View the compilation parameters of Apache, Nginx, Mysql, Php under Linux

1. Check the Linux kernel version and system information. There are four commonly used methods:

# uname -a
# more /etc/issue
# cat /proc/version
# more /etc/redhat-release

2. nginx compilation parameters:

# /usr/local/nginx/sbin/nginx -V

3. apache view version compile parameter
apache version:

# httpd -v

Apache compilation parameters:

# cat /usr/local/apache2/build/config.nice

4. View the php version and compilation parameters

php编译参数：
# /usr/local/php/bin/php -i |grep configure
# php  -v

5. Check the mysql version and parameters
Check the mysql version:

# mysql -v 或者是 --help|grep Distrib来查看；

进入数据库
# mysql > select version（）； 或者   status;   或者/s;

mysql编译参数：
# cat "/usr/local/mysql/bin/mysqlbug"|grep configure