setpgid,posix_setsid,posix_setuid,posix_strerror,posix_times,posix_ttyname,posix_uname

#在386行 lists the functions that PHP can disable, and if some programs need to use this function, you can delete and cancel the disabled.
expose_php = Off #在432行 Suppress the PHP version information
MAGIC_QUOTES_GPC = on #在745行 open MAGIC_QUOTES_GPC to prevent SQL injection
Short_open_tag = on #在229行支持php短标签
Open_basedir =.:/ tmp/#在380行 settings to allow access to the current directory (that is, the php script file directory) and/tmp/directory, you can prevent the PHP Trojan cross-site, if you change the installation program after the problem (for example: Dream Content Management System), you can log off this line, or directly write the program directory/data/ www.osyunwei.com/:/tmp/
: wq! #保存退出
/etc/init.d/mysqld Restart #重启MySql
/ETC/INIT.D/HTTPD Restart #重启Apche

Test:
Cd/var/www/html
VI index.php #输入下面内容
<?php
Phpinfo ();
?>
: wq! #保存退出
In the client browser enter the server IP address, you can see the configuration information as shown in the relevant!

Other:

Follow-up installation of Pdo_mysql expansion module, only need: Yum install Php-mysql

Manual Installation Error (Configure:error:mysql_query missing!?) ）

CentOS Linux System builds lamp environment