ubuntu 20.04上搭建LNMP环境的方法步骤

简单说明

由于之前是用centos7搭建的，后来使用ubuntu 20.04的系统做为个人开发环境，所以想在ubuntu上也搭建一下环境，和centos有一些小区别所以记录一下仅供学习。

安装前准备

下载软件：
php：7.3.18
nginx：1.18.0
mariadb：10.5.4

解压文件：

tar zxf php-7.3.18.tar.gz
tar zxf mariadb-10.5.4.tar.gz
tar zxf nginx-1.18.0.tar.gz

安装nginx

sudo groupadd -r nginx && sudo useradd -r -g nginx -s /sbin/nologin -d /usr/local/nginx nginx
sudo apt install -y libpcre3-dev zlib1g-dev
cd /home/allen/下载/nginx-1.18.0
./configure --user=nginx --group=nginx
make -j 4 && sudo make install
sudo /usr/local/nginx/sbin/nginx -t
#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
sudo mv /usr/local/nginx/conf/nginx.conf /usr/local/nginx/conf/nginx.conf.back
sudo vim /usr/local/nginx/conf/nginx.conf

user nginx;
worker_processes 4;
events {
  worker_connections 1024;
}
http {
  include    mime.types;
  default_type application/octet-stream;
  sendfile   on;
  keepalive_timeout 65;
  log_format main '$remote_addr || $remote_user || $time_local || $request || $status || $body_bytes_sent || $http_referer || $http_user_agent || $http_x_forwarded_for';
  include /data/www/*/*.conf;
} 

sudo chown -r nginx:nginx /usr/local/nginx

sudo vim /lib/systemd/system/nginx.service

[unit]
description=nginx
after=network.target

[service]
type=forking
execstart=/usr/local/nginx/sbin/nginx
execreload=/usr/local/nginx/sbin/nginx -s reload
execstop=/usr/local/nginx/sbin/nginx -s quit
privatetmp=true

[install]
wantedby=multi-user.target


sudo systemctl enable nginx

#created symlink /etc/systemd/system/multi-user.target.wants/nginx.service → /lib/systemd/system/nginx.service.

reboot

重启后看看有没有启动成功

安装mariadb

sudo rm -rf /etc/mysql
sudo apt remove -y mysql-common
sudo apt autoremove -y
sudo apt install -y cmake libncurses5-dev libgnutls28-dev
sudo groupadd -r mysql && sudo useradd -r -g mysql -s /sbin/nologin -d /usr/local/mariadb mysql
sudo mkdir -p /data/db /var/log/mariadb
cd /home/allen/下载/mariadb-10.5.4/
cmake . -dcmake_install_prefix=/usr/local/mariadb -dmysql_datadir=/data/db -dsysconfdir=/etc -dwithout_tokudb=1 -dmysql_unix_addr=/tmp/mysql.sock -ddefault_charset=utf8mb4 -ddefault_collation=utf8mb4_general_ci
make -j 4 && sudo make install
sudo /usr/local/mariadb/scripts/mysql_install_db --user=mysql --datadir=/data/db
sudo vim /etc/my.cnf

[mysqld]
datadir = /data/db
socket = /tmp/mysql.sock
# 建议禁用符号链接,防止各类安全风险
symbolic-links = 0
collation-server = utf8mb4_general_ci
init-connect = 'set names utf8mb4'
character-set-server = utf8mb4

[mysql]
default-character-set = utf8mb4

[client]
port = 3306
socket = /tmp/mysql.sock
default-character-set = utf8mb4

[mysqld_safe]
log-error = /var/log/mariadb/mariadb.log
pid-file = /var/run/mariadb/mariadb.pid

sudo cp /usr/local/mariadb/support-files/mysql.server /etc/init.d/mariadb

sudo vim /etc/profile.d/mariadb.sh
export path=$path:/usr/local/mariadb/bin/

sudo chmod 0777 /etc/profile.d/mariadb.sh
source /etc/profile.d/mariadb.sh

sudo /etc/init.d/mariadb start
#starting mariadb (via systemctl): mariadb.service.

sudo /usr/local/mariadb/bin/mysql_secure_installation 	 

#note: running all parts of this script is recommended for all mariadb
#   servers in production use! please read each step carefully!

#in order to log into mariadb to secure it, we'll need the current
#password for the root user. if you've just installed mariadb, and
#haven't set the root password yet, you should just press enter here.

#enter current password for root (enter for none): 
#ok, successfully used password, moving on...

#setting the root password or using the unix_socket ensures that nobody
#can log into the mariadb root user without the proper authorisation.

#you already have your root account protected, so you can safely answer 'n'.

#switch to unix_socket authentication [y/n] y
#enabled successfully!
#reloading privilege tables..
# ... success!


#you already have your root account protected, so you can safely answer 'n'.

#change the root password? [y/n] y
#new password: 
#re-enter new password: 
#password updated successfully!
#reloading privilege tables..
# ... success!


#by default, a mariadb installation has an anonymous user, allowing anyone
#to log into mariadb without having to have a user account created for
#them. this is intended only for testing, and to make the installation
#go a bit smoother. you should remove them before moving into a
#production environment.

#remove anonymous users? [y/n] y
# ... success!

#normally, root should only be allowed to connect from 'localhost'. this
#ensures that someone cannot guess at the root password from the network.

#disallow root login remotely? [y/n] n
# ... skipping.

#by default, mariadb comes with a database named 'test' that anyone can
#access. this is also intended only for testing, and should be removed
#before moving into a production environment.

#remove test database and access to it? [y/n] y
# - dropping test database...
# ... success!
# - removing privileges on test database...
# ... success!

#reloading the privilege tables will ensure that all changes made so far
#will take effect immediately.

#reload privilege tables now? [y/n] y
# ... success!

#cleaning up...

#all done! if you've completed all of the above steps, your mariadb
#installation should now be secure.

#thanks for using mariadb!

sudo systemctl enable mariadb 

sudo chown mysql:mysql -r /usr/local/mariadb /data/db /var/log/mariadb

reboot

重启后看看有没有启动成功

安装php

sudo apt install -y libxml2-dev libssl-dev libbz2-dev libcurl4-gnutls-dev libjpeg-dev libpng-dev pkg-config libxslt1-dev libzip-dev libfreetype6-dev libfontconfig1-dev autoconf
sudo groupadd -r php && sudo useradd -r -g php -s /sbin/nologin -d /usr/local/php php
sudo vim /etc/sudoers
php   all=(all:all) all
cd /home/allen/下载/php-7.3.18/


./configure --prefix=/usr/local/php \--exec-prefix=/usr/local/php --with-fpm-user=php --with-fpm-group=php --enable-zip --with-curl --with-gettext --with-iconv-dir --with-kerberos --with-libdir=lib64 --with-mysqli --with-openssl --with-pdo-mysql --with-pdo-sqlite --with-pear --with-xmlrpc --with-xsl --with-zlib --with-bz2 --with-mhash --enable-bcmath --enable-inline-optimization --enable-mbregex --enable-mbstring --enable-opcache --enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvsem --enable-sysvshm --enable-xml --enable-fpm --with-freetype-dir --with-gd --with-libxml-dir --with-pcre-regex --enable-libxml --enable-zip --with-png-dir --with-jpeg-dir

有一个错误：

configure: error: freetype-config not found.

解决办法：
据说：

这是由于在 ubuntu 19.04 中 apt-get 安装的 libfreetype6-dev 版本为 2.9.1-3
http://changelogs.ubuntu.com/changelogs/pool/main/f/freetype/freetype_2.9.1-3/changelog
在 changelog 中写到：

the `freetype-config' script is no longer installed by default
(closes: #871470, #886461). all packages depending on libfreetype6-dev
should use pkg-config to find the relevant cflags and libraries.
freetype-config 被替代成 pkg-config ，新版本使用 pkg-config 管理 cflags 和 库。

所以解决方法如下：
主要的思路就是用pkg-config代替freetype-config。安装pkg-config，我在上面已经安装了

cat ./configure | grep "freetype-config" -n
34847:   if test -f "$i/bin/freetype-config"; then
34849:    freetype2_config="$i/bin/freetype-config"
34855:   as_fn_error $? "freetype-config not found." "$lineno" 5
36568:   if test -f "$i/bin/freetype-config"; then
36570:    freetype2_config="$i/bin/freetype-config"
36576:   as_fn_error $? "freetype-config not found." "$lineno" 5

sed -i "s/freetype-config/pkg-config/g" ./configure

cat ./configure | grep "freetype2_config --cflags" -n
34858:  freetype2_cflags=`$freetype2_config --cflags`
36579:  freetype2_cflags=`$freetype2_config --cflags`

sed -i "s/freetype2_config --cflags/freetype2_config freetype2 --cflags/g" ./configure

cat ./configure | grep "freetype2_config --libs" -n 
34859:  freetype2_libs=`$freetype2_config --libs`
36580:  freetype2_libs=`$freetype2_config --libs`

sed -i "s/freetype2_config --libs/freetype2_config freetype2 --libs/g" ./configure

cat ./ext/gd/config.m4 | grep "freetype-config" -n
188:   if test -f "$i/bin/freetype-config"; then
190:    freetype2_config="$i/bin/freetype-config"
196:   ac_msg_error([freetype-config not found.])

sed -i "s/freetype-config/pkg-config/g" ./ext/gd/config.m4

重新编译安装就ok

thank you for using php.

make -j 4 && sudo make install

sudo cp php.ini-production /usr/local/php/lib/php.ini

sudo cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf

sudo cp /usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf

vim /usr/local/php/etc/php-fpm.d/www.conf
listen.mode = 0666
pm.max_children = 128
pm.start_servers = 20
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 10000
slowlog = log/$pool.log.slow
rlimit_files = 1024

sudo vim /etc/profile.d/php.sh
export path=$path:/usr/local/php/bin/

sudo chmod 0777 /etc/profile.d/php.sh && source /etc/profile.d/php.sh

sudo cp sapi/fpm/php-fpm.service /etc/systemd/system/php.service

安装xdebug

下载xdebug

cd /home/allen/下载
tar zxf xdebug-2.9.6.tgz
cd xdebug-2.9.6
phpize
./configure --with-php-config=/usr/local/php/bin/php-config
make -j 4 && sudo make install

安装apcu

下载apcu http://pecl.php.net/get/apcu-5.1.18.tgz

cd /home/allen/下载
tar zxf apcu-5.1.18.tgz
cd apcu-5.1.18
phpize
./configure --with-php-config=/usr/local/php/bin/php-config
make -j 4 && sudo make install

编辑php.ini

sudo 
vim /usr/local/php/lib/php.ini

date.timezone = asia/shanghai
expose_php = off
max_execution_time = 0
memory_limit = 4096m
display_errors = on
cgi.fix_pathinfo=0
extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/"
extension=pgsql
extension=apcu

zend_extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/xdebug.so
[xdebug]
xdebug.var_display_max_children=10240
xdebug.var_display_max_data=20480
xdebug.var_display_max_depth=50

启动

sudo systemctl enable php-fpm

sudo chown -r mysql:mysql /usr/local/mariadb
sudo chown -r nginx:nginx /usr/local/nginx
sudo chown -r php:php /usr/local/php
reboot 

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