系统的版本信息：
[root@centos8 ~]# cat /etc/redhat-release
CentOS Linux release 8.2.2004 (Core)
[root@centos8 ~]#
[root@centos8 ~]# uname -r
4.18.0-193.el8.x86_64
这里安装的是LNMP(Nginx/MySQL/PHP) ，服务器IP为 192.168.168.154/24
[root@centos8 ~]# tar -zxvf lnmp1.7-full.tar.gz
[root@centos8 ~]# cd lnmp1.7-full
[root@centos8 ~]# CheckMirror=n ./install.sh lnmp
注释：CheckMirror=n 使用本地光盘作为Yum源，不需要连公网。
选择数据库版本：
设置数据库用户root@localhost的密码：（以下是把密码设置为 888 ）
启用InnoDB Storage Engine，输入 Y 再按回车键：
选择PHP版本：
选择是否安装内存优化：
安装或取消安装：
下面是全自动安装的^_^ ^_^
安装成功了：（安装好后，最好重启一下服务器）
LNMP架构的安装日志：
[root@centos8 ~]# pwd
/root
[root@centos8 ~]# ls
anaconda-ks.cfg lnmp1.7-full lnmp1.7-full.tar.gz lnmp-install.log
[root@centos8 ~]# tail lnmp-install.log
nginx (pid 261561) is running...
php-fpm is runing!
SUCCESS! MySQL running (262161)
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 0.0.0.0:80 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 128 *:3306 *:*
LISTEN 0 128 [::]:22 [::]:*
Install lnmp takes 48 minutes.
Install lnmp V1.7 completed! enjoy it.
自动关闭SELinux的：
[root@centos8 ~]# cat /etc/sysconfig/selinux
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these three values:
# targeted - Targeted processes are protected,
# minimum - Modification of targeted policy. Only selected processes are protected.
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
默认启用防火墙netfilter，禁用防火墙firewalld：
[root@centos8 ~]# systemctl is-enabled iptables
enabled
[root@centos8 ~]# systemctl is-enabled firewalld
disabled
自动修改、保存防火墙规则的：
[root@centos8 ~]# cat /etc/sysconfig/iptables
# Generated by iptables-save v1.8.4 on Mon Jun 28 16:44:10 2021
*filter
:INPUT ACCEPT [906122:950797898]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [221817:15115643]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 3306 -j DROP
-A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
COMMIT
# Completed on Mon Jun 28 16:44:10 2021
# Generated by iptables-save v1.8.4 on Mon Jun 28 16:44:10 2021
*security
:INPUT ACCEPT [905898:950775646]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [221817:15115643]
COMMIT
# Completed on Mon Jun 28 16:44:10 2021
# Generated by iptables-save v1.8.4 on Mon Jun 28 16:44:10 2021
*raw
:PREROUTING ACCEPT [906129:950798178]
:OUTPUT ACCEPT [221817:15115643]
COMMIT
# Completed on Mon Jun 28 16:44:10 2021
# Generated by iptables-save v1.8.4 on Mon Jun 28 16:44:10 2021
*mangle
:PREROUTING ACCEPT [906129:950798178]
:INPUT ACCEPT [906129:950798178]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [221817:15115643]
:POSTROUTING ACCEPT [221817:15115643]
COMMIT
# Completed on Mon Jun 28 16:44:10 2021
# Generated by iptables-save v1.8.4 on Mon Jun 28 16:44:10 2021
*nat
:PREROUTING ACCEPT [233:22660]
:INPUT ACCEPT [2:128]
:POSTROUTING ACCEPT [184:13469]
:OUTPUT ACCEPT [184:13469]
COMMIT
# Completed on Mon Jun 28 16:44:10 2021
操作系统的“进程最大可打开文件数”的查询方法：
[root@centos8 ~]# ulimit -n
65535
操作系统的“进程最大可打开文件数”的修改方法：（已自动修改）
[root@centos8 ~]# tail -5 /etc/security/limits.conf
# End of file
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
MySQL的主配置文件：
[root@centos8 ~]# find / -name "my.cnf"
/etc/my.cnf
[root@centos8 ~]# cat /etc/my.cnf |grep -v "^$"
[client]
#password = your_password
port = 3306
socket = /tmp/mysql.sock
[mysqld]
port = 3306
socket = /tmp/mysql.sock
datadir = /usr/local/mysql/var
skip-external-locking
key_buffer_size = 32M
max_allowed_packet = 1M
table_open_cache = 128
sort_buffer_size = 768K
net_buffer_length = 8K
read_buffer_size = 768K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
thread_cache_size = 16
query_cache_size = 16M
tmp_table_size = 32M
performance_schema_max_table_instances = 1000
explicit_defaults_for_timestamp = true
#skip-networking
max_connections = 500
max_connect_errors = 100
open_files_limit = 65535
log-bin=mysql-bin
binlog_format=mixed
server-id = 1
expire_logs_days = 10
#loose-innodb-trx=0
#loose-innodb-locks=0
#loose-innodb-lock-waits=0
#loose-innodb-cmp=0
#loose-innodb-cmp-per-index=0
#loose-innodb-cmp-per-index-reset=0
#loose-innodb-cmp-reset=0
#loose-innodb-cmpmem=0
#loose-innodb-cmpmem-reset=0
#loose-innodb-buffer-page=0
#loose-innodb-buffer-page-lru=0
#loose-innodb-buffer-pool-stats=0
#loose-innodb-metrics=0
#loose-innodb-ft-default-stopword=0
#loose-innodb-ft-inserted=0
#loose-innodb-ft-deleted=0
#loose-innodb-ft-being-deleted=0
#loose-innodb-ft-config=0
#loose-innodb-ft-index-cache=0
#loose-innodb-ft-index-table=0
#loose-innodb-sys-tables=0
#loose-innodb-sys-tablestats=0
#loose-innodb-sys-indexes=0
#loose-innodb-sys-columns=0
#loose-innodb-sys-fields=0
#loose-innodb-sys-foreign=0
#loose-innodb-sys-foreign-cols=0
default_storage_engine = InnoDB
innodb_file_per_table = 1
innodb_data_home_dir = /usr/local/mysql/var
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /usr/local/mysql/var
innodb_buffer_pool_size = 128M
innodb_log_file_size = 32M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[myisamchk]
key_buffer_size = 32M
sort_buffer_size = 768K
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
重启MySQL：
[root@centos8 ~]# systemctl restart mysql
登录MySQL：
mysql -u"root" -p"888" -h"localhost"
PHP的主配置文件：
[root@centos8 ~]# find / -name "php.ini"
/usr/local/php/etc/php.ini
查看PHP的版本信息：
[root@centos8 ~]# php -v
PHP 7.0.33 (cli) (built: Jun 28 2021 16:39:08) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies
客户端直接访问服务器IP（ http://192.168.168.154 ）可以看到这个页面：
PHP测试页：
http://192.168.168.154/phpinfo.php
注释：PHP测试页也可以看到PHP的主配置文件在哪里：
/usr/local/php/etc/php.ini
phpMyAdmin：（phpMyAdmin的默认版本是4.9.7，与PHP7.0匹配）
客户端远程访问phpMyAdmin：
http://192.168.168.154/phpmyadmin/
注释：数据库的默认字符集是 utf8mb4_general_ci
查看Nginx的版本：
[root@centos8 ~]# nginx -v
nginx version: nginx/1.18.0
Nginx的主配置文件：
[root@centos8 ~]# find / -name "nginx.conf"
/root/lnmp1.7-full/conf/nginx.conf
/usr/local/nginx/conf/nginx.conf
[root@centos8 ~]# head -19 /usr/local/nginx/conf/nginx.conf
user www www;
worker_processes auto;
worker_cpu_affinity auto;
error_log /home/wwwlogs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 51200;
events
{
use epoll;
worker_connections 51200;
multi_accept off;
accept_mutex off;
}
[root@centos8 ~]# tail -4 /usr/local/nginx/conf/nginx.conf
}
include vhost/*.conf;
}
注释：Nginx会加载/usr/local/nginx/conf/vhost/下后缀为.conf的配置文件（即虚拟主机的Nginx配置文件）
重启LNMP：（ 会重启Nginx、MySQL、php-fpm ）
Nginx、MySQL、php-fpm会随着系统的启动而启动：
[root@centos8 ~]# systemctl is-enabled nginx
enabled
[root@centos8 ~]# systemctl is-enabled mysql
enabled
[root@centos8 ~]# systemctl is-enabled php-fpm
enabled
######
添加基于域名的虚拟主机（站点）：（ 用于 Discuz!X2.5 ）
lnmp vhost add
伪静态：
启用PHP Pathinfo：
启用此站点的日志功能：
这里不给站点创建数据库了：
这里不添加SSL证书了：
站点 www.zhuohua.store 的配置信息：
站点 www.zhuohua.store 的Nginx配置文件：
[root@centos8 ~]# cat /usr/local/nginx/conf/vhost/www.zhuohua.store.conf |grep -v ^$
server
{
listen 80;
#listen [::]:80;
server_name www.zhuohua.store ww.zhuohua.store;
index index.html index.htm index.php default.html default.htm default.php;
root /home/wwwroot/www.zhuohua.store;
include rewrite/other.conf; #此站点使用的伪静态规则文件
#error_page 404 /404.html;
# Deny access to PHP files in specific directory
#location ~ /(wp-content|uploads|wp-includes|images)/.*\.php$ { deny all; }
include enable-php-pathinfo.conf;
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
{
expires 30d;
}
location ~ .*\.(js|css)?$
{
expires 12h;
}
location ~ /.well-known {
allow all;
}
location ~ /\.
{
deny all;
}
access_log /home/wwwlogs/www.zhuohua.store.log;
}
笺注：不同站点可以使用不同的伪静态规则文件。
Nginx的伪静态规则文件的默认存放目录：（自带了一些伪静态规则文件）
[root@centos8 ~]# cd /usr/local/nginx/conf/rewrite/
[root@centos8 rewrite]# ls
codeigniter.conf discuz.conf drupal.conf laravel.conf phpwind.conf thinkphp.conf wordpress.conf
dabr.conf discuzx2.conf ecshop.conf none.conf sablog.conf typecho2.conf wp2.conf
dedecms.conf discuzx.conf joomla.conf other.conf shopex.conf typecho.conf yii2.conf
Discuz!其实不用伪静态也无妨：（文件other.conf本来就是空的）
[root@centos8 rewrite]# cat other.conf
[root@centos8 rewrite]#
[root@centos8 rewrite]# cat discuzx.conf
rewrite ^([^\.]*)/topic-(.+)\.html$ $1/portal.php?mod=topic&topic=$2 last;
rewrite ^([^\.]*)/article-([0-9]+)-([0-9]+)\.html$ $1/portal.php?mod=view&aid=$2&page=$3 last;
rewrite ^([^\.]*)/forum-(\w+)-([0-9]+)\.html$ $1/forum.php?mod=forumdisplay&fid=$2&page=$3 last;
rewrite ^([^\.]*)/thread-([0-9]+)-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=viewthread&tid=$2&extra=page%3D$4&page=$3 last;
rewrite ^([^\.]*)/group-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=group&fid=$2&page=$3 last;
rewrite ^([^\.]*)/space-(username|uid)-(.+)\.html$ $1/home.php?mod=space&$2=$3 last;
rewrite ^([^\.]*)/blog-([0-9]+)-([0-9]+)\.html$ $1/home.php?mod=space&uid=$2&do=blog&id=$3 last;
rewrite ^([^\.]*)/(fid|tid)-([0-9]+)\.html$ $1/index.php?action=$2&value=$3 last;
rewrite ^([^\.]*)/([a-z]+[a-z0-9_]*)-([a-z0-9_\-]+)\.html$ $1/plugin.php?id=$2:$3 last;
if (!-e $request_filename) {
return 404;
}
######
安装Discuz!X2.5
服务器本地的操作：
unzip Discuz_X2.5_PHP7.0_SC_UTF8.zip -d discuz
mv -f discuz/upload/* /home/wwwroot/www.zhuohua.store
rm -rf discuz
chown -R www.www /home/wwwroot/www.zhuohua.store
注释：截图有省略。
笺注：站点目录下的文件和文件夹的属主和属组都要设置为 www
环境支持htm、html、php这三种网页 ^_^ ^_^ ^_^
###
Windows客户端通过浏览器继续安装Discuz!X2.5
在没有DNS服务器解析域名的情况下，可以在文件hosts里绑定：
记得设置文件hosts的权限：
http://www.zhuohua.store/install/
备注：没有错误才能点击“下一步”按键。
备注：
这里自动创建的库ultrax的字符集为 utf8_general_ci
这里使用的数据库用户为 root@localhost
Discuz!X2.5 安装成功：
访问Discuz!X2.5：
http://www.zhuohua.store/
Discuz!X2.5的全局配置文件：
[root@centos8 ~]# cd /home/wwwroot/www.zhuohua.store/config/
[root@centos8 config]# ll
总用量 32
-rw-r--r-- 1 www www 8731 10月 1 2017 config_global_default.php
-rw-r--r-- 1 www www 4526 6月 30 10:23 config_global.php
-rw-r--r-- 1 www www 1663 10月 1 2017 config_ucenter_default.php
-rw-r--r-- 1 www www 532 6月 30 10:23 config_ucenter.php
-rw-r--r-- 1 www www 1 10月 1 2017 index.htm
Discuz!X2.5的数据库配置信息：
[root@centos8 config]# vi config_global.php
######
先检测Nginx是否支持SSL：
[root@centos8 ~]# nginx -V
nginx version: nginx/1.18.0
built by gcc 8.3.1 20191121 (Red Hat 8.3.1-5) (GCC)
built with OpenSSL 1.1.1g 21 Apr 2020
TLS SNI support enabled
configure arguments: --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-http_sub_module --with-stream --with-stream_ssl_module --with-openssl=/root/lnmp1.7-full/src/openssl-1.1.1g --with-openssl-opt='enable-weak-ssl-ciphers'
SSL证书文件的创建可参考：Nginx基于域名的虚拟主机/域名重定向/访问控制/防盗链/SSL
上传SSL证书文件：
[root@centos8 ~]# ll /usr/local/nginx/conf/zhuohua.*
-rw-r--r-- 1 root root 798 6月 25 2020 /usr/local/nginx/conf/zhuohua.crt
-rw-r--r-- 1 root root 887 6月 25 2020 /usr/local/nginx/conf/zhuohua.key
添加基于域名的虚拟主机（站点）：（ 用于 HTTPS站点 ）
lnmp vhost add
给此站点添加SSL证书：
站点 ssl.zhuohua.store 的配置信息：
站点 ssl.zhuohua.store 的Nginx配置文件：
[root@centos8 ~]# cat /usr/local/nginx/conf/vhost/ssl.zhuohua.store.conf |grep -v ^$
server
{
listen 80;
#listen [::]:80;
server_name ssl.zhuohua.store ;
index index.html index.htm index.php default.html default.htm default.php;
root /home/wwwroot/ssl.zhuohua.store;
include rewrite/other.conf;
#error_page 404 /404.html;
# Deny access to PHP files in specific directory
#location ~ /(wp-content|uploads|wp-includes|images)/.*\.php$ { deny all; }
include enable-php-pathinfo.conf;
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
{
expires 30d;
}
location ~ .*\.(js|css)?$
{
expires 12h;
}
location ~ /.well-known {
allow all;
}
location ~ /\.
{
deny all;
}
access_log off;
}
server
{
listen 443 ssl http2;
#listen [::]:443 ssl http2;
server_name ssl.zhuohua.store ;
index index.html index.htm index.php default.html default.htm default.php;
root /home/wwwroot/ssl.zhuohua.store;
ssl_certificate /usr/local/nginx/conf/zhuohua.crt;
ssl_certificate_key /usr/local/nginx/conf/zhuohua.key;
ssl_session_timeout 5m;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers on;
ssl_ciphers "TLS13-AES-256-GCM-SHA384:TLS13-CHACHA20-POLY1305-SHA256:TLS13-AES-128-GCM-SHA256:TLS13-AES-128-CCM-8-SHA256:TLS13-AES-128-CCM-SHA256:EECDH+CHACHA20:EECDH+CHACHA20-draft:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5";
ssl_session_cache builtin:1000 shared:SSL:10m;
# openssl dhparam -out /usr/local/nginx/conf/ssl/dhparam.pem 2048
ssl_dhparam /usr/local/nginx/conf/ssl/dhparam.pem;
include rewrite/other.conf;
#error_page 404 /404.html;
# Deny access to PHP files in specific directory
#location ~ /(wp-content|uploads|wp-includes|images)/.*\.php$ { deny all; }
include enable-php-pathinfo.conf;
location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
{
expires 30d;
}
location ~ .*\.(js|css)?$
{
expires 12h;
}
location ~ /.well-known {
allow all;
}
location ~ /\.
{
deny all;
}
access_log off;
}
在站点 ssl.zhuohua.store 的根目录里创建一个PHP测试文件：
[root@centos8 ssl.zhuohua.store]# pwd
/home/wwwroot/ssl.zhuohua.store
[root@centos8 ssl.zhuohua.store]# cat index.php
<?php
phpinfo();
?>
在没有DNS服务器解析域名的情况下，客户端可以在文件hosts里绑定：
客户端使用Firefox浏览器远程测试：
https://ssl.zhuohua.store/
备注:有警告是因为此证书是自己制作的，并没有得到浏览器的认可，但不影响访问和加密。
继续访问即可：
继续添加HTM、HTML网页文件测试：
[root@centos8 ssl.zhuohua.store]# pwd
/home/wwwroot/ssl.zhuohua.store
[root@centos8 ssl.zhuohua.store]# echo 'This is HTM' > test.htm
[root@centos8 ssl.zhuohua.store]#
[root@centos8 ssl.zhuohua.store]# echo 'This is HTML' > test.html
客户端使用Firefox浏览器远程测试：
https://ssl.zhuohua.store/test.htm
客户端使用Firefox浏览器远程测试：
https://ssl.zhuohua.store/test.html
############
Jemalloc是内存分配器，可以提升MySQL/MariaDB的性能。
查看MySQL的版本：
[root@centos8 ~]# mysql -V
mysql Ver 14.14 Distrib 5.6.48, for Linux (x86_64) using EditLine wrapper
安装Jemalloc：
[root@centos8 ~]# tar -jxf jemalloc-5.2.1.tar.bz2
[root@centos8 ~]# cd jemalloc-5.2.1
[root@centos8 jemalloc-5.2.1]# ./configure
[root@centos8 jemalloc-5.2.1]# make && make install
[root@centos8 jemalloc-5.2.1]# ldconfig
[root@centos8 jemalloc-5.2.1]# ln -sf /usr/local/lib/libjemalloc* /usr/lib/
编辑MySQL的主配置文件：
[root@centos8 ~]# vi /etc/my.cnf
追加：
[mysqld_safe]
malloc-lib=/usr/lib/libjemalloc.so
保存文件退出后，重启MySQL：
[root@centos8 ~]# systemctl restart mysql
验证MySQL是否使用了Jemalloc：
[root@centos8 ~]# lsof -n |grep jemalloc
mysqld 1682 mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1734 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1735 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1736 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1737 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1738 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1739 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1740 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1741 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1742 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1743 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1769 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1770 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1774 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1775 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1776 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1784 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1785 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1786 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1787 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
mysqld 1682 1790 mysqld mysql mem REG 253,0 6123808 202061319 /usr/local/lib/libjemalloc.so.2
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