nginx的基本使用与其日志

1.nginx编译安装脚本

#编译安装脚本
#!/bin/bash
nginx_version=1.20.2
nginx_file=nginx-${nginx_version}.tar.gz
cpu=`lscpu | grep "^CPU(s):" | tr -d ' '|awk -F':' '{ print $2 }'`
install_dir=/data/web
user=nginx
group=nginx
url=https://nginx.org/download
. /etc/os-release
if [[ $ID =~ rhel|rocky|centos ]];then
        systemctl disable --now firewalld
        yum install gcc make gcc-c++ wget pcre-devel openssl-devel zlib-devel -y
elif [[ $ID =~ 'ubuntu' ]];then
        apt update
        apt install gcc make gcc-c++ wget pcre-devel openssl-devel zlib-devel -y 
else      
        echo "不支持此系统，退出！"
        exit
fi       
if [ ! -f ${nginx_file} ];then
        wget ${url}/${nginx_file} #下载nginx
fi
useradd -s /sbin/nologin ${user}
mkdir -p ${install_dir}
chown ${user}.${group} -R ${install_dir}
tar zxf ${nginx_file} -C /usr/local/src	#解压缩下载的nginx
cd /usr/local/src/nginx-${nginx_version} #进入下载的nginx目录
./configure --prefix=${install_dir} --without-http_rewrite_module --without-http_gzip_module --user=${user} --group=${group} --pid-path=${install_dir}/run/nginx.pid  --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_stub_status_module --with-pcre --with-stream --with-stream_ssl_module --with-stream_realip_module	#检查当前的环境是否满足要安装软件的依赖关系
make -j ${cpu}&& make install  #编译&&安装
echo "PATH=${install_dir}/sbin:${
    PATH}" > /etc/profile.d/nginx.sh
ln -s ${install_dir}/sbin/nginx /usr/sbin
echo "`hostname -I | cut -d ' ' -f1`" > ${install_dir}/html/index.html #创建web站点到初始页面
cat > /usr/lib/systemd/system/nginx.service <<EOF
[Unit]
Description=The nginx HTTP and reverse proxy server
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target

[Service]
Type=forking
PIDFile=${install_dir}/run/nginx.pid
ExecStartPre=/usr/bin/rm -f ${install_dir}/run/nginx.pid
ExecStartPre=/usr/sbin/nginx -t
ExecStart=/usr/sbin/nginx
ExecReload=/usr/sbin/nginx -s reload
KillSignal=SIGQUIT
TimeoutStopSec=5
KillMode=mixed
PrivateTmp=true

[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable --now nginx &> /dev/null
echo "安装成功!,并启动服务"
echo "请访问:http://`hostname -I | cut