How to verify if nginx is running or not?

After running an ASP.NET vNext project on my local machine I was trying to figure out how I can run it on nginx as it looks to be a recommended choice

Following jsinh's blog, I installed it using:

sudo apt-get update sudo apt-get install nginx -y 

I was trying to understand whether it is working or not by using:

ifconfig eth0 | grep inet | awk '{ print $2}' 

After running

sudo service nginx start sudo service nginx stop 

However, the output is always the same:

How to verify if nginx is running or not?

11 Answers

Looking at the requirement you have, the below command shall help:

service nginx status 

This is probably system-dependent, but this is the simplest way I've found.

if [ -e /var/run/nginx.pid ]; then echo "nginx is running"; fi 

That's the best solution for scripting.

You could use lsof to see what application is listening on port 80:

sudo lsof -i TCP:80 

If you are on mac machine and had installed nginx using

brew install nginx 

then

brew services list 

is the command for you. This will return a list of services installed via brew and their corresponding status.

The modern (systemctl) way of doing it:

systemctl is-active nginx 

You can use the exit value in your shell scripts as follows:

systemctl -q is-active nginx && echo "It is active, do something" 

service nginx status will work on a non-systemd based version.

On systemd based versions such as Ubuntu Linux 16.04 LTS and above, make use of the command below;

systemctl status nginx 

For Mac users

I found out one more way: You can check if /usr/local/var/run/nginx.pid exists. If it is - nginx is running. Useful way for scripting.

Example:

if [ -f /usr/local/var/run/nginx.pid ]; then echo "Nginx is running" fi 

None of the above answers worked for me so let me share my experience. I am running nginx in a docker container that has a port mapping (hostPort:containerPort) - 80:80 The above answers are giving me strange console output. Only the good old 'nmap' is working flawlessly even catching the nginx version. The command working for me is:

 nmap -sV localhost -p 80 

We are doing nmap using the -ServiceVersion switch on the localhost and port: 80. It works great for me.

The other way to see it in windows command line :

tasklist /fi "imagename eq nginx.exe" 

INFO: No tasks are running which match the specified criteria.

if there is a running nginx you will see them

Can also use the following code to check the nginx status:

 sudo /etc/init.d/nginx status 

Not sure which guide you are following, but if you check out this page,

It uses another command

ip addr show eth0 | grep inet | awk '{ print $2; }' | sed 's/\/.*$//' 

and also indicates what result is expected.