1、写出 MPM multi-processing module 工作模式原理以及区别
Prefork:默认工作模式,用单独的子进程来处理请求,子进程间互相独立,互不影响,大大的提高了稳定性,但每个进程都会占用内存,所以消耗系统资源过高。
Worker:使用线程来处理HTTP请求,所以效率非常高,而对系统的开销也相对较低,Worker MPM也是基于多进程的,但是每个进程会生成多个线程,由线程来处理请求,这样可以保证多线程可以获得进程的稳定性。
Event:最新的模式,现在的版本已经是稳定可用的模式。它和 worker模式很像,最大的区别在于它解决了keep-alive场景下,长期被占用的线程的资源浪费问题。
2、编译安装httpd 2.4
vim httpd.sh
#!/bin/bash
#
#********************************************************************
#Author: xuanlv
#Date: 2020-09-17
#FileName: httpd.sh
#URL: https://www.cnblogs.com/xuanlv-0413/
#Description: The test script
#Copyright (C): 2020 All rights reserved
#********************************************************************
#httpd source install
#下载httpd源码包
TARGET_DIR=/usr/local/src
INSTALL_DIR=/usr/local/httpd
DOWNLOAD_URL=https://mirror.bit.edu.cn/apache/httpd/httpd-2.4.46.tar.bz2
FILE_NAME=${DOWNLOAD_URL##*/}
UNCOMPRESS_DIR=${FILE_NAME%.tar*}
rpm -q wget || yum install -y wget
wget -O $TARGET_DIR/$FILE_NAME $DOWNLOAD_URL
#下载apr和apr-util源码包
APR_DOWNLOAD_URL=https://mirror.bit.edu.cn/apache/apr/apr-1.7.0.tar.bz2
APR_FILE_NAME=${APR_DOWNLOAD_URL##*/}
APR_UNCOMPRESS_DIR=${APR_FILE_NAME%.tar*}
wget -O $TARGET_DIR/$APR_FILE_NAME $APR_DOWNLOAD_URL
APR_UTIL_DOWNLOAD_URL=https://mirror.bit.edu.cn/apache/apr/apr-util-1.6.1.tar.bz2
APR_UTIL_FILE_NAME=${APR_UTIL_DOWNLOAD_URL##*/}
APR_UTIL_UNCOMPRESS_DIR=${APR_UTIL_FILE_NAME%.tar*}
wget -O $TARGET_DIR/$APR_UTIL_FILE_NAME $APR_UTIL_DOWNLOAD_URL
#安装依赖包
yum install -y gcc make pcre-devel openssl-devel redhat-rpm-config expat-devel
#添加apache用户
id apache &> /dev/null || useradd -r -u 80 -d /var/www -s /sbin/nologin apache
#解压源码包
tar xf $TARGET_DIR/$FILE_NAME -C $TARGET_DIR
tar xf $TARGET_DIR/$APR_FILE_NAME -C $TARGET_DIR
mv $TARGET_DIR/$APR_UNCOMPRESS_DIR $TARGET_DIR/$UNCOMPRESS_DIR/srclib/apr
tar xf $TARGET_DIR/$APR_UTIL_FILE_NAME -C $TARGET_DIR
mv $TARGET_DIR/$APR_UTIL_UNCOMPRESS_DIR $TARGET_DIR/$UNCOMPRESS-DIR/srclib/apr-util
#编译安装
cd $TARGET_DIR/$UNCOMPRESS_DIR
./configure --prefix=$INSTALL_DIR
--sysconfdir=/etc/httpd
--enable-so
--enable-ssl
--enable-cgi
--enable-rewrite
--enable-modules=most
--enable-mpms-shared=all
--with-zlib
--with-pcre
--with-included-apr
--with-mpm=event
make -j`lscpu | grep "^CPU(s)" | awk '{print $NF}'` && make install
#设置环境变量
echo 'PATH='$INSTALL_DIR'/bin:$PATH' > /etc/profile.d/httpd.sh
source /etc/profile.d/httpd.sh
#修改配置文件
sed -ri 's#(User )daemon#1apache#' /etc/httpd/httpd.conf
sed -ri 's#(Group )daemon#1apache#' /etc/httpd/httpd.conf
#启动httpd服务
cat > /lib/systemd/system/httpd.service << EOF
[Unit]
Description=The Apache HTTP Server
After=network.target remote-fs.target nss-lookup.target
Documentation=man:httpd(8)
Documentation=man:apachectl(8)
[Service]
Type=forking
ExecStart=/usr/local/httpd/bin/apachectl start
ExecReload=/usr/local/httpd/bin/apachectl graceful
ExecStop=/usr/local/httpd/bin/apachectl stop
KillSignal=SIGCONT
PrivateTmp=true
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable httpd.service
systemctl start httpd.service
#检查firewalld状态
firewall_status=`firewall-cmd --state`
if [ $firewall_status = running ];then
echo "防火墙已启用,开放端口"
firewall-cmd --permanent --add-service=http --add-service=https
firewall-cmd --reload
fi
执行 bash httpd.sh自动完成安装
3、编写一个一键部署 LAMP 架构之 wordpress 脚本
vim wordpress.sh
#!/bin/bash
#
#********************************************************************
#Author: xuanlv
#Date: 2020-09-17
#FileName: wordpress.sh
#URL: https://www.cnblogs.com/xuanlv-0413/
#Description: The test script
#Copyright (C): 2020 All rights reserved
#********************************************************************
#wordpress自动安装
rpm -q wget || yum install -y wget
# 安装httpd
install_httpd() {
#下载httpd源码包
target_dir=/usr/local/src
install_dir=/usr/local/httpd
download_url=https://mirror.bit.edu.cn/apache/httpd/httpd-2.4.46.tar.bz2
file_name=${download_url##*/}
uncompress_dir=${file_name%.tar*}
[ -f $target_dir/$file_name ] || wget -O $target_dir/$file_name $download_url
#下载apr和apr-util源码包
apr_download_url=https://mirror.bit.edu.cn/apache/apr/apr-1.7.0.tar.bz2
apr_file_name=${apr_download_url##*/}
apr_uncompress_dir=${apr_file_name%.tar*}
[ -f $target_dir/$apr_file_name ] || wget -O $target_dir/$apr_file_name $apr_download_url
apr_util_download_url=https://mirror.bit.edu.cn/apache/apr/apr-util-1.6.1.tar.bz2
apr_util_file_name=${apr_util_download_url##*/}
apr_util_uncompress_dir=${apr_util_file_name%.tar*}
[ -f $target_dir/$apr_util_file_name ] || wget -O $target_dir/$apr_util_file_name $apr_util_download_url
#安装依赖包
yum install -y gcc make pcre-devel openssl-devel redhat-rpm-config expat-devel lbzip2
#添加apache用户
id apache &> /dev/null || useradd -r -u 80 -d /var/www -s /sbin/nologin apache
#解压源码包
tar xf $target_dir/$file_name -C $target_dir
tar xf $target_dir/$apr_file_name -C $target_dir
mv $target_dir/$apr_uncompress_dir $target_dir/$uncompress_dir/srclib/apr
tar xf $target_dir/$apr_util_file_name -C $target_dir
mv $target_dir/$apr_util_uncompress_dir $target_dir/$uncompress_dir/srclib/apr-util
#编译安装
cd $target_dir/$uncompress_dir
./configure --prefix=$install_dir
--sysconfdir=/etc/httpd
--enable-so
--enable-ssl
--enable-cgi
--enable-rewrite
--enable-modules=most
--enable-mpms-shared=all
--with-zlib
--with-pcre
--with-included-apr
--with-mpm=event
make -j`lscpu | grep "^CPU(s)" | awk '{print $NF}'` && make install
#设置环境变量
echo 'PATH='$install_dir'/bin:$PATH' > /etc/profile.d/httpd.sh
source /etc/profile.d/httpd.sh
#修改配置文件
sed -ri 's#(User )daemon#1apache#' /etc/httpd/httpd.conf
sed -ri 's#(Group )daemon#1apache#' /etc/httpd/httpd.conf
#启动httpd服务
cat > /lib/systemd/system/httpd.service << EOF
[Unit]
Description=The Apache HTTP Server
After=network.target remote-fs.target nss-lookup.target
Documentation=man:httpd(8)
Documentation=man:apachectl(8)
[Service]
Type=forking
ExecStart=/usr/local/httpd/bin/apachectl start
ExecReload=/usr/local/httpd/bin/apachectl graceful
ExecStop=/usr/local/httpd/bin/apachectl stop
KillSignal=SIGCONT
PrivateTmp=true
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable httpd.service
systemctl start httpd.service
#检查firewalld状态
firewall_status=`firewall-cmd --state`
if [ $firewall_status = running ];then
echo "防火墙已启用,开放端口"
firewall-cmd --permanent --add-service=http --add-service=https
firewall-cmd --reload
fi
}
# 安装MySQL
install_mysql() {
target_dir=/usr/local
download_url=http://mirrors.163.com/mysql/Downloads/MySQL-5.7/mysql-5.7.31-linux-glibc2.12-x86_64.tar.gz
file_name=${download_url##*/}
uncompress_dir=${file_name%.tar*}
#安装依赖包
yum -y install libaio-devel numactl-libs
#创建mysql用户
id mysql &> /dev/null || useradd -r -s /sbin/nologin mysql
#下载解压安装包并创建数据目录
[ -f $target_dir/src/$file_name ] || wget -O $target_dir/src/$file_name $download_url
tar xf $target_dir/src/$file_name -C $target_dir
ln -s $target_dir/$uncompress_dir $target_dir/mysql
chown -R root.root $target_dir/$uncompress_dir
[ -d /data/mysql ] || mkdir -p /data/mysql
chown -R mysql.mysql /data/mysql
#设置环境变量
cat > /etc/profile.d/mysql.sh << EOF
export PATH=/usr/local/mysql/bin:$PATH
EOF
source /etc/profile.d/mysql.sh
#生成数据库配置文件
mv /etc/my.cnf /etc/my.cnf.bak
cat > /etc/my.cnf <<EOF
[mysqld]
port=3306
socket=/data/mysql/mysql.sock
datadir=/data/mysql
log-error=/data/mysql/mysql.log
character-set-server=utf8mb4
#skip_name_resolve
max_connections=1000
max_connect_errors=1000
[client]
port=3306
socket=/data/mysql/mysql.sock
default-character-set=utf8mb4
EOF
#mysql初始化
mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
#创建启动脚本并启动服务
cat > /etc/systemd/system/mysqld.service << EOF
[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
ExecStart=/usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf
LimitNOFILE = 5000
EOF
systemctl daemon-reload
systemctl enable mysqld.service
systemctl start mysqld.service
#检查防火墙状态
firewall_status=`firewall-cmd --state`
if [ $firewall_status = running ];then
echo "防火墙已启用,开放端口"
firewall-cmd --permanent --add-port=3306/tcp
firewall-cmd --reload
fi
#修改数据库root密码
mysql -uroot -h 127.0.0.1 -e 'update mysql.user set authentication_string=password("my123456") where user="root" and Host="localhost";'
mysql -uroot -h 127.0.0.1 -e 'flush privileges;'
sed -ri 's@#(skip_name_resolve)@1@' /etc/my.cnf
systemctl restart mysqld.service
}
#安装php
install_php() {
#下载源码包
target_dir=/usr/local
install_dir=/usr/local/php
download_url=http://mirrors.sohu.com/php/php-7.4.10.tar.bz2
file_name=${download_url##*/}
uncompress_dir=${file_name%.tar*}
[ -f $target_dir/src/$file_name ] || wget -O $target_dir/src/$file_name $download_url
#安装依赖包
yum -y install gcc libxml2-devel bzip2-devel libmcrypt-devel sqlite-devel oniguruma-devel
#解压源码包
tar xf $target_dir/src/$file_name -C $target_dir
#编译安装
cd $target_dir/$uncompress_dir
./configure --prefix=$install_dir
--enable-mysqlnd
--with-mysqli=mysqlnd
--with-pdo-mysql=mysqlnd
--with-openssl
--with-zlib
--with-config-file-path=/etc
--with-config-file-scan-dir=/etc/php.d
--enable-mbstring
--enable-xml
--enable-sockets
--enable-fpm
--enable-maintainer-zts
--disable-fileinfo
make -j`lscpu | grep "^CPU(s)" | awk '{print $NF}'` && make install
#设置环境变量
echo 'PATH='$install_dir'/bin:$PATH' > /etc/profile.d/php.sh
source /etc/profile.d/php.sh
#生成配置文件和启动文件
cp php.ini-production /etc/php.ini
cp $install_dir/etc/php-fpm.conf.default $install_dir/etc/php-fpm.conf
cp $install_dir/etc/php-fpm.d/www.conf.default $install_dir/etc/php-fpm.d/www.conf
#cp $target_dir/$uncompress_dir/sapi/fpm/php-fpm.service /lib/systemd/system/
cat > /lib/systemd/system/php-fpm.service << EOF
[Unit]
Description=The PHP FastCGI Process Manager
After=syslog.target network.target
[Service]
Type=simple
PIDFile=/var/run/php-fpm.pid
ExecStart=/usr/local/php/sbin/php-fpm --nodaemonize --fpm-config /usr/local/php/etc/php-fpm.conf
ExecReload=/bin/kill -USR2 $MAINPID
PrivateTmp=true
[Install]
WantedBy=multi-user.target
EOF
#修改配置文件
sed -ri 's#(user = )nobody#1apache#' $install_dir/etc/php-fpm.d/www.conf
sed -ri 's#(group = )nobody#1apache#' $install_dir/etc/php-fpm.d/www.conf
sed -ri 's#;(pm.status_path = )/status#1/php-fpm_status#' $install_dir/etc/php-fpm.d/www.conf
sed -ri 's#;(ping.path = /ping)#1#' $install_dir/etc/php-fpm.d/www.conf
mkdir /etc/php.d
cat > /etc/php.d/opcache.ini << EOF
[opacache]
zend_extensio=opcache.so
opcache.enable=1
EOF
systemctl daemon-reload
systemctl enable php-fpm.service
systemctl start php-fpm.service
#修改httpd配置,支持php-fpm
sed -ri 's@#(LoadModule proxy_fcgi_module modules/mod_proxy_fcgi.so)@1@' /etc/httpd/httpd.conf
sed -ri 's@#(LoadModule proxy_module modules/mod_proxy.so)@1@' /etc/httpd/httpd.conf
sed -ri 's@(DirectoryIndex )(index.html)@1index.php 2@' /etc/httpd/httpd.conf
sed -ri '$aAddType application/x-httpd-php .php ProxyRequests Off' /etc/httpd/httpd.conf
cat >> /etc/httpd/httpd.conf << EOF
<VirtualHost *:80>
ServerName localhost
DocumentRoot /data/wordpress
<Directory "/data/wordpress">
Require all granted
</Directory>
ProxyPassMatch ^/(.*.php)$ fcgi://127.0.0.1:9000/data/wordpress/$1
ProxyPassMatch ^/(php-fpm_status|ping)$ fcgi://127.0.0.1:9000/$1
CustomLog "logs/access_wordpress_log" common
</VirtualHost>
EOF
systemctl restart httpd.service
}
# 安装WordPress
install_wordpress() {
#下载wordpress安装包
target_dir=/usr/local/src
install_dir=/data
download_url=https://cn.wordpress.org/wordpress-5.4.2-zh_CN.zip
file_name=${download_url##*/}
uncompress_dir=${file_name%%-*}
[ -f $target_dir/$file_name ] || wget -O $target_dir/$file_name $download_url
#解压安装包
unzip $target_dir/$file_name -d $target_dir
mv $target_dir/$uncompress_dir $install_dir/
chown -R apache:apache $install_dir/$uncompress_dir
#创建数据库和用户
mysql -uroot -pmy123456 -e 'create database wordpress;'
mysql -uroot -pmy123456 -e 'grant all on wordpress.* to wpuser@"10.0.0.%" identified by "wp123456";'
}
install_httpd
install_mysql
install_php
install_wordpress
执行bash wordpress.sh自动完成安装