CentOS7如何安装Nginx并配置自动启动
1、官网下载安装包
选择适合linux的版本,这里选择最新的版本,下载到本地后上传到服务器或者centos下直接wget命令下载。
切换到/usr/local目录,下载软件包
# cd /usr/local # wget http://nginx.org/download/nginx-1.11.5.tar.gz
2、安装nginx
先执行以下命令,安装nginx依赖库,如果缺少依赖库,可能会安装失败,具体可以参考文章后面的错误提示信息。
# yum install gcc-c++ # yum install pcre # yum install pcre-devel # yum install zlib # yum install zlib-devel # yum install openssl # yum install openssl-devel
解压安装包
# tar -zxvf nginx-1.11.5.tar.gz
nginx被解压到了/usr/local/nginx-1.11.5 目录下(不要把压缩包解压到/usr/local/nginx目录下,或者将解压后的目录重命名为nginx,因为nginx会默认安装到/usr/local/nginx目录下),切换到nginx-1.11.5/目录
# cd /usr/local/nginx-1.11.5/
执行# ./configure
# ./configure
该操作会检测当前系统环境,以确保能成功安装nginx,执行该操作后可能会出现以下几种提示:
checking for os
+ linux 3.10.0-123.el7.x86_64 x86_64
checking for c compiler ... not found
./configure: error: c compiler cc is not found
如果出现以上错误提示信息,执行yum install gcc-c++安装gcc,
./configure: error: the http rewrite module requires the pcre library.
you can either disable the module by using --without-http_rewrite_module
option, or install the pcre library into the system, or build the pcre library
statically from the source with nginx by using --with-pcre=<path> option.
如果出现上面提示,表示缺少pcre库
./configure: error: the http gzip module requires the zlib library.
you can either disable the module by using --without-http_gzip_module
option, or install the zlib library into the system, or build the zlib library
statically from the source with nginx by using --with-zlib=<path> option.
如果出现以上提示,表示缺少zlib库
如果没有出现./configure: error提示,表示当前环境可以安装nginx,执行make和make install编译nginx
# make # make install
没有出错的话,表示nginx已经成功安装完成,默认安装位置为/usr/local/nginx,之前的/usr/local/nginx-1.11.5/可以删除掉了。
如果出现cp: 'conf/koi-win' and '/usr/local/nginx/conf/koi-win' are the same file,可能是你把安装包解压到了/usr/local/nginx目录,解决办法是将该目录重命名为其他名称后再执行make,make install.
3、配置nginx开机启动
切换到/lib/systemd/system/目录,创建nginx.service文件vim nginx.service
# cd /lib/systemd/system/ # vim nginx.service
文件内容如下:
[unit] description=nginx after=network.target [service] type=forking execstart=/usr/local/nginx/sbin/nginx execreload=/usr/local/nginx/sbin/nginx reload execstop=/usr/local/nginx/sbin/nginx quit privatetmp=true [install] wantedby=multi-user.target
退出并保存文件,执行systemctl enable nginx.service使nginx开机启动
# systemctl enable nginx.service
systemctl start nginx.service 启动nginx
systemctl stop nginx.service 结束nginx
systemctl restart nginx.service 重启nginx
4、验证是否安装成功
输入http://服务器ip/ 如果能看到nginx的界面,就表示安装成功了
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