How To Find Out Nginx Version

You can pass the -v or -V option to display nginx web server version. The syntax is:
nginx -v
Sample outputs:

nginx version: nginx/1.2.3

Check Nginx version Command

The -V option shows nginx version, compiler version and configure parameters.
nginx -V
Sample outputs:

nginx version: nginx/1.2.3
built by gcc 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) 
TLS SNI support enabled
configure arguments: --without-http_autoindex_module --without-http_userid_module --without-http_auth_basic_module --without-http_fastcgi_module --without-http_empty_gif_module --with-poll_module --with-http_stub_status_module --with-http_ssl_module --with-ipv6 --with-http_geoip_module

Here is output from the Ubuntu Linux 16.04 LTS server:

What to do if I get nginx command not found error?

Check for nginx path using the [nixmd name=”which”]/whereis command, run:
whereis nginx
which nginx
Look for nginx binary on your Linux or Unix system using PATH:
echo "$PATH"
Use the ps command to grab path for nginx:
ps aux | grep nginx
Once found use full path:
/usr/sbin/nginx -v
sudo /usr/sbin/nginx -v
sudo /usr/local/sbin/nginx -v

Find nginx version using the apt-cache command

Are you using a Debian or Ubuntu Linux server? If so, to check the nginx version, you can use the following command too:
$ apt-cache policy nginx

How do I install Nginx?

See my previous tutorials:

• How To Install Nginx on SUSE Linux Enterprise server 12
• Nginx on OpenSUSE Linux server
• Install and Configure Nginx on Ubuntu Linux 18.04 LTS
• Alpine Linux install Nginx
• Debian 9 install Nginx
• CentOS/RHEL 7 install and set up Nginx
• FreeBSD Install Nginx

Conclusion

This page explains how to find out the version of nginx installed on your systems. The binary has following options:

You just learned how to check find nginx web server version using the command line option. For more information see the official nginx webpage here.